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. Dumbbell Side Lying Lateral Raise

Exercise guide

Dumbbell Side Lying Lateral Raise

  • Intermediate
  • Isolation
  • Rep-based
  • Shoulders

This unilateral isolation exercise targets the lateral deltoid, providing maximum tension in the lengthened position where traditional standing raises are easiest. By lying on your side, you alter the resistance curve to challenge the shoulder through a greater range of motion.

Reviewed by the Crucible Fit team · Updated June 2026

Watch the Dumbbell Side Lying Lateral Raise demonstrationVideo and instructions for every movement are in the Crucible Fit app.

Muscles worked

Primary

  • Deltoids

Secondary

  • Rotator cuff
  • Trapezius

Equipment

  • Dumbbell

Setup

  1. Lie on your side on a flat bench or a mat, supporting your head with your bottom arm.
  2. Hold a dumbbell in your top hand with a neutral grip, palm facing your thigh.
  3. Stack your hips and shoulders vertically, with your knees slightly bent for stability.
  4. Position the dumbbell so it rests lightly against your outer thigh.

How to do it

  1. Exhale as you raise the dumbbell in a wide arc away from your body until your arm is nearly vertical.
  2. Maintain a slight, fixed bend in your elbow throughout the entire range of motion.
  3. Inhale as you slowly lower the dumbbell back to the starting position over a 2-3 second count.
  4. Complete the desired number of repetitions on one side before switching to the other.

Form checklist

  • Keep your torso still; do not roll your chest toward the ceiling to help lift the weight.
  • Ensure the movement occurs strictly at the shoulder joint without shrugging the upper trap.
  • Stop the upward movement just before the arm reaches a vertical position to keep constant tension on the deltoid.
  • Keep the arm in the scapular plane, slightly in front of the midline of the body.

Pro tips

  • Think about 'sweeping' the dumbbell toward the wall across from you rather than just lifting it up to maximize lateral deltoid recruitment.
  • Focus on the bottom third of the movement, as this is where the lateral deltoid is under the most mechanical tension in this variation.

Make it harder

  • Perform the exercise on an incline bench set to 30 degrees to further increase the stretch on the lateral deltoid at the bottom.
  • Add a 1-second pause at the top of each rep to eliminate momentum and improve mind-muscle connection.

Frequently asked

What muscles does the dumbbell side lying lateral raise work?
The dumbbell side lying lateral raise primarily targets the deltoids, and also works the rotator cuff and trapezius as secondary muscles.
What equipment do you need for the dumbbell side lying lateral raise?
The dumbbell side lying lateral raise uses dumbbell.
Is the dumbbell side lying lateral raise good for beginners?
The dumbbell side lying lateral raise is rated intermediate. Build a base with simpler variations first, then progress to it with light load and strict form.

Related exercises

  • 45 Degrees Arms PlankIntermediate · abs, deltoids, obliques, and pectorals
  • Across Chest Shoulder StretchBeginner · deltoids, lats, rotator cuff, and trapezius
  • Alternate Front Kick In Place With Arm CirclesBeginner · abs, calves, deltoids, and pectorals
  • Alternate Knee Raise Side ReachBeginner · abs, deltoids, and obliques

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