Reason: "Your transverse abdominis muscle acts like a corset when dropping the legs to protect and support the body and spine. This exercise will strengthen the obliques, transverse abdominis, pelvic ...

B) Bend your knees, contract your abs and slam the ball down to the ground. Try not to round your back when you pick up the ball. 'High-to-low slams are perfect for combining core strength with cardio ...

Step your feet out and push your hips up, resting on your heels. Your body should form a straight line from your shoulders, ...