Seated Knee Up vs Criss Cross
Which one fits your Core workout plan?
Contents
Planfit users log Seated Knee Up more often — 9,913 sessions vs 188. Compare Core form, muscles worked, and when to use each.
Compare the benefits of Seated Knee Up and Criss Cross and pick the one that fits your Core workout.
Seated Knee Up vs Criss Cross: Which Do Planfit Users Choose?
Based on randomly selected data from 1 million completed workouts, Planfit users log Seated Knee Up more often — 9,913 sessions compared to 188 for Criss Cross.
What most people do isn't always what fits you. Seated Knee Up and Criss Cross differ in the muscles they work, the equipment they need, and how hard they are to learn — the comparison below covers each.
How Seated Knee Up and Criss Cross Differ
| What differs | Seated Knee Up | Criss Cross |
|---|---|---|
| Muscles worked | abs | abs, quads, and glutes |
| Difficulty | 2 of 5 | 2 of 5 |
| Sessions logged by Planfit users | 9,913 sessions | 188 sessions |
How to Do Seated Knee Up
Seated Knee Up Muscles Worked: Core
Form
- 1. Lift your lower body so that your knees and chest come closer together.
- 2. Allow your upper body to naturally lean forward so that your core can contract.
- 3. Slowly return to the starting position.
Coach's Tips
- If it's too difficult, try proceeding with your knees bent.
For a full Seated Knee Up guide with alternatives and benefits, see the Seated Knee Up exercise guide.
How to Do Criss Cross
Criss Cross Muscles Worked: Core
Form
- 1. Lie on the floor and raise both legs towards the sky at a 60-degree angle while keeping them together.
- 2. Interlock your fingers behind your head and lift your head off the floor.
- 3. Keep your toes pointed and prepare by looking at your toes.
- 4. Bend your right elbow and think of it touching your left knee while bending your knee and folding your upper body.
- 5. Do the same on the opposite side.
Coach's Tips
- If it's difficult because it's a high-intensity exercise, please substitute it with another exercise.
For a full Criss Cross guide with alternatives and benefits, see the Criss Cross exercise guide.
Frequently Asked Questions
Which is better for Core, Seated Knee Up or Criss Cross?
Planfit users log Seated Knee Up more often — 9,913 sessions against 188 for Criss Cross. Both train Core, so pick the one that matches the equipment you have and the muscles you want to load.
Do Seated Knee Up and Criss Cross work the same muscles?
Not quite. Seated Knee Up loads abs, and Criss Cross loads abs, quads, and glutes.
What equipment do Seated Knee Up and Criss Cross need?
Seated Knee Up needs bodyweight only, and Criss Cross needs bodyweight only.
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