Hold for 20-30 seconds. Hold for 5 seconds. Stand and hold onto your chair. Stand every time you'll be able to. In some circumstances, the ligament also can break unfastened a chunk of underlying bone. They join the femur to the tibia (thigh bone to shin bone) and control the stability of the knee. These exercises deal with strengthening the muscles around the knee joint to offer stability and assist. Your ligaments aren't designed to support your weight