This exercise targets: abdominal muscles, lower back and chest For this exercise, you will need: an exercise mat Position your body on your forearms and your toes, aligning your arms with your shoulders. Keep your feet about 20 inches apart. Your legs are straight and locked at the knees. Your entire body should be in a straight position, including your middle area. While staying in this position, make sure to squeeze all your working muscles. Tips: Keep your whole body in a straight line and don’t let your back sag downwards. Face your head to the ground. Breathe naturally and do not hold your breath. Keep your middle area in line with the rest of the body and squeeze your abdominal and back muscles. Beginners: stay in this position for 30 seconds Intermediate level: stay in this position for 1 minute Advanced level: stay in this position for 1 minute