Cable Ab Crunches on Exercise Ball
This challenging ab move uses cable resistance and instability to tone your core!
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Step 1
Adjust the cable to its lowest position and grab the handles with both hands.
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Step 2
Sit on the ball facing away from the machine and position the handles on your shoulders with your elbows fully bent.
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Step 3
Slowly curl up, contracting your abs while exhaling. Lower yourself back to starting position and repeat for the desired number of reps.