Oblique Crunch vs Seated Knee Up
Which one fits your Core workout plan?
Contents
Planfit users log Seated Knee Up more often — 9,913 sessions vs 963. Compare Core form, muscles worked, and when to use each.
Compare the benefits of Oblique Crunch and Seated Knee Up and pick the one that fits your Core workout.
Oblique Crunch vs Seated Knee Up: 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 963 for Oblique Crunch.
What most people do isn't always what fits you. Oblique Crunch and Seated Knee Up differ in the muscles they work, the equipment they need, and how hard they are to learn — the comparison below covers each.
How Oblique Crunch and Seated Knee Up Differ
| What differs | Oblique Crunch | Seated Knee Up |
|---|---|---|
| One side at a time | Yes | No |
| Difficulty | 2 of 5 | 2 of 5 |
| Sessions logged by Planfit users | 963 sessions | 9,913 sessions |
How to Do Oblique Crunch
Oblique Crunch Muscles Worked: Core
Form
- 1. Lift your upper body to the side and contract your side.
- 2. Slowly return to the starting position.
Coach's Tips
- 1. Without raising your upper body using the arm placed on the floor, lift your upper body using your core strength.
- 2. If you excessively bend your neck or use momentum, it can strain your neck or lower back.
- 3. If the movement is difficult, adjust the height you lift and perform the exercise gently.
For a full Oblique Crunch guide with alternatives and benefits, see the Oblique Crunch exercise guide.
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.
Frequently Asked Questions
Which is better for Core, Oblique Crunch or Seated Knee Up?
Planfit users log Seated Knee Up more often — 9,913 sessions against 963 for Oblique Crunch. Both train Core, so pick the one that matches the equipment you have and the muscles you want to load.
What equipment do Oblique Crunch and Seated Knee Up need?
Oblique Crunch needs bodyweight only, and Seated Knee Up needs bodyweight only.
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