Sprains, fractures and, above all, problems with the cruciate ligaments are among the most common conditions. The knee is a complex joint whose function is flexion-extension and limited internal and external rotation of the leg (which can only be performed with the knee bent).

Rotation is both the most dangerous and one of the most frequent movements in many sports. When the knee is bent, the ligaments that protect it are loose; consequently, sudden extension movements from a flexion-rotation position can damage the cruciate ligaments.

Meniscus injuries

Meniscus trauma caused by excessive rotational stress on a bent, weight-bearing knee is very common. Equally frequent are conditions affecting the menisci — two discs located between the distal epiphysis of the femur and the proximal epiphysis of the tibia, which act as cushions between the bone ends and absorb impact.

How to take care of your knees

• Reduce impact on the front of the knees.
• Control the alignment between the hip, knee and ankle in all positions.
• Balance the use of all three joints during every movement.
• Any knee pain could be due to incorrect postural alignment.