Interventions in both groups
COLD
Cryo therapy: Both groups received cold pack on anterior knee joint for 10 min [Isometric Quadriceps Strengthening Exercises: These were given to both groups as the gold standard. The patient was lying supine. Physiotherapist placed a knee roll beneath the knee and instructed the patient to press the roll by using the back of the knee joint. The press was hold for 10 s following relaxed. Two sets of 10 repetitions were performed [Isometric Hip Adductor Strengthening Exercises: These were also given to both groups. The patient was lying supine with both knees flexed. Physiotherapist placed a knee roll between the knee and instructed the patient to press the roll by joining both knees. The press was hold for 10 s following relaxed. About 2 sets of 10 repetitions were performed [