Wednesday, June 1, 2011

Break - Treatment of fractures

First aid consists of measures to limit pain and prevent further damage due to excessive mobility of the fragments. Limb immobilization and chest with a scarf at the normal pelvis with a bandage made of fracture mobility and relieve pain. Open fractures should be covered with clean material.Polifracturat For a long bone fracture is accompanied with great loss of blood to be replaced to prevent hypovolemic shock. I needed blood transfusions and plasma expanders. It is administered analgesics.
Treatment includes:Fracture reduction and re-fragment into anatomical positionFragments-restraint that keeps building until-Restore function.
Reduction and immobilization of fractures:It can be done by orthopedic or surgical means. Treatment should always be accompanied by functional recovery to ensure the restoration of the traumatized limb function.Reduction of fracture:Orthopedic treatment made by means of fracture reduction and immobilization nesingerinde. The reduction is necessary when there is a displacement of the fragments. The reduction is done under local anesthesia, regional or general to suppress pain and to achieve muscle relaxation. It may be under manual traction extemporaneous, progressive for a few minutes aiming at reduction after restoration of normal anatomic relationship with the heads or instrumental transcheletice extension. Extemporaneous, on the table or continue the immobilization of orthopedic outbreak and early callus formation.
Immobilization of fracture:Immobilization of a fracture is achieved through multiple small riser means. The device used is a circular plaster cast or splint. He must immobilize the overlying and underlying bone of the outbreak.Fiberglass resins and have replaced all the plaster. Immobilization can be achieved by pulling the lower limb Friendly transscheletica continue.
Surgery:It is indicated for orthopedic treatment failure or when it can not get the discount.Reducing bleeding transform a closed fracture in an open and emphasizes devascularizarea fragments.Immobilization or surgical fixation is done by screws, plates, wire, rod-osteosynthesis material. They are made of austenite steel, titanium and titanium alloys do not suffer corrosion.
External retainer:In open fractures with significant skin lesions using fixation materials are a threat and being able fragmantelor devascularizarea promote infection. In these cases consists of chips used externally threaded retainer or Kirschner pins in the bone fragments are fixed distance above and below the fracture fracture passing through the skin healthy. They are consolidated from the outside through bars or clubs.
The choice of fracture treatment, orthopedic surgery, as well as the type of surgery must take into account how the fracture, displacement and cominutie important, skin condition, patient's age.Functional recovery irrespective of the method orthopedic or surgical treatment must be started immediately after immobilization. It is achieved by contraction of muscles immobilized in a cast isometric and isotonic muscle that moves free segments. Mobilization of the patient in how it is beneficial.Progressively increase the recovery treatment as consolidation of the fracture, gradually increasing the load member. Add physiotherapy, swimming, hydrotherapy, occupational therapy.

