Performing the: A Step-by-Step Tutorial Quadriceps stretch
Lift your left foot behind you, bending at the knee, and grasp it with your left hand.
Pull your foot gently towards your buttock, keeping your hips straight and your knee pointing towards the ground, until you feel a stretch in the front of your thigh.
Hold the stretch for 20-30 seconds, breathing deeply and evenly.
Release your foot and repeat the stretch on the other leg.