Hip Pain and Hip Impingement Dysfunction: Rectus Femoris Muscle Stretch
Place a cushion under your left knee and a step stool for under your left foot to increase the knee flexion angle. This will isolate the muscle stretch of your rectus femoris quads muscle acting as a hip flexor.
Keep your posture tall and visualize a string pulling your whole spine upwards from your pelvis, right up to the top of your head. Then engage your inner core muscles tight below your belly button and keep your low back flat and contract your left butt muscles.
Next, bend the right knee forward without leaning backwards. Hold this stretch for 30 seconds and repeat 3 times for each side.
This stretch can help with the hip injuries or hip impingement pain and dysfunctions you are having. If you experience pain or have any problems doing this exercise, consult your local Physiotherapist before continuing.