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Download Loosn

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Compatible with

Download Loosn

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Compatible with

Sit Up

A classic core exercise to strengthen your abdominal muscles.

  • 45 secDuration
  • 1 × 15Reps
  • No equipmentEquipment

Muscles Targeted

  • Core

How to Perform

  1. Lie on back, knees bent, feet flat.
  2. Place hands behind head or across chest.
  3. Contract core, lift torso towards knees.
  4. Lower back down with control.
  5. Repeat for desired reps.

Common mistakes

  • Moving too quickly — use a slow, controlled tempo.
  • Using more range than you can control — shorten the movement if your form changes.
  • Holding your breath — breathe steadily throughout the exercise.

Pro tip

Start with a comfortable range and prioritise control over speed or distance.

How Kai uses this exercise

Kai adjusts the duration, reps, and difficulty using your form score and session feedback.

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Download Loosn

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Compatible with


Variations & Alternatives