Traumatic periostitis is a kind of contusion of soft tissues, arises as a result of a direct mechanism of trauma. The most frequently affected areas are bones that do not have a muscle cover and are adjacent to the skin
The rupture of the lateral ligaments of the first metacarpophalangeal articulation usually occurs in athletes with unsuccessful attempts to perform exercises on gymnastic projectiles and is the result of forced excess lead of the 1st finger.
The rupture of ligaments connecting the tibial and fibular bones in the distal part usually accompanies the fractures of the ankles, but can also be isolated. The mechanism of injury is indirect.
Among isolated gaps of the ankle joints, only a violation of the integrity of the anterior talon-peroneal ligament is observed. The mechanism of trauma indirect - forced supination with plantar flexion.
Lacerations of the lateral ligaments of the knee joint occur with an indirect mechanism of injury - excessive deviation of the shin to the inside or outside, with a lateral ligament torn opposite to the side of the deflection.
The anterior and posterior cruciate ligaments keep the shin from displacement anteriorly and posteriorly. At rough violence on a tibia with a direction of impact behind and forward there is a rupture of an anterior cruciate ligament, with the application of force in the opposite direction a back cruciate ligament is torn.
The most common rupture of the patellar ligament occurs with a direct mechanism of injury. Closed ligament injuries in most cases are the result of indirect violence - a movement that exceeds the functionality of the joint.
The cause of the rupture of the tendon of the quadriceps muscle is a sudden sudden contraction of the muscle with a limb completely unbent in the knee joint, less often a direct injury.
