Long Arm Crunch
Expert Advice
Focus on lifting with your abs rather than your neck or shoulders to prevent strain and ensure proper muscle engagement.
How-to-do Steps
- Lie on your back with knees bent and feet flat on the floor.
- Extend your arms straight behind your head, keeping them close to your ears.
- Contract your abs to lift your shoulder blades off the floor.
- Lower back down to the starting position.
- Repeat for the desired number of repetitions.
Track Long Arm Crunch in FitAI
Log your sets, reps, and weights automatically. Get AI-powered progressive overload recommendations and form feedback — personalized to your training history.
Muscles Worked
Long Arm Crunch 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 Long Arm Crunch work?
Long Arm Crunch primarily targets the Abs. It is classified as a Strength exercise performed with Body Weight.
How many sets and reps should I do for Long Arm Crunch?
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 Long Arm Crunch suitable for beginners?
Yes, Long Arm Crunch is rated as a beginner-friendly exercise, making it an excellent starting point. Focus on mastering proper form before increasing intensity or load.