“When our alignment is out this can directly ... Perform one set of 8-12 reps, then switch sides. “Single leg raises help to improve stability in the hip flexor,” explains Wong Oultram.

Your hip flexors run along the ... is to place a small ball beneath one heel and ask them to guide the ball out with their foot as they open the leg, then guide it back in again.

The front of your leg should remain steady and straight. Don’t lean to one side or let your knees or hips fall out of alignment ... you should perform a short warm-up to loosen your muscles ...