*Always check with a doctor prior to beginning a new workout or health regimen
This exercise, which requires a horizontal bar, strengthens both your abs and your forearms.
- Grasp a high bar with an overhand grip, with your hands past shoulder-width apart.
- Let your legs hang straight down.
- Fully extend your arms.
- With your legs together, slowly pull your knees toward your chest.
- Slowly return to your original position.