The factors causing knee joint strain in sports and the prevention

Abstract

Knee joint strains are common in the knee joint injuries caused by sports project. Knee joint strain refers to subtle nutrition metabolic disorder induced by local fatigue of knee joint and micro-tissue damage caused by different loading cases when anatomical structures of knee joint has excess load in sports. Knee joint strain occurs frequently in causes of transition during acute phase, stop of training for many years, improper special auxiliary exercise and early special training. The general reasons are incorrect body posture, shortage of lower limb muscle strength, lack of muscle ligament relaxation or improper footwork swaps in sports. Injuries of patella, patellar ligament and meniscus are common in knee joint stain. Because of the difficulty of curing knee joint strain, positive prevention is the best measure to reduce the phenomenon of knee joint strain and the strain degradation.