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  5. Shoulders
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  7. Sitting Alternate Abduction Twist On A Chair

Exercise guide

Sitting Alternate Abduction Twist On A Chair

  • Intermediate
  • Compound
  • Rep-based
  • Shoulders
  • Upper arms
  • Waist

This seated compound movement targets the obliques and glutes by combining spinal rotation with hip abduction, improving core stability and lateral hip strength from a stable, low-impact position.

Reviewed by the Crucible Fit team · Updated June 2026

Watch the Sitting Alternate Abduction Twist On A Chair demonstrationVideo and instructions for every movement are in the Crucible Fit app.

Muscles worked

Primary

  • Abs
  • Glutes
  • Obliques

Secondary

  • Erector spinae
  • Serratus anterior

Equipment

  • Body weight

Setup

  1. Sit on the edge of a stable chair or flat bench with your feet flat on the floor, hip-width apart.
  2. Maintain an upright posture with a neutral spine and your chest lifted.
  3. Place your fingertips lightly behind your ears with elbows flared out to the sides.
  4. Engage your core by pulling your navel toward your spine to stabilize your torso.

How to do it

  1. Simultaneously lift your right foot off the floor, moving your right knee outward (abduction) while rotating your torso to the right.
  2. Exhale as you bring your left elbow toward your right knee, focusing on the contraction in your obliques.
  3. Inhale as you slowly return your foot and torso to the center starting position with controlled tempo.
  4. Repeat the movement on the opposite side, alternating sides for each repetition.

Form checklist

  • Keep your back straight and avoid slouching or rounding the lumbar spine.
  • Ensure the rotation occurs at the waist rather than just pulling on your neck with your hands.
  • Keep the stationary foot firmly planted on the ground to maintain balance.
  • Drive the knee outward as you lift to ensure the glutes are actively engaged.

Pro tips

  • Focus on the 'mind-muscle connection' by imagining you are wringing out a towel with your midsection during the twist.
  • Pause for one second at the peak of the contraction to maximize engagement of the glute medius and obliques.
  • Keep your elbows wide throughout the entire set to prevent your arms from doing the work instead of your core.

Make it harder

  • Hold a light medicine ball or dumbbell at chest height to increase the rotational load.
  • Perform the movement with a mini-band placed just above your knees to increase resistance during the abduction phase.

Frequently asked

What muscles does the sitting alternate abduction twist on a chair work?
The sitting alternate abduction twist on a chair primarily targets the abs, glutes, and obliques, and also works the erector spinae and serratus anterior as secondary muscles.
What equipment do you need for the sitting alternate abduction twist on a chair?
The sitting alternate abduction twist on a chair requires no equipment — just your body weight.
Is the sitting alternate abduction twist on a chair good for beginners?
The sitting alternate abduction twist on a chair is rated intermediate. Build a base with simpler variations first, then progress to it with light load and strict form.

Related exercises

  • Ardha Matsyendrasana Yoga PoseIntermediate · abs, glutes, obliques, and trapezius
  • Bent Knee Lying TwistBeginner · abs, glutes, and obliques
  • Boxing CrossIntermediate · abs, calves, deltoids, glutes, obliques, and pectorals
  • Boxing Low Hook With Bag And GlovesIntermediate · abs, deltoids, glutes, obliques, pectorals, and quadriceps

Train it with Crucible Fit.

Every movement in this library is in the app with video and instructions, ready for your own sessions on the days between Crucibles. Your first Crucible is on us.

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