Break

The fracture is the interruption or discontinuity of a bone as a result of trauma. While most fractures are the result of impact forces or stress, they can occur as a result of medical conditions that weaken bones as osteoporosis, some cancers or when osteogenezis imperfecta is called pathological fractures.
Fractures are produced due to the action of external force. To produce a fracture is important in size, duration and direction of the forces acting on bone and how bone is required. Age when most fractures occur between 20-40 years, because when people are exposed to trauma. The second period as the age incidence is the third due to osteoporosis reduce bone strength. Although children are often exposed to trauma are rarely broken bones due to their high elasticity.
The choice of fracture treatment, orthopedic surgery, as well as the type of surgery must take into account how the fracture, displacement and cominutie important, skin condition, patient's age. Functional recovery irrespective of the method orthopedic or surgical treatment must be started immediately after immobilization. Mobilization of the patient in how it is beneficial.Progressively increase the recovery treatment as consolidation of the fracture, gradually increasing the load member. Add physiotherapy, swimming, hydrotherapy, occupational therapy.
Good moves towards consolidation fractures treated by the union heads broken by a callus. Clinical pain and swelling disappear progressively reduced functional deficit and may feel a heavy feeling union between the two fracture fragments. Depending on the function of bone fracture can be resumed in 4-12 weeks.
Pathogenesis of bone fractureIn orthopedic medicine, fractures are classified into different types:
Simple fracture closed - those where the skin is intact, while open fractures involve wounds that communicate with the fracture or a bruise or bone fracture exposes the bacterial contamination. Open lesions carries a high risk of infection requiring urgent surgical treatment and antibiotic treatment, debridement (removal of devitalized tissue, foreign bodies and decontamination).
Multifragmentation or contaminated fractures involves bone breaking into several pieces. A simple closed fracture is easier to treat and has a better prognosis.
Fracture displacement or angulation often requires reducing the bone and surgical care. These lesions require a longer healing.Another type is the compression fracture. Usually occurs in the vertebrae by osteoporosis.Other types of fractures include:- Full fracture in the bone fragments are separated total- Incomplete fracture in the bone fragments partially maintain contact between them- Linear fracture that is parallel to the long axis of the bone- Transverse fracture is perpendicular to the long axis of the bone- Oblique fracture that is diagonal to the axis of long bone- Spiral fracture of a bone fragment is twisted- Compacted fracture the bone ends are one in the other handlers- Thick periosteum in children is due only the convex cortical fracture of the bone, two broken pieces remain in continuity, "green wood fracture."Bone healing:Natural fracture healing process begins when the injured bone and surrounding tissues singereaza form a hematoma. The blood coagulates to form a clot situated between the fracture fragments.In a few days blood vessels grow in the hematoma, bringing phagocytes in this area, which will progressively remove non-viable material. Affect blood vessels and fibroblasts in the vessel walls that will multiply and produce collagen fibers. This blood clot is replaced by a collagen matrix. Rough consistency allows collagen fragments do not move.
At this stage some fibroblasts begin to form calcium hydroxyapatite bone matrix to form insoluble crystals.Mineralization of collagen matrix hardens and turns into bone.Actually, bone is a mineralized matrix. Healing callus mineralized enough to be seen on X-ray of the sixth week. This has no primary bone mechanical properties of mature bone. The remodeling is replaced by mature lamellar bone. The entire process takes 18 months to adult in three months but 80% of the bone is healed.
Several factors may help or hinder bone healing. For example, any form of nicotine prevents bone healing and nutrition, especially adequate calcium intake will help. Reduce stress for bone also help. There are accusations against NSAIDs would slow healing.
Pathological anatomy and soft tissue injuries include fractures.Skin may break open continuity solutions. The muscles around the fracture may be suffering various injuries caused by the agent is vulnerable to the movement of bone fragments. Vasculo-nerve injuries may also be present in the fractures.
Causes and risk factors for fractureDepending on the fractured bone fracture can be:Fracture produced healthy printrun violent trauma on bone with a normal structure.Pathological fracture. Any pathological process that reduces bone density or bone substitutes (infectious, malignant, benign) weakens the strength of bone. At least one such trauma can fracture the bone.
Mechanism of action of fractures may be directly or indirectly:Fractures occur through direct mechanism of the agent directly from the shock of impact contodent over the place. The agent most often cause damage to soft tissue vulnerable and ultimately resulting in a fracture of the bone open. These include fractures of the accident and the firearm.Fractures are the most common indirect mechanism. Force applied to a limb cause a distortion of bone that fractures away from the site of application.After the mode of action they may be:-By bending fracture occurs when the maximum curvatureBy torsion--Compression, compression fracture or cominutivaPull-through violent muscle contraction that pulls the bone fragment with the insertion of that muscle-Mixed-combine the direct and indirect.

Fibrosarcoma - Treatment

Specific treatment for fibrosarcoma is determined by factorsurmatoarii:
patient-age, health status and medical history
-spread of the disease, tolerance to specific medications,procedures or therapies.

