Sit Up vs Full Plank
Which one fits your Core workout plan?
Contents
Planfit users log Sit Up more often — 3,693 sessions vs 341. Compare Core form, muscles worked, and when to use each.
Compare the benefits of Sit Up and Full Plank and pick the one that fits your Core workout.
Sit Up vs Full Plank: Which Do Planfit Users Choose?
Based on randomly selected data from 1 million completed workouts, Planfit users log Sit Up more often — 3,693 sessions compared to 341 for Full Plank.
What most people do isn't always what fits you. Sit Up and Full Plank differ in the muscles they work, the equipment they need, and how hard they are to learn — the comparison below covers each.
How Sit Up and Full Plank Differ
| What differs | Sit Up | Full Plank |
|---|---|---|
| Muscles worked | abs | abs, chest, and glutes |
| Difficulty | 2 of 5 | 3 of 5 |
| Sessions logged by Planfit users | 3,693 sessions | 341 sessions |
How to Do Sit Up
Sit Up Muscles Worked: Core
Form
- 1. Please lift your upper body so that you can sit up straight.
- 2. Slowly return to the starting position.
Coach's Tips
- 1. If you have pain in your lower back, avoid sit-ups and substitute with crunches.
- 2. When lifting your upper body, be careful not to overextend your lower back or pull your neck too much.
For a full Sit Up guide with alternatives and benefits, see the Sit Up exercise guide.
How to Do Full Plank
Full Plank Muscles Worked: Core
Form
- 1. Extend your elbows and maintain a position where your shoulders and arms are vertical, keeping your feet narrower than shoulder-width apart.
- 2. Imagine there is a long stick behind your back and align your head, waist, hips, and legs in a straight line.
- 3. Raise your toes, engage your core and glutes, and hold the position.
Coach's Tips
- Keep your body in a straight line and be careful not to let your back sag.
For a full Full Plank guide with alternatives and benefits, see the Full Plank exercise guide.
Frequently Asked Questions
Which is better for Core, Sit Up or Full Plank?
Planfit users log Sit Up more often — 3,693 sessions against 341 for Full Plank. Both train Core, so pick the one that matches the equipment you have and the muscles you want to load.
Do Sit Up and Full Plank work the same muscles?
Not quite. Sit Up loads abs, and Full Plank loads abs, chest, and glutes.
What equipment do Sit Up and Full Plank need?
Sit Up needs bodyweight only, and Full Plank needs bodyweight only.
Which is easier to start with?
Sit Up is the easier place to start. Move to Full Plank once your form holds up.
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