A

> Attach a cuff to a low-cable pulley loaded with 10 to 20 pounds. Place the cuff around your right ankle and stand with your left side facing the machine. Hold the support with your left hand; place right hand on hip. > Lift right foot slightly off the floor, foot flexed. Square your hips and shoulders, slightly bend your left knee, and pull your abs in tight.

B

> Sweep right leg to the right as high as you can without shifting your hips or leaning sideways. > Lower to starting position; repeat. Switch sides to complete set.