Crunch

Classification

Utility: Auxiliary
Mechanics: Isolated
Force: Pull

Instructions

Preparation

Lie supine on mat with lower legs on bench. Place hands behind neck or head.

Execution

Flex waist to raise upper torso from mat. Keep low back on mat and raise torso up as high as possible. Return until back of shoulders contact mat. Repeat.

Comments

Certain individuals may need to keep their neck in neutral position with space between their chin and sternum. See Spot Reduction Myth.

Easier

Movement can be made easier by placing arms further down away from head.

Harder

Exercise can be made more challenging by placing hands further up on head or beyond head. See Arm Position During Waist Exercises. Exercise can also be performed on incline board or with additional weight.

Muscles

Target

Synergists

Stabilizers

  • No significant stabilizers

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