Usually, this refers to an Anterior Cruciate Ligament tear, where the knee is in a fixed position and a twisting force is applied to it. This manifests itself as knee weakness when weight is put on...
It depends on the degree of damage. Ligaments take a long time to heal due to low blood supplies. See your doctor before trying any suggestions from some unknown source.
"The ligaments are a band of fibrous, slightly elastc connective tissue tt attaches bone to bone. The ligaments help stablize the movements of bones at a joint. "( Glencoe Health Copyright 2005 p....
because a torn ligament is more serious than just a broken bone. But, in some cases when you brake a bone you also can tare a ligament so, that would be bad. Damaged cartilage is not serious at all...