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🦴 Clamshells

Lying on your side, open your knees like a clamshell. Strengthens hip rotators essential for knee stability.

HipBeginnerNone3 × 15

How to do the Clamshells

  1. Lie on your side with hips and knees bent at 45°
  2. Keep your feet together
  3. Open your top knee as far as comfortable
  4. Keep pelvis still — don't roll backward
  5. Hold 2 seconds, slowly close

Form tips

  • Hand on hip to feel for rolling
  • Add band above knees to progress

Muscles worked

Gluteus medius, Hip external rotators

When to be cautious

  • Hip replacement precautions
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Related Hip exercises

Banded ClamshellsFire HydrantsGlute BridgeSingle Leg BridgeMonster WalksHip Flexor Stretch

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