Performing the: A Step-by-Step Tutorial Hamstring Stretch
Next, step forward with your right foot about two feet, keeping your right knee slightly bent and your left leg straight.
Slowly bend forward at your hips, keeping your back straight, and reach your hands towards your right foot until you feel a stretch in the back of your left leg.
Hold this position for 20 to 30 seconds, breathing deeply and evenly throughout.
Finally, slowly rise back to the standing position and repeat the process with your left foot forward to stretch the right hamstring.