Side Crunch One Arm
Expert Advice
Keep your movements controlled and focus on contracting your oblique muscles to perform the crunch rather than using momentum.
How-to-do Steps
- Lie on your side with your legs stacked and one hand behind your head.
- Place your other arm across your body for stability.
- Lift your shoulder off the ground by contracting your oblique muscles.
- Slowly lower back down to the starting position.
- Repeat for the desired number of repetitions before switching sides.
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Muscles Worked
Side Crunch One Arm primarily targets the Abs, with Strength mechanics using Body Weight. Understanding muscle activation patterns helps you focus on proper engagement and maximize training effectiveness.
Primary

Abs100%
Equipment
Body Weight

Exercise Type
Strength
Sets & Reps Guidance
Beginner3 x 12-15
Intermediate3 x 10-12
Advanced4 x 8-10
Frequently Asked Questions
What muscles does Side Crunch One Arm work?
Side Crunch One Arm primarily targets the Abs. It is classified as a Strength exercise performed with Body Weight.
How many sets and reps should I do for Side Crunch One Arm?
For beginners, start with 3 sets of 12-15. Intermediate lifters can do 3 sets of 10-12. Advanced athletes can push to 4 sets of 8-10. Adjust based on your goals and recovery capacity.
Is Side Crunch One Arm suitable for beginners?
Yes, Side Crunch One Arm is rated as a beginner-friendly exercise, making it an excellent starting point. Focus on mastering proper form before increasing intensity or load.