Flexion Leg Sit-up (straight arm)
Expert Advice
Keep your arms straight and aligned with your ears throughout the movement to maximize core engagement and minimize strain on the neck.
How-to-do Steps
- Lie on your back with your legs extended and arms straight above your head.
- Engage your core and lift your upper body and legs simultaneously, reaching your hands towards your toes.
- Slowly lower back down to the starting position while controlling the movement.
- Repeat for the desired number of repetitions.
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Muscles Worked
Flexion Leg Sit-up (straight arm) primarily targets the Abs, Quads, with Strength mechanics using Body Weight. Understanding muscle activation patterns helps you focus on proper engagement and maximize training effectiveness.
Primary


Abs50%

Quads50%
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 Flexion Leg Sit-up (straight arm) work?
Flexion Leg Sit-up (straight arm) primarily targets the Abs, Quads. It is classified as a Strength exercise performed with Body Weight.
How many sets and reps should I do for Flexion Leg Sit-up (straight 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 Flexion Leg Sit-up (straight arm) suitable for beginners?
Yes, Flexion Leg Sit-up (straight arm) is rated as a beginner-friendly exercise, making it an excellent starting point. Focus on mastering proper form before increasing intensity or load.