Muscles: Quadriceps, Hamstrings, Glutes & Calves
Standard: Start in the fully inverted and locked position. Hold onto the A-frame legs to stabilize your body. In a slow, controlled motion, bend your knees to pull your body up. Hold for 3 seconds, then in the same slow, controlled motion, lower your body then repeat.
Advanced: Follow the instruction above, except do no grab the A-frame legs to stabilize your body. Place your hands above your head (as pictured) and use your core muscles to stabilize your body.
Reps: 10 to 15 reps
Sets: 3 to 5 sets