Hamstring Curl w/ Leg Lift: What To Do: Three sets of 10 reps on each leg. Set Up: Lie faceup on the floor with your arms at your sides, heels on top of a stability ball. Lift your hips from the floor and raise one foot from the ball, pointing your toes to the ceiling, [A] then bend your opposite knee to draw the ball in toward you [B]. Action: Slowly lower your raised leg until it is an inch or two from the surface of the ball [C]. Raise your leg back up and repeat. When your set is through, repeat with your other leg.
7 minutes HIIT workout, do every exercise 30 seconds with 2 to 3 session and interval rest for 10 seconds