As a result of a complex Knieverdrehtraumas or direct violence it comes to the violation of the inner and outer belt. Case of a combined injury of the medial collateral ligament, the medial meniscus and the anterior cruciate ligament, one speaks of the so-called “unhappy triad”.

Symptoms

In the wake of the trauma it comes with additional involvement of the internal structures of the knee, in addition to pain symptoms and swelling to a Kniegelenkserguss. Depending on the severity of the injury results in a corresponding instability of the joint.

Causes

Cause of a knee ligament injury side is the direct and indirect trauma to the knee joint. When concomitant overuse in knock-knee position, the inner sideband can be partially or completely tear in overuse in O-leg position, however, the outer sideband.

Diagnosis

In addition to the physical examination, one uses the imaging eg in the form of conventional radiography (excluding bony Bandausriss, fracture) or MRI (soft tissue imaging, ie muscles, ligaments, tendons, menisci).

Therapy

If it is a violation of the medial collateral ligament complex, as can be conservative, ie non-surgical, treatment, due to the good spontaneous healing tendency often. As an exception, however, the complete rupture of the medial capsular ligament complex with involvement of the posterior oblique band and the posteromedial capsule must be called. In this case, the indication for surgical Readapatation the ruptured ligament structures shall be submitted.

With injuries of the outer band structures of the knee joint operational acute reconstruction should be sought due to the unfavorable spontaneous prognosis.

Sideband operation