Surgical therapy:
Surgery for fibrosarcoma involves performing biopsies, surgicalexcision of tumor, bone and skin grafts, limb salvage, amputationand reconstruction. The type of procedure used depends on the location and size of the tumor.
Membului saving surgery:
Surgery to remove tumor and part of the bone that has developed.The bone will be replaced with a metal prosthesis or bone graft.Bone graft may be autologous, heterologous or increased in the laboratory.
Amputation:
It may be necessary if the tumor is very extensive.

Radiation and chemotherapy:
Radiation and chemotherapy can improve the appearance andlocal control of tumor extension. Chemotherapy is used in bonelesions. Radiotherapy is used in correlation with fibrosarcoamelesurgery for soft tissue, with or without chemotherapy.Fibrosarcoma Treatment involves a combination of local control oftumor extension and metastatic disease by avoiding surgicaltechniques can preserve bone and totally or partially affected limbor amputate.

Prognosis:
Local Recurrence of the tumor occurs in 60% of cases and pre-orpostoperative radiotherapy is recommended. Local Recurrence isreduced to 25% when postoperative irradiation is used.
Long-term prognosis and evolution of cancer depends on manyinterrelated factors. These include tumor size and location, orhistological grade and the presence of metastatic lung disease.These factors are important in assessing tumor-staging anddetermining the success of treatment, secondary prevention ofdisease extension.

Fibrosarcoma - Signs and symptoms

Fibrosarcoma may be diagnosed in patients of all ages but occurs most frequently in the fourth decade of life. Represents only 10% of musculoskeletal sarcomas and less than 5% of primary tumors of bone. It is more common in men than in women. It is located in the lower extremities, especially the tibia and femur.Fibrosarcoma of soft tissues usually affects a wider variety of patients from that of bone, with an average age of 35-45 years.Appears on facial soft tissues of the posterior thigh and knee. It is a large mass, painless deep fascia with bad edges defined. There is also a form of infantile fibrosarcoma. Unlike the adult has an excellent prognosis, even in front of metastasis at presentation, when treated with chemo therapy and resection.
Sarcomas involving the bones often present with pain and swelling after a long period of evolution. They can grow enough to threaten the structural integrity of bone and cause pathological fractures. In general, lesions involving more than 50% of the bone cortex, which are more than 2 cm in diameter or involving middle area of ​​the femur are associated with increased risk of fracture. Previous history of bone infarction, radiation or other risk factors suggests secondary fibrosarcoma.
Soft tissue sarcomas present as painless masses, smaller than those involving bone. As it develops deep facia muscle can become very large before diagnosis. Most injuries occur around the knee, proximal femur and proximal arm or thigh region. The physical masses are nonspecific and appear as firm, fixed area of ​​localized tenderness. Neurological or vascular changes are delayed and show extensive damage to the tumor.The clinical picture of fibrosarcoma may include:-Local pain, local swelling-Palpation a firm mass beneath the skin overlying a bone or-Fracture, damage to normal ambulatiei-Neurological symptoms, gastrointestinal bleedingUrinary urgency, pelvic fibrosarcoameleUrinary obstruction in pelvic-fibrosarcoamele.
Disease progression:Metastases occur late in the evolution fibrosarcoamelor. Their lungs are the main location, if it develops in the extremities. Once the lung metastases appeared chances of survival decreased significantly. If included at all stages of primary fibrosarcoma of bone disease has a negative prognosis osteosarcoma compared with 5-year survival of 65%. In poorly differentiated fibrosarcoma 10-year survival below 30%. Secondary fibrosarcoma is associated with a poor prognosis with survival 10 years less than 10%. For congenital fibrosarcoma of bone in children, the prognosis is much better survival rate of 50%.

