Instability: It may possibly really feel like your knee is wobbly or unstable, specially when walking or bearing fat. A structured rehabilitation system focuses on strengthening muscles across the knee, including the quadriceps and hamstrings, that will help stabilise the joint. Exercises also concentrate on choice of movement and stability, https://www.theorthopaedicandpainpractice.com/what-happens-if-i-injure-my-posterior-cruciate-ligament/