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Beginner
- Difficulty
- Beginner
- Movement type
- Strength
- Primary muscles
- Abs
- Secondary muscles
- Obliques
- Equipment
- Bodyweight
Crunch (Arms Straight)
4 steps Updated 29/08/2026
Crunch (Arms Straight) is a bodyweight exercise targeting Abdominals (Rectus Abdominis).
Step by step
How to perform it
- Begin by lying flat on your back with your knees bent and your feet flat on the floor, hip-width apart.
- Extend your arms straight above your head, keeping them in line with your ears.
- Engage your core and lift your shoulder blades off the floor, reaching your arms straight up towards the ceiling.
- Lower your shoulder blades back to the floor with control, keeping your arms extended. Repeat the movement for the desired number of repetitions.
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Variations and related exercises
3-4 Sit-Up
45 Degree Bicycle Twist Knee to Elbow
45 Degree Bicycle Twisting
45 Degree Bicycle Twisting Crunch
Last updated: 29/08/2026
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Crunch (Arms Straight)
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