STRENGTHENING Quadriceps Isometric Strengthening • Sit on the floor with the leg you are planning to strengthen straight, and the other knee bent. • Contract the muscles in the front of . Lower Extremity Strengthening Home Exercise Program. Closed Chain, Standing. 1. Quadricep Set (quadriceps are the front thigh muscles): Standing. 1. Heel strike — leg forward, ankle . Initial treatment consists of medication and ice to relieve the pain, stretching and strengthening exercises (particularly bendi