Table 1.

Exercise program.

Exercises	Duration
Stretches (all sessions)
Hamstring	3 × 10 repetitions; 10-second hold
Quadriceps	3 × 10 repetitions; 10-second hold
Calf and iliotibial band	3 × 10 repetitions; 10-second hold
Weeks 1-2
Wall squat (0°-40° of knee flexion)	15 repetitions; 10-second hold
Quadriceps isometric	4 × 25 repetitions
Straight leg raises	3 × 10 repetitions
Weeks 3-4
Wall squat (0°-60° of knee flexion)	15 repetitions; 10-second hold
Quadriceps isometric	4 × 25 repetitions
Straight leg raises	3 × 10 repetitions
Terminal knee extension	3 × 10 repetitions
Weeks 4-5
Continued previous exercises
Minisquat (0°-30° of knee flexion)	3 × 10 repetitions
Lateral step down	3 × 10 repetitions
Weeks 6-8
Minisquat (0°-45° of knee flexion)	3 × 10 repetitions
Lateral step down with Thera-Band resistance behind knee pulling anteriorly	3 × 10 repetitions
Backward walk with Thera-Band resistance around ankles (ie, stand with slight knee flexion and take steps backward with resistance between ankles)	3 × 10 repetitions
Lateral step down off 4-in. (10.16-cm) step with Thera-Band resistance behind knee, pulling anteriorly	3 × 10 repetitions
Single-leg stance	3 × 10 repetitions
Weeks 8-10
Minisquat (0°-60° of knee flexion)	3 × 10 repetitions
Anterior step down with Thera-Band resistance behind knee, pulling posteriorly	3 × 10 repetitions
Side stepping with Thera-Band resistance around ankles	3 × 10 repetitions
Forward lunges with push-off (ie, lunge onto step to 40° of knee flexion and push off to starting position)	3 × 10 repetitions
Weeks 10-12
Single-leg minisquat (0°-30° to 0°-45° of knee flexion)	3 × 10 repetitions
Anterior/lateral and sideway steps with Thera-Band resistance behind knee pulling	3 × 10 repetitions
Split squat with Thera-Band Stability Trainer (blue)	3 × 10 repetitions
Forward lunges to ground level	3 × 10 repetitions