Decline Oblique Crunch — start position
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Decline Oblique Crunch — end position
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Core / Intermediate / Isolation (single joint)

Decline Oblique Crunch

A crunch on a decline bench with a twist, bringing the elbow toward the opposite knee to train the obliques.

At a glance

Primary
Obliques, Abs
Secondary
Hip flexors
Equipment
Bench
Movement pattern
Trunk flexion, Trunk rotation
Level
Intermediate
Type
Core, Isolation (single joint), One side at a time

Loads the neck. Use a load you can control and skip it if it causes pain.

How to do it

  1. Lie face up on a decline bench with your feet secured under the pads.
  2. Place your hands beside your head.
  3. Curl your shoulders up and twist to bring one elbow toward the opposite knee.
  4. Lower back down with control and alternate sides.

Tips

  • Do not pull on your head.
  • Rotate from the torso, not just the elbow.

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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 — primary (Front)Hip flexors — secondary (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: Obliques, Abs
  • Secondary: Hip flexors

Best for

How specific this exercise is to each movement.

Illustration: Everkinetic (everkinetic.com), CC BY-SA 4.0.