Straight Leg Raise This exercise is great for strengthening the thigh muscles without stressing the knee joint. How to perform: Lie on your back, bend one knee, and keep the other leg straight. Movement: Lift the straight leg to about 40 degrees. Hold: Hold for 5-10 seconds before lowering it slowly. Reps: Perform 10-15 repetitions for each leg. Benefits: Strengthens the quadric... https://mlsclinic.com