An unstable knee may not support your weight or may "buckle" when
you try to walk on it. Trying to move the joint may cause severe pain. A child
will protect his or her leg or may be unable to walk or stand.
Knee instability or buckling can have many causes, such as:
Knee pain is the most common musculoskeletal complaint that brings people to their doctor. With today?s increasingly active society, the number of knee problems is increasing. Knee pain has a wide variety of specific causes and treatments.