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Last updated March 5, 2026
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Abductorsglutes

Clamshell

Lie on your side with knees bent. Keep feet together and open your top knee like a clamshell. Squeeze the glute at the top.

Quick facts

Difficulty
Easy
Mechanic
Isolation
Force
Push
Type
Strength
Injury Risk
Low
Hypertrophy
Low
Calorie Burn
Low

Muscle focus

Primary and secondary muscle groups targeted by this movement.

Primary

side glutes (med)

Secondary

side glutes (min)outer hip (tfl)hip rotators

Equipment & setup

What you need and how to position yourself before starting.

Equipment

body weight

Movement pattern

Unilateral

Posture

Lying

Tracking parameters

reps

Step-by-step instructions

Follow these cues to master proper technique and stay safe through every rep.

  1. Step 1Setup
    • Lie on your side on a mat with your head resting on your lower arm.
    • Bend both knees to approximately 45 degrees, stacking your legs on top of each other.
    • Keep your feet together throughout the movement.
  2. Step 2Execution
    • While keeping your feet together, raise your top knee as high as you can without rotating your pelvis.
    • Squeeze your glute at the top of the movement and hold briefly.
    • Slowly lower your knee back down to the starting position.
  3. Step 3Tips
    • Place your top hand on your hip to feel for unwanted pelvic rotation.
    • To increase difficulty, wrap a resistance band around your knees.
  4. Step 4Finish
    • Complete the desired number of reps on one side, then switch to the other side.
Version 1 · Created February 24, 2026