Tuck Crunch

Abdominals

Tuck Crunch

LevelBeginner EquipmentBodyweight MechanicIsolation ForcePull

A floor crunch where you pull your knees in as your chest curls forward, working the whole abdominal wall.

Strength

Primary musclesAbdominals

Energy burned

≈ 17 kcalFor 3 × 8–12, rest 90s · ≈ 2.9 kcal/min

Estimate range 12–21 kcal (±25 %)

Muscle mass worked4 %

Effort during a set4.5 MET

Your lean mass53.5 kgBody fat estimated from BMI and age

Body-weight exercise: your whole body is the load, so heavier people burn more.

Estimate ±25 %: muscles worked (from the exercise data), sets, reps, rest and your body. See the planner for whole sessions.

Setup

1Lie on your back with your hands lightly behind your head or at your sides.
2Raise your knees over your hips with a bend of about 90 degrees.

How to perform

1Curl your upper body off the floor while pulling your knees toward your chest.
2Squeeze your abs hard at the top.
3Pause briefly in the tucked position.
4Slowly extend back to the start without letting your feet touch.