Decline Sit-up
Learn how to do the Decline Sit-up with proper form and technique. This body weight exercise primarily targets your Abs, with secondary emphasis on Hip Flexors, Lower Back.
How to Do the Decline Sit-up
Follow these steps to perform the Decline Sit-up with correct form:
- 1Lie on a decline bench with your feet secured and your knees bent.
- 2Place your hands behind your head or across your chest.
- 3Engage your abs and lift your upper body off the bench, curling forward towards your knees.
- 4Pause for a moment at the top, then slowly lower your upper body back down to the starting position.
- 5Repeat for the desired number of repetitions.
Decline Sit-up Muscles Worked
Primary
Secondary
Exercise Details
- Equipment
- body weight
- Body Part
- waist
- Category
- Main
Recovery & Training Frequency
- Recommended Recovery Time
- 2–3 days
- Weekly Frequency
- 2–3 sessions per week
- Why
- Medium-sized muscles like the deltoids and traps recover well with 48–72 h between targeted sessions. Higher training frequency (3 ×/week) is viable when volume per session is modest.
Sets & Reps by Goal
Strength
- Sets
- 3–4
- Reps
- 5–8
- Rest
- 90–120 s
Isolation movements can be trained with moderate loads for strength, though peak strength expression is secondary to compound lifts.
Hypertrophy
- Sets
- 3–5
- Reps
- 10–20
- Rest
- 45–90 s
Isolation exercises shine in the 10–20 rep range with a 2-second eccentric. Taking the final set close to failure drives maximum hypertrophic stimulus.
Endurance
- Sets
- 2–4
- Reps
- 20–30
- Rest
- 20–45 s
Light-load, high-rep isolation work is useful for rehab, joint health, and pump-focused training.
Which Workout Splits Include Decline Sit-up?
Based on the muscles this exercise targets, it fits naturally into these training splits and day types:
Full Body
Any session
Bro Split
Abs/Core Day
Not sure which split is right for you? Cora builds personalised training plans that match your schedule and goals. Learn more about progressive overload.
Related Exercises
Frequently Asked Questions
What muscles does the Decline Sit-up work?
The Decline Sit-up primarily targets your Abs. Secondary muscles worked include Hip Flexors, Lower Back. This makes it an effective exercise for developing your waist.
Do I need equipment for the Decline Sit-up?
No. The Decline Sit-up is a bodyweight exercise that requires no equipment. You can perform it anywhere with enough space.
How do I perform the Decline Sit-up with proper form?
Start by Lie on a decline bench with your feet secured and your knees bent. Place your hands behind your head or across your chest. Engage your abs and lift your upper body off the bench, curling forward towards your knees. Focus on controlled movement throughout the entire range of motion. See the full step-by-step instructions above for complete form guidance.
How often should I do the Decline Sit-up?
For most people, allow 2–3 days between sessions targeting the same muscle group. That translates to 2–3 sessions per week. Medium-sized muscles like the deltoids and traps recover well with 48–72 h between targeted sessions. Higher training frequency (3 ×/week) is viable when volume per session is modest.
What are the best sets and reps for the Decline Sit-up?
It depends on your goal. For strength: 3–4 sets of 5–8 with 90–120 s rest. For hypertrophy (muscle growth): 3–5 sets of 10–20 with 45–90 s rest. For endurance: 2–4 sets of 20–30 with 20–45 s rest.
Which workout splits is the Decline Sit-up best for?
The Decline Sit-up fits well into the following training splits: Full Body (Any session), Bro Split (Abs/Core Day). It is classified as a core movement.
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