The rising number of knee ligament injuries which are subsequently surgically reconstructed require special rehabilitation programs. Casting is followed by a knee brace with careful attention paid to restricting full extension. A complete rehabilitation program must include provisions for strengthening knee muscles without placing excess stress on the surgical repair. This program must be coupled with a gradual increase in weight bearing and rigorous control of knee position to yield the optimal result.J Orthop Sports Phys Ther 1983;5(3):121-126.