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Exercise guide

Seated Machine Trunk Rotation

A complete movement guide from 4-Week Glutes and Legs Shape Program: Progression Cycle 2

Abs Bodyweight StrengthCoreMobility
Seated Machine Trunk Rotation exercise animation
Purpose and technique

How this exercise works

The Seated Machine Trunk Rotation is an isolation exercise targeting the oblique muscles of the core. It involves rotating the torso against resistance while seated, helping to improve core strength and stability.

CoreCore Upper Core Lower
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Description

Movement overview

The Seated Machine Trunk Rotation is an isolation exercise targeting the oblique muscles of the core. It involves rotating the torso against resistance while seated, helping to improve core strength and stability.

Execution

Step-by-step cues

  1. Adjust the seat height so that your knees are at a 90-degree angle when seated.
  2. Sit on the machine with your back straight and feet flat on the floor.
  3. Place your arms across your chest or hold onto the handles if available.
  4. Engage your core muscles by pulling your navel towards your spine.
  5. Rotate your torso to one side as far as comfortable, keeping your hips stable.
  6. Return to the starting position in a controlled manner.
  7. Repeat the movement on the opposite side.
  8. Perform equal repetitions for both sides.
Coach notes

Technical tips

  • Maintain a slow and controlled motion to maximize muscle engagement.
  • Avoid using momentum; focus on using your oblique muscles to drive the movement.
  • Keep your shoulders relaxed and avoid hunching them during the exercise.
  • Ensure that your hips remain stationary throughout the rotation to isolate the core effectively.
  • Start with a lighter resistance to master the form before increasing weight.
  • Exhale as you rotate and inhale as you return to the center position.
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