A crunch performed with legs held vertically, reaching the hands toward the toes. It emphasises upper rectus abdominis flexion from a lying position.
Primary muscles
Secondary muscles
This information is general fitness guidance, not medical advice. Stop if you feel pain and consult a qualified professional.
Main muscles working (thicker lines)
Lie on your back with legs extended straight up toward the ceiling and arms reaching up toward your feet.
Brace your abs and keep your legs steady and vertical.
Curl your shoulders off the floor and reach your fingertips toward your toes.
Pause briefly at the top.
Lower your shoulders slowly back to the floor.
Breathing: Exhale as you reach up, inhale as you lower.
Legs stay still
Reach through the fingertips
Lead with the chest
Swinging the legs toward the hands
Jerking the head forward
Letting legs drift toward the floor
Bend the knees slightly if tight hamstrings pull you out of position.