Fibrosarcoma - Diagnosis

Imaging Studies:Plain radiograph of the affected anatomical area is needed to assess primary or secondary damage to the bone. Typically there is a noticeable aspect Destruction osteolytic area of ​​permeation.Periostiala weak reaction or reactive sclerosis is present. To assist in the diagnostic X-ray bone lesions and determine the location, size and extent of local. For soft tissue masses can be estimated size and bone damage.CT scan for bone fibrosarcoamele is used to determine bone involvement, bone destruction or reaction. Fibrosarcoamelor density is similar to surrounding normal muscle. Signs of the fracture or impending fracture can be observed, and the tumor can be located easily. Chest CT scan is indicated to detect metastasis.MRI is the best way to examine the soft tissue mass extending into and extraosoase detection for many bone sarcomas. It is useful to bring information about local extension, tumor size and involvement of neurovascular structures. Fibrosarcoma of bone is usually an extension extraosoasa.Technetium 99 bone scintigraphy is useful in evaluating tumor stage, detecting bone metastases or polyostotic disease. For fibrosarcomas technique has been replaced by MRI.Bone biopsy is the most important test for the diagnosis. Biopsy is the first step in treatment.
Histological examination:The tumor may present different degrees of differentiation: differentiated-low grade, intermediate and high-anaplastic neoplasia. Depending on the differentiation of tumor cells may be similar to mature fibroblasts, secrete collagen, with rare mitoses.These cells are arranged in short bundles divide and come together, giving the appearance of fish bones. Poorly differentiated tumors are composed of atypical cells, pleomorfe, giant, multinucleated, with numerous atypical mjitoze and reduced production of collagen. This immature blood vessels without endothelium favors-sarcomatous marrow metastasis.
The differential diagnosis is made with the following diseases: fibrous dysplasia, fibrous histiocitomul, osteosarcoma, Paget's sarcoma, malignant neurosarcom, rabdmiosarcomul, hemangioma, vascular haemarthrosis, lymphangioma, miofibromatoza, teratoma.

Fibrosarcoma

Fibrosarcoma is a tumor of mesenchymal origin composed of malignant fibroblasts and collagen. It may appear as a soft tissue mass or a primary or secondary bone tumor. The two types of fibrosarcoma of bone are primary and secondary. Primary fibrosarcoma is a fibroblastic neoplasm that produces variable amounts of collagen. Origin may be central in the bone marrow or peripheral channel starting in perost. Secondary fibrosarcoma of bone arises out of a preexisting lesion or after radiotherapy of soft tissue and bone areas. It is an aggressive tumor with a negative prognosis.There is no known definitive cause of fibrosarcoma, although genetic mutations play a role. Several hereditary syndromes are associated with neurofibromatosis-sarcomas. Fibrosarcoamelor increased incidence has been reported in association with metal implants used for reconstruction of fractures or joints. The cause of this transformation is unknown.
Fibrosarcoma is only 10% of musculoskeletal sarcomas and less than 5% of primary tumors of bone. It is more common in men than in women. It can be diagnosed in patients of all ages but occurs most frequently in the fourth decade of life. It is located in the lower extremities, especially the tibia and femur.Fibrosarcoma of soft tissues usually affects a wider variety of patients from that of bone, with an average age of 35-45 years.Appears on facial soft tissues of the posterior thigh and knee. It is a large mass, painless deep fascia with bad edges defined. There is also a form of infantile fibrosarcoma. Unlike the adult has an excellent prognosis, even in front of metastasis at presentation, when treated with chemo therapy and resection.Sarcomas involving the bones often present with pain and swelling after a long period of evolution. They can grow enough to threaten the structural integrity of bone and cause pathological fractures.
Radiation and chemotherapy can improve the appearance and local control of tumor extension. Chemotherapy is used in bone lesions. Radiotherapy is used in correlation with fibrosarcoamele surgery for soft tissue, with or without chemotherapy.Fibrosarcoma Treatment involves a combination of local control of tumor extension and metastatic disease by avoiding surgical techniques can preserve bone and totally or partially affected limb or amputate. Local Recurrence of the tumor occurs in 60% of cases and pre-or postoperative radiotherapy is recommended.Local Recurrence is reduced to 255 when postoperative irradiation is used.Like other sarcomas, prognosis and evolution of cancer depends on many interrelated factors. These include tumor size and location, or histological grade and the presence of metastatic lung disease. These factors are important in assessing tumor-staging and determining the success of treatment, secondary prevention of disease extension.
Fibrosarcoma - PathogenesisFibrosarcoma etiology has not yet defined researcher. Genetic mutations are considered incriminating, metal implants in joints and bone fractures and sarcomatous association with syndromes.Fibrosarcoamele secondary lesions are observed and background, such as heart and lesions associated with fibrous dysplasia, chronic osteomyelitis and Paget's disease of bone or irradiated areas. This form of fibrosarcoma is very aggressive and is associated with a poor prognosis than primary.
The tumor may present different degrees of differentiation: differentiated-low grade, intermediate and high-anaplastic neoplasia. Depending on the differentiation of tumor cells may be similar to mature fibroblasts, secrete collagen, with rare mitoses.These cells are arranged in short bundles divide and come together, giving the appearance of fish bones. Poorly differentiated tumors are composed of atypical cells, pleomorfe, giant, multinucleated, with numerous atypical mjitoze and reduced production of collagen. This immature blood vessels without endothelium favors-sarcomatous marrow metastasis.

