Bring yourself to the ground and enter a high plank position with your hands directly under your shoulders and your legs extended directly behind you. Place a foam roller on the mat, perpendicular to your body and under your mid-shin. Maintaining a braced core and neutral spine, lift your left foot from the floor and lower your leg until your left shin is resting on the foam roller. Then proceed to hover your right leg off the floor so that all your weight is resting in your left shin and your torso is supported by your shoulders. This is your start position. Gently roll back and forth on the foam roller, feeling for any particular areas of tension in your shin. Repeat for the recommended amount of time before changing to the other side.