The Twisted Curl ab exercise works your rectus and transversus abdominis and obliques.
-Cinch-It Secret: Twisted Curl. Recline on the floor propped up on your elbows. Squeeze your abs and curl your torso to lightly grab your left outer thigh. Pulse your body up and into the left. Do 20 pulses then switch sides and repeat. Do 3 sets.
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