Fibroma ossificans

Osteofibroasa dysplasia or ossified fibroma is a benign fibrous tumor with local aggressive behavior. Location is most common in adults mandible. For children the most common location is the tibia, followed by other long bones. Fibroma ossificans appears in the first decade of life and presents clinically as a mass progressive painless.
Fibroma ossificans shows a distinctive radiological appearance.This lesion occurs in the cortex above the lithic or metaphysical tibia shaft and cause the anterior-posterior bulge. This well-circumscribed tumor looks fine multiloculat cortex and cause distortion.
Treatment includes fibroma ossificans in patients older conservative curettage. It requires a full pathological investigation for possible adamantinoame. Patients who still has open growth plates are placed under medical observation. If the tibia is recommended tijarea bulging occurs. No tumor metastasized.
Due to the high rate of recurrence of the lesion nonchirurgical recommend treatment until reaching skeletal maturity, at which point marginal resection and bone grafting can be performed without increased risk of recurrence. For patients of any age, surgical correction of associated deformities may be necessary.Surgery is indicated if the lesion is aggressive or if the patient suffers multiple pathological fractures. Resection of large portions of the lesion is not necessary because it increases succeptibilitatea recurrent fractures.
The natural ossified fibroma is unpredictable. The rate of progression varies from slow to fast and spontaneous resolution is possible. The continued growth of the lesion often occurs prior to skeletal maturity. In most cases moderate progression is followed by gradual improvement once they have reached skeletal maturity.
Pathogenesis and causes
Fibroma ossificans etiology and origin of tumor cells is unknown. It originated out of a fault ipotetizeaza fibrovasculara. He proposed a cause-effect relationship between fibroids and adamantinom ossificans based on a common causative factor, fibrovascular defect. According to this theory fibroma ossificans occurs through a fault in haversiene channels, while adamantinomul develop a defect secondary intramedullary vasculature. Etiologic factor has been suggested that blood flow deficit in the periosteum.
Signs and symptoms
Fibroids and adamantinomul ossificans shows similar clinical pictures, as well as radiological and pathological features.Although it may sometimes look adamantinomul osteogenic sarcoma, fibroma ossificans show no histological features of malignancy. There histological grade between fibroma ossificans, adamantinomul benign and malignant adamantinomului aggressive appearance that is found in adults. The latter osteoid production with cellular mitosis can make it part of osteogenic sarcoma and thus can progress to malignancy.
Adamantinomul is a malignant bone tumor, locally aggressive, histogenetica unknown origin. It is considered to be of epithelial origin. Localization is predominantly in tibial shaft but it may occur in the fibula and other long tubular bones. They are slow-growing tumors with limited propensity to metastasis and local recurrence, are controlled by local resection.Initial symptoms are indolent and nonspecific, depending on the location and extent of the disease. Insidious onset, slowly progressive nature. Patients tolerate symptoms for several years before the doctor. The lesions may be discovered incidentally on X-rays after the patient has suffered a trauma to the affected extremity. The accused may present with mild bone pain for a few months or few years. Most patients present with local swelling with or without pain.
