Exercise 6 Windshield Wiper
Sets: As many as needed Reps: 30 Rest: 45-60 Seconds
Grab a chinup bar with an overhand, shoulder-width grip and hang from it . Contract your abs and raise your legs up to your left side until they are in line with your left hand . Now rotate your hips so that your legs turn to the right side . That's one rep. If that's too difficult, perform the exercise with your knees bent.