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 ...

You don’t need weights to sculpt strong, defined arms. These expert-approved bodyweight exercises build upper-body strength ...

Sit tall in a chair, with your spine neutral and feet flat on the floor. Avoid leaning back or slouching against the backrest. Place both hands behind your head or crossed in front of your chest, ...

Try doing 10 to 15 reps for two to three sets. Practicing easier pushup variations will help you get closer to the real thing ...