Continuous passive motion (CPM) maximum of 0-110 degrees

Knee immobilizer

Weightbearing as tolerated

Knee extension exercises (prone hanging, heel pillow)

CPM at home until 110 degrees of flexion is achieved

Weightbearing

Extension exercises with weight if full extension is not present

Active -assisted flexion

Hamstring curls

Quarter squats

Step ups

Calf raises

Straight leg raises

Discontinue CPM

Custom knee brace

Leg press

Stationary bike

Stairmaster

ROM 0-130 degrees

Swimming

Cycling

Jumping rope

Jogging

Isokinetic evaluation with 20 degree extension block (180 & 240 degrees/second)

Pull ROM

Sport specific skills

Isokinetic evaluation (60-180-240 degrees/second)

If patient has met criteria of full ROM, no effusion, good stability, and 90% or better strength compared to uninvolved extremity with positive psychological mind set, then a return to competition may be implemented.