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Exercise · form guide

90/90 Hip Mobility

Primary muscle
Hip Internal
Also works
External Rotators
Equipment
Bodyweight
Difficulty
Beginner
Tempo
5–8 reps/side, 3s holds

Restores hip rotation lost from sitting. Squat depth comes from hip mobility — not stretching.

Sets & reps

General programming defaults by goal — not specific to this lift. Pick the row that matches yours.

Sets, reps, effort and rest by goal
GoalSetsRepsRPERest
Strength4–63–58–93–5 min
Hypertrophy3–58–127–990–120 s
Endurance2–415–256–845–60 s

Form

Cues

  1. Sit with both legs in 90° angles (one in front, one behind)
  2. Switch sides by rotating both knees together
  3. Squeeze glute of front leg at end range

Common mistakes

  1. Forcing range — let it open over time
Injury notes
Mandatory for sedentary desk workers + lifters with hip impingement.
Progression
Hold longer, add resistance band, or move to lifted variations.

Indian gym reality

Zero-equipment lift — works in a hostel room, PG, or a park. No excuse for skipping it on travel or gym-closed days.

If your gym doesn't have this equipment

  1. Zero-equipment variant works — see the home version below.
Home & hostel version
Bodyweight variants of this movement pattern exist — search the pattern name (squat, hinge, press, pull) plus 'bodyweight' and pick the version that matches your current strength.
Nutrition & recovery around this lift
Isolations recover fast — 24 hours is usually enough. You can hit the same muscle again the next day with a different exercise. For an Indian lifter, land 30–40g of protein within 90 minutes of finishing — 200g paneer, 4 whole eggs, 150g chicken, or a whey shake all work.

Frequently asked

What muscles does 90/90 Hip Mobility work?
Primarily Hip Internal · External Rotators. Load and rep range shift the emphasis — heavy triples bias the primary mover, sets of 12+ bring more of the secondaries in.
How many sets of 90/90 Hip Mobility per week?
For hypertrophy, 10–20 direct working sets per week across all exercises for that muscle. This exercise usually contributes 3–8 of those sets, depending on where it sits in your program.
What if I'm training at home in India?
See the home & hostel version above. Bodyweight variants of every major pattern exist and progress for months if you're intentional about it.
How often should I do 90/90 Hip Mobility?
Most intermediates do best with 2× per week frequency on any given lift — one heavier session and one lighter, or two matched sessions with different rep ranges. Beginners can add a third if recovery holds up.

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