How to do it
- Lie on your back with your legs straight and together and your arms extended overhead.
- Lift your feet a few inches off the floor to start.
- Brace your abs and raise your torso and legs at the same time, keeping your arms in line with your upper body.
- Reach your hands toward your lower shins at the top, balanced on your seat.
- Lower slowly, keeping your abs tight, until you are back in the start position.
Key cues
- Legs straight and together
- Torso and legs rise at the same time
- Balance on your seat
- Reach toward your shins
- Lower slowly
Common mistakes
- Rushing the reps
- Rocking back and forth to build momentum
- Relaxing and flopping back down instead of lowering with control
Muscles worked
- Primary
- Abs and obliques
- Secondary
- Hip flexors, quads and adductors
Equipment
Exercise mat.