Sit-Up
Expert Advice
To protect your lower back, avoid pulling on your neck or using momentum. Focus on using your abdominal muscles to lift your torso.
How-to-do Steps
- Lie on your back with your knees bent and feet flat on the floor.
- Place your hands behind your head or across your chest.
- Contract your abs and lift your upper body towards your knees.
- Lower yourself back down to the starting position with control.
- Repeat for the desired number of repetitions.
Track Sit-Up 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
Sit-Up 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
Abs70%
Secondary
Quads30%
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 Sit-Up work?
Sit-Up primarily targets the Abs. Secondary muscles involved include Quads. It is classified as a Strength exercise performed with Body Weight.
How many sets and reps should I do for Sit-Up?
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 Sit-Up suitable for beginners?
Yes, Sit-Up is rated as a beginner-friendly exercise, making it an excellent starting point. Focus on mastering proper form before increasing intensity or load.
