2.5.2. Open Kinetic Chain Exercise Program 
hip abduction
In the 1st to 2nd week, the training program consisted of knee ROM exercises, quadriceps setting exercises by placing a foam roller under the knee in a supine position, straight leg raising, and ankle pull exercises in the supine position. In the 3rd to 4th weeks of training, ROM exercise of the knee, quadriceps setting in a sitting position, and hip abduction exercises while standing up were performed [