MUSCLES ENGAGED Chest Strengthening the chest muscles will help you push things easily and effortlessly. The muscles in your chest help stabilize your shoulder joint, which reduces your vulnerability shoulder joint injuries. Working your chest muscles also has an aesthetic factor (body contouring). Triceps Triceps are an often forgotten muscle group. Triceps are located on the opposite side of the biceps at the back of the upper arm. Well strengthened and defined triceps make the arm look bigger and sleeker (reducing the "flabby arm" look). Equipment Used Balance Board A balance board is a device used for athletic training, balance training, recreation, brain development, rehabilitation and other kinds of personal development. Exercise Instructions Step 1 Start in a push up position with your hands placed on either the top or the sides of the balance board, keeping your back straight and your core tight. Step 2 Lower your body until your elbows are at 90 degrees and pause. Step 3 Raise your body back up to the starting position while maintaining a solid bridge and repeat.