Crunch - Hands Overhead — start position
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Crunch - Hands Overhead — end position
End

Core / Beginner / Isolation (single joint)

Crunch - Hands Overhead

An isolation bodyweight exercise for the abs.

At a glance

Primary
Abs
Equipment
Bodyweight
Movement pattern
Trunk flexion
Level
Beginner
Type
Core, Isolation (single joint)

How to do it

  1. Lie on the floor with your back flat and knees bent with around a 60-degree angle between the hamstrings and the calves.
  2. Keep your feet flat on the floor and stretch your arms overhead with your palms crossed. This will be your starting position.
  3. Curl your upper body forward and bring your shoulder blades just off the floor. At all times, keep your arms aligned with your head, neck and shoulder. Don't move them forward from that position. Exhale as you perform this portion of the movement and hold the contraction for a second.
  4. Slowly lower down to the starting position as you inhale.
  5. Repeat for the recommended amount of repetitions.

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Muscles worked

Neck (Front)Upper traps (Front)Front delts (Front)Side delts (Front)Chest (Front)Serratus anterior (Front)Biceps (Front)Forearms & grip (Front)Abs — primary (Front)Obliques (Front)Hip flexors (Front)Quads (Front)Adductors (Front)Shins (tibialis) (Front)Calves (Front)Outer shins (peroneals) (Front)Feet (arch & toes) (Front)Neck (Back)Upper traps (Back)Upper back (rhomboids, mid/lower traps) (Back)Rear delts (Back)Side delts (Back)Rotator cuff (Back)Lats (Back)Lower back (erectors) (Back)Triceps (Back)Forearms & grip (Back)Hip abductors (glute med) (Back)Glutes (Back)Hamstrings (Back)Adductors (Back)Calves (Back)
FrontBack
  • Primary: Abs

Best for

How specific this exercise is to each movement.

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Photos and instructions: free-exercise-db (github.com/yuhonas/free-exercise-db), public domain.