15-minute Killer Abs! 11

With certified personal trainer Dana Heinemann

Certified personal trainer Dana Heinemann provides this quick workout you can do at home to help create killer abs. Do two rounds of this circuit for a total of 400 reps.

#1 20 Front Jackknives

Sitting on your mat, place your hands behind your hips on the floor with your fingers pointing towards your feet, with your feet lifted off of the floor. As you lean your upper body back, extend your legs out straight. Then, bring your knees in as you lean your upper body back up. Repeat for 20 reps.

#2 40 Knee Drops

Get into a nice plank position—hands are on the floor directly under your shoulders with a nice straight line from your shoulders to your feet. Bend your right knee until it is tapping your mat. Then return and repeat on the left side. Alternate for 40 reps total.

#3 20 Oblique Crunches

Lie on your back with your knees bent and your hands behind your head. Drop your knees to the right keeping the knees bent, then lift your legs off of the floor. Keeping your nose pointed towards the ceiling, lift your shoulders and neck off of the floor into a crunch position.. Perform 20 on one side, then 20 on the other side.

#4 20 Crossover Crunches 

Lie on your back with your knees bent and your hands behind your head. Cross your right ankle over your left knee. Lift your head and shoulder off of the floor until you bring your left elbow to your right knee. Do 20 reps on each side.


#5 40 Army Crawls

Get into a plank position with your hands placed directly under your shoulders and a straight line from your shoulders to your ankles. Bring your right knee to the side to meet your right elbow. Then return to plank position. Alternate for 40 reps total.

#6 20 Clamps

Lie on your back with your knees bent and your hands behind your head. Lift your feet off of the floor as you raise your head and shoulders from the floor until you’re bringing your knees towards your forehead. Return to starting position and repeat for 20 reps.