Diagnosis
Imaging Studies:Radiographic fibroma ossificans appears as an intramedullary lesion of the bone with crushed glass appearance. Fibroma ossificans in children is the eccentric lesions, osteolytic and intracorticale. It is this expansion through the cortical surface area internal cortical sclerosis. Frequently observed the appearance of soap bubbles by multilocular lesion. extension into soft tissue is absent and periosteala reaction is rare, if not associated with a pathological fracture. Lesion size is variable. Usually affects the shaft, although damage was reported and metaphysics.Biopsy: clinicr because evolution and appearance of the fibroid osficicant radiological, diagnostic for children, biopsy is rarely indicated and should be avoided.Histological examination: Microscopic fibroma ossificans consists of trabecular bone spiculi irregular bordered by osteoblasts. These osteoblasts produce a ring around the center bone lamellar bone bulged. The tumor was positive for citokeratina. Adamantinomul and represent stages in the evolution of dysplasia osteofibroasa fibroma ossificans.The differential diagnosis is made with the following diseases: fibrous dysplasia, fibroids nonosificant, adamantinomul.
Treatment
Therapy fibroma ossificans:Noninterventional treatment is recommended until skeletal maturity.Recurrent pathological fractures in children can be a problem active. Use tijari pseudoartrozele tibial defects similar to those of the tibia to minimize pathological fractures. Fractures can be treated with immobilization and ghipsaj.The recommended treatment of the injury until reaching nonchirurgical skeletal maturity, at which point marginal resection and bone grafting can be performed without increased risk of recurrence. For patients of any age, surgical correction of associated deformities may be necessary. Surgery is indicated if the lesion is aggressive or if the patient suffers multiple pathological fractures. Resection of large portions of the lesion is not necessary because it increases succeptibilitatea recurrent fractures.Malignant transformation is very rare lesion.
Adamantinomului therapy:The tumor is resistant to radiation and chemotherapy has not been shown effective. Interventional treatment is standard and includes amputation or en bloc resection with wide margins and limb salvage. Wide margins of excision are associated with decreased risk of local recurrence. The survival rate is 82% at 10 years. Limb reconstruction can be done by osteogenesis, allograft, vascularized fibular autografts, autografts and osteoplasty nonvascularizate metal.
Prognosis:The natural ossified fibroma is unpredictable. The rate of progression varies from slow to fast and spontaneous resolution is possible. The disease may follow three paths: moderate progression, especially during the first 5-10 years of life, aggressive growth with marked bone deformation and spontaneous resolution. The continued growth of the lesion often occurs prior to skeletal maturity. In most cases moderate progression is followed by gradual improvement once they have reached skeletal maturity.

