Exercise library · Core
Sit-Up.
Full sit-up that trains the abs through a complete trunk flexion.
Also known as: Full Sit Up
BeginnerBodyweight
The numbers
Sets
3–4
Reps
8–15
Rest
45–75 s
The play-by-play
How to do it.
- Step 01
Lie on the back with knees bent, feet flat
- Step 02
Cross the arms or place hands by the head
- Step 03
Curl the torso up toward the knees
- Step 04
Keep the movement smooth
- Step 05
Lower back down under control
- Step 06
Repeat for reps
What separates good from great
Pro cues.
Avoid yanking on the neck
Exhale on the way up
Control the descent
Common questions
Questions, answered.
- What is the Sit-Up?
- Full sit-up that trains the abs through a complete trunk flexion.
- What muscles does the Sit-Up work?
- The Sit-Up primarily works your rectus abdominis. It also recruits your hip flexors as secondary movers.
- What equipment do I need for the Sit-Up?
- None. The Sit-Up is a bodyweight movement you can do without any equipment.
- How many sets and reps should I do for the Sit-Up?
- A typical prescription for the Sit-Up is 3–4 sets of 8–15 reps. Rest about 45–75 seconds between sets.
- Is the Sit-Up good for beginners?
- Yes. The Sit-Up is a beginner-friendly movement, so it is a good choice when you are starting out, as long as you keep the load light and focus on form.
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