Oblique Crunches

Learn how to do oblique crunches with a clear setup, controlled movement, and a technique you can repeat.

CoreBodyweight3 technique steps

See the movement
Oblique Crunches: matching illustrations comparing the setup and movement positions
01Set your position02Make the movement

How to do oblique crunches

  1. Lie on your back on the floor with knees bent and lower legs resting on a stable bench. Support the head lightly with one hand and rest the other arm on the floor.
  2. Curl one shoulder toward the opposite knee by moving the rib cage, without pulling the head or forcing elbow-to-knee contact.
  3. Lower under control and alternate sides. Keep the legs supported and use a small, repeatable trunk movement.
Oblique Crunches exercise illustration

Oblique Crunches: muscles worked

Primary focus: abdominals and trunk.

Better reps before more weight.

Start with a version you can control. Record the same setup and range each time. Add reps or a small load increase when you can repeat the movement without changing the technique.

Plan your next set

Frequently asked questions

How do you do oblique crunches?

Lie on your back on the floor with knees bent and lower legs resting on a stable bench. Support the head lightly with one hand and rest the other arm on the floor. Curl one shoulder toward the opposite knee by moving the rib cage, without pulling the head or forcing elbow-to-knee contact. Lower under control and alternate sides. Keep the legs supported and use a small, repeatable trunk movement.

What muscles does oblique crunches work?

Oblique Crunches primarily trains the abdominals and trunk. The exact demand depends on your setup, range, and chosen load.

What is the best technique for oblique crunches?

Set the trunk position before beginning the movement or hold. Use the intended trunk action rather than arm or leg momentum. End the set when the position changes; longer is useful only while you keep control.

What can I do instead of oblique crunches?

Related options include Oblique Crunches - On The Floor, Crunches, Decline Oblique Crunch. These can have different equipment, range, and movement demands. Open the guides below to compare the setups before choosing a replacement.

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