Muscle soreness - Pathogenesis and causes muscle soreness

Muscle functions
Muscle tissue has four characteristics:Excitability-owned to receive and respond to stimuli such as-Neurotransmitters: acetylcholine stimulate skeletal muscles to contract-Applying an electrical stimulus, electric shock cause muscle contraction-Oxytocin-hormonal stimuli cause smooth muscle contraction.Contractility, the ability to shrink.Extensibility-ability to stretch without damage.Elasticity-the ability to return to its original shape after stretching.By moving the body part in muscle contractions, blood flow and peristalsis of hollow organs such as uterus, esophagus, stomach, intestines and bladder. Muscles help maintain posture and produce heat. Muscle contractions during shivering or tremor warms the body.
Foot muscle pathophysiology
The sensation of pain in skeletal muscles is transmitted through myelinated fibers nemielinizate delta and C related. III and IV sensory neurons end in free nerve endings. Free nerve endings are distributed mainly in connective tissue between muscle fibers of arterioles and capillaries in the region and musculotendinoase junctions. Group delta myelinated fibers transmit pain quickly located. Group C fibers transmit pain diffuse slowly.The sensation of muscle soreness is related fibers run in May first group of free nerve endings of C C in muscle fibers are Polimoda and respond to a variety of stimuli, including chemical and thermal.Chemicals that trigger action potentials in group C fibers in order of effectiveness are bradykinin, serotonin, histamine and potassium.
Causes and risk factors for muscle soreness
Result from muscle strain muscle soreness from physical activity level at which they are not adapted. Any activity that produces muscle strength or stronger than normal, which is used for a prolonged period cause muscle soreness. The degree of muscle inflammation and muscle contraction depend on the duration of exercise. Intensity seems to be more important than determining the duration.
There are five hypotheses used to explain the pathophysiology of foot muscles:
1. Structural destruction by high blood pressure.This hypothesis is the most accepted theory. Pain is mediated directly by the development of tardive maximum forces and forces in the development rate of rhythmic contractions. Muscle soreness is not mediated by muscle fatigue. Rhythmic and tetanic contractions that cause fatigue and discomfort most powerful muscle during exercise leading to pain after exercise. Structural destruction is evident in the muscles that are not qualified for that activity.
2. Accumulation of metabolic product.One of the most popular concepts is the accumulation of lactic acid in muscles. Degeneration and regeneration of muscle fibers observed after 2-3 hours of ischemia are quantitatively and temporally similar to the forces that result from exercise-induced injury. There is a relationship between exercise intensity and extension of inflammation. Exercise that involves eccentric contractions require less oxygen consumption and produce less milk compared to exercise with concentric contractions.
3. High temperature.Free nerve endings of type C and delta are sensitive to temperature 38-48 C. The high temperature can destroy the structural elements of muscle with muscle necrosis and tissue collapse. Eccentric exercise can generate local temperatures higher than concentric contractions. Rhabdomyolysis-muscle soreness is far more prevalent in untrained individuals during exercise performed in the heat.
4. Spastic contractures.Some studies show increased electromyographic activity in inflamed muscles. The loss of nervous control and vasoconstriction leading to decreased blood flow and ischemia, which in turn initiates a pain-spasm cycle. The magnitude of pain depends on the number of motor units involved.
5. Remodeling miofibrilara.The literature suggests that alterations miofibrilare and foot muscle cytoskeleton are trademarks of miofibrilelor reflcta adaptive remodeling.
There are four types of changes in muscle soreness:Z-expansion amorphous areasSarcomere-wideningDouble Z-zonesSupernumerary-sarcomere.
Exercise that involves eccentric contractions lead to rupture or damage of the strong over the concentric muscle. Therefore any form of exercise with eccentric muscle contractions cause muscle soreness. To produce a muscle force on motor units are activated at a less eccentric compared to a concentric contraction. In eccentric contraction force is spread over an area of ​​small sections of muscle. Sequential expansion drive regional tension fracture mechanics to determine the structural elements of muscle fibers or connective tissue that is in series with contractile elements.

