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POSTUREGUY MIKE
ExerciseshipsClamshells
beginnerNo equipmentFloor

Clamshells

Isolates the gluteus medius — the hip stabilizer that controls lateral pelvis movement. Weak glute meds are a primary cause of hip drop, knee valgus, and IT band syndrome. A simple exercise with outsized structural benefits.

Clamshells
Clamshells
Duration
2 min
Reps
15–20 reps each side
Sets
3

How to do it

  1. 1

    Lie on your side with hips stacked directly on top of each other and knees bent to 45 degrees.

  2. 2

    Keep your feet together throughout the entire movement.

  3. 3

    Rotate your top knee upward toward the ceiling like a clamshell opening.

  4. 4

    Stop rotating when you feel your pelvis begin to roll backward, that is your range.

  5. 5

    Lower with control, resist gravity. Do not let the knee drop. Repeat.

Benefits

  • Strengthens the gluteus medius through isolated hip abduction
  • Corrects hip drop and lateral pelvic instability in walking
  • Reduces knee valgus and IT band syndrome risk

Common mistakes

  • Rolling the pelvis backward to get more apparent range of motion
  • Moving too fast, which reduces gluteus medius involvement
  • Feeling it only in the hip flexor, reposition until the outer glute engages

Target areas

hips

Good for

seniorspost surgeryathletes

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