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Crunch
A short trunk flexion lying down: the shoulder blades lift off the floor, the lower back stays. Isolates the rectus abdominis without loading the hips.
- Level
- Start
- Equipment
- No equipment
- Measure
- reps
- Tempo
- 1-1-2-0 (down, pause, up, pause)
core
Technique
- Knees bent, feet flat, hands on the thighs or crossed on the chest.
- Curl the trunk, lifting the shoulder blades, exhale at the top.
- Lower slowly without dropping to the floor.
Common mistakes
- Pulling the head with the hands.
- Lower back lifting off: that is a sit-up, not a crunch.
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