What Is Anterior Pelvic Tilt?
Anterior pelvic tilt (APT) is a postural imbalance where your pelvis tilts forward, causing an exaggerated arch in your lower back. Think of your pelvis as a bowl of water - with APT, the bowl tips forward, spilling water out the front.
Tight (overactive): Hip flexors (psoas, rectus femoris), lower back (erector spinae). Weak (underactive): Glutes, abs (especially lower abs), hamstrings. The fix: Stretch tight muscles, strengthen weak muscles.
How to Test If You Have APT
Wall Test
Stand with back against wall, slide hand behind lower back. Normal: Hand fits snugly. APT: Entire hand fits with room to spare.
Mirror Test
Stand sideways in front of mirror. Look for: exaggerated lower back curve, protruding belly (even if lean), glutes sticking out ("duck butt").
Thomas Test
Lie on bed edge, pull one knee to chest, let other leg hang. Tight hip flexors: Hanging leg lifts up (can't stay flat).
What Causes Anterior Pelvic Tilt?
Prolonged Sitting
Sitting 8+ hours/day keeps hip flexors shortened. Glutes become weak and inactive ("glute amnesia"). This is the #1 cause of APT.
Poor Lifting Form
Squatting or deadlifting with excessive lower back arch (hyperextension) instead of using glutes reinforces APT patterns. Learn proper hip hinge technique.
Weak Core and Glutes
If abs and glutes can't stabilize pelvis, hip flexors and lower back compensate by pulling pelvis into anterior tilt.
8-Week APT Correction Program
Perform this routine 3-4 times per week. Combines stretching tight muscles, strengthening weak muscles, and retraining posture. Takes about 30 minutes per session.
Phase 1: Stretches (Loosen Tight Muscles) - see our mobility guide
Kneeling Hip Flexor Stretch
Kneel on one knee, push hips forward while squeezing glute. Hold: 60 sec/side, 2 sets.
Couch Stretch
Place shin on couch behind you, other foot forward, push hips forward. Hold: 60-90 