Step by Step / Updated 03-27-2016
Core, or abdominal, exercise is integral to almost every movement because it helps with so much: balance, coordination, and flexibility. It also improves your performance with cardio workouts. Although your abs may recover more quickly than other muscles, remember that they still need rest too.Triceps kickbackStarting position: Stand up in split-stance position, with your right leg forward, holding a dumbbell in your left hand.