Skip to content
Crucible Fit
  • The Crucible
  • The Week
  • Programs
  • Train Your Way
  • Pricing
Get Crucible
  • The Crucible
  • The Week
  • Programs
  • Train Your Way
  • Apple Watch
  • Pricing
  • FAQ
  • Training Guides
Get Crucible
Crucible Fit

A daily functional fitness test for iPhone, Apple Watch and Android. Stations, reps and the Crux, sized to your readiness and your kit.

Download on the App StoreGet it on Google Play

Crucible Fit

  • The Crucible
  • The Week
  • Programs
  • Train Your Way
  • Apple Watch
  • Pricing

Explore

  • Training Guides
  • Exercise Library
  • FAQ
  • Press
  • Support

Legal

  • Terms and Conditions
  • Privacy Policy
  • Consumer Health Data Notice

CRUCIBLE FIT™ and Crux by Crucible Fit are trademarks of Crucible Fit, LLC.

© 2026 Crucible Fit, LLC. All rights reserved. Apple, the Apple logo, iPhone and Apple Watch are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc. Google Play and the Google Play logo are trademarks of Google LLC.

  1. Home
  2. /
  3. Exercises
  4. /
  5. Shoulders
  6. /
  7. Resistance Band Weighted Standing Pronation Twist

Exercise guide

Resistance Band Weighted Standing Pronation Twist

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

This specialized isolation exercise targets the pronator teres and pronator quadratus by combining the constant gravitational load of a kettlebell with the variable tension of a resistance band. It is highly effective for building forearm density and improving rotational stability for sports like tennis, golf, or MMA.

Reviewed by the Crucible Fit team · Updated June 2026

Watch the Resistance Band Weighted Standing Pronation Twist demonstrationVideo and instructions for every movement are in the Crucible Fit app.

Muscles worked

Primary

  • Forearms

Secondary

  • Obliques
  • Serratus anterior

Equipment

  • Resistance band

Setup

  1. Anchor a light resistance band to a low point and loop the other end around the handle of a kettlebell.
  2. Stand with feet shoulder-width apart, holding the kettlebell handle with one hand in a neutral (hammer) grip.
  3. Bend your elbow to 90 degrees and tuck it firmly against your ribs, with your forearm parallel to the floor.
  4. Step away from the anchor point until the band creates tension pulling your palm toward the ceiling (supination).

How to do it

  1. Exhale as you rotate your forearm inward, turning your palm toward the floor (pronation) against the combined resistance.
  2. Pause for one second at the end of the rotation, squeezing your forearm muscles hard.
  3. Inhale as you slowly rotate your hand back to the starting neutral position, resisting the pull of the band.
  4. Perform all reps on one side before switching to the other, maintaining a controlled 2-1-2 tempo.

Form checklist

  • Keep your elbow pinned to your side to isolate the forearm and prevent shoulder compensation.
  • Ensure the rotation occurs at the forearm, not by tilting the wrist or leaning the torso.
  • Maintain a firm, full grip on the kettlebell handle throughout the entire range of motion.
  • Keep your shoulders retracted and down to maintain a stable base for the movement.

Pro tips

  • Offset your grip by holding the kettlebell handle closer to the 'pinky side' to increase the leverage and torque required for pronation.
  • Focus on the 'mind-muscle connection' by visualizing your forearm bones (radius and ulna) crossing over each other during the twist.
  • Squeeze the handle as hard as possible to trigger 'irradiation,' which recruits more muscle fibers in the forearm.

Make it harder

  • Increase the distance from the anchor point to maximize the peak tension of the resistance band at the end of the movement.
  • Slow the eccentric (return) phase to 4 seconds to increase time under tension for the pronator muscles.

Frequently asked

What muscles does the resistance band weighted standing pronation twist work?
The resistance band weighted standing pronation twist primarily targets the forearms, and also works the obliques and serratus anterior as secondary muscles.
What equipment do you need for the resistance band weighted standing pronation twist?
The resistance band weighted standing pronation twist uses resistance band.
Is the resistance band weighted standing pronation twist good for beginners?
The resistance band weighted standing pronation twist is rated intermediate. Build a base with simpler variations first, then progress to it with light load and strict form.

Related exercises

  • Boxing HookIntermediate · biceps, deltoids, forearms, lats, obliques, pectorals, and triceps
  • Boxing Jab With Bag And GlovesIntermediate · biceps, deltoids, forearms, and serratus anterior
  • Jumping Pull-UpIntermediate · biceps, deltoids, forearms, and lats
  • Kneeling Finger PressIntermediate · forearms

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.

Download on the App StoreGet it on Google Play

See how a Crucible works