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Clamshells: Small Move, Side-Glute Classic

Side-lying clamshells train hip external rotation and the gluteus medius. They are a warm-up and a beginner builder, not a replacement for squats and bridges.

Clamshell side view with band: start, open, and return — Clamshell movement illustrations

The prescription

Sets: 2–3 sets
Reps: 12–15 reps each side
Rest: 30 sec
Time: About 6 min

Equipment. Mini band, Mat

Muscles. gluteus medius. Also gluteus minimus, gluteus maximus

Starting position

Lie on your side with hips and knees bent about 45 to 90 degrees.
Heels stay together. Head rests on the bottom arm. Hips are stacked.

How to move

Keep the feet touching and lift the top knee without rolling the pelvis backward.
Pause where the side glute works.
Lower the knee with control.
A mini band just above the knees makes the same shape harder.

Common mistakes

Rolling the top shoulder and hip backward to open the knee farther.
Using a range so tiny that nothing moves but the band.
Rushing through high reps with the pelvis rocking.

Variations

Side-lying leg lift
Standing hip abduction

Progressions

Add a mini band.
Hold the open position for two seconds.

Regressions

No band and a smaller range

Safety

Stop if you feel sharp pain, joint pinch, or symptoms that are not ordinary muscle effort.
This is general technique education, not a personal clearance to train through an injury.
If the front of the hip pinches, lift the knee less.

All Cheeked Up publishes general fitness education. It is not medical advice, physical therapy, or a promise that your body will change. Stop any exercise that causes pain and talk with a qualified professional about injuries, pregnancy, or health conditions before you train.

Related exercises

Programs that use it