Muscle soreness

Muscle soreness or inflammation of late-onset muscular body is a widely recognized and experienced by almost all persons during their life. Fever is defined as muscle discomfort or pain in skeletal muscles after intense physical activity, usually eccentric to an individual who is not physically accommodated. Although muscle soreness is experienced in popultie general, there is still controversy about the origin, etiology and treatment.
Result from muscle strain muscle soreness from physical activity level at which they are not adapted. Any activity that produces muscle strength or stronger than normal, which is used for a prolonged period cause muscle soreness. The degree of muscle inflammation and muscle contraction depend on the duration of exercise. Intensity seems to be more important than determining the duration.
Exercise that involves eccentric contractions lead to rupture or damage of the strong over the concentric muscle. Therefore any form of exercise with eccentric muscle contractions cause muscle soreness. To produce a muscle force on motor units are activated at a less eccentric compared to a concentric contraction. In eccentric contraction force is spread over an area of ​​small sections of muscle. Sequential expansion drive regional tension fracture mechanics to determine the structural elements of muscle fibers or connective tissue that is in series with contractile elements.
The incidence of foot muscle is difficult to calculate because most people with muscle soreness does not address physician accepting discomfort, muscle soreness as a generally acceptable.Every healthy adult muscle soreness experienced in different occasions. Muscle soreness occurs regardless of the patient's general physical condition. Muscle soreness is associated with increased morbidity only temporary pain, swelling, decrease muscle performance. There are no data to support association with muscle soreness or reduce long term sequelae muscle function. The process resolves spontaneously within two weeks.
Although it brings temporary relief, mild exercise segments are affected muscoscheletice best way to reduce muscle soreness.This sharp decrease after the initiation of exercise. With the cessation of their pain returns. What exercises reduce muscle discomfort is not yet clear. It also recommends immersion in ice water and ice massage, especially in athletes to minimize symptoms. NSAIDs were not active against muscle pain.
Signs and symptoms of muscle sorenessPatient history includes a history of performing heavy physical exercise, which is not usually particularly involving eccentric muscle contractions. Patients experience pain, swelling, painful muscle spasms. The muscles are especially sensitive to palpation and movement. Motility decrease patient notes 24-48 hours after exercise. The patient has reduced mobility and flexibility. Muscle soreness starts at 8-24 hours after exercise and has a maximum at 24-72 hours postexercitii, reducing slowly in these 5-7 days. Acute muscle soreness during exercise begins and continues for 4-6 hours after them.
Physical ExamSensitivity is often described as located in the distal portion of the muscles in musculotendinoase junction region. This is due to maximum concentration of pain receptors in this region. The pain is severe generalized muscle soreness. Belts muscle swelling is common. Decrease muscle strength and flexibility are also noted.
Evolution of foot muscleMuscle soreness occurs regardless of the patient's general physical condition. Muscle soreness is associated with increased morbidity only temporary pain, swelling, decrease muscle performance. There are no data to support association with muscle soreness or reduce long term sequelae muscle function.The process resolves spontaneously within two weeks.Exercise that involves eccentric contractions lead to rupture or damage of the strong over the concentric muscle. Therefore any form of exercise with eccentric muscle contractions cause muscle soreness. Sequential expansion drive regional tension fracture mechanics to determine the structural elements of muscle fibers or connective tissue that is in series with contractile elements.
Diagnosis of muscle sorenessLaboratory studies showed no specific changes in muscle soreness. Increased serum creatinine is common but not specific.Histological examination. Immediately after exercise of free erythrocytes and mitochondria are observed in the extracellular space. Increasing the number of circulating neutrophils and interleukin-1 occurs 24 hours after exercise. Increases in muscle protein degradation and depletion of muscle glycogen storage.The microscope can see rupture zones and disorganization miofilamentelor Z. 1-3 days pa when muscle soreness during exercise is very intense phagocytes are present in muscle fibers and muscle injuries are more apparent.
Differential diagnosis of foot muscles is the following diseases: polio acute pain miofasciala, postpoliomielitic syndrome, muscle cramps, phosphorylase deficiency, deficiency fosfofructokinaza.
Treatment of foot muscleAlthough it brings temporary relief, mild exercise segments are affected muscoscheletice best way to reduce muscle soreness.This sharp decrease after the initiation of exercise. With the cessation of their pain returns. What exercises reduce muscle discomfort is not yet clear, hypotheses include:Swallen-breaking adhesions in muscles during exercise-Increased blood flow or temperature help reduce muscle breakdown products accumulate toxic-Endorphin released from neurons in the central nervous system during exercise increasesAdmission-related increase is seen in large muscle sensory units-Direct attention to the exercise of the subjectDrive-effect is effective.It also recommends immersion in ice water and ice massage, especially in athletes to minimize symptoms. NSAIDs were not active against muscle pain. Administration of vitamin C and other antioxidants relieve pain in some people.
PrognosisMuscle soreness is associated with increased morbidity only temporary pain, swelling, decrease muscle performance. There are no data to support association with muscle soreness or reduce long term sequelae muscle function. Muscle soreness resolves spontaneously within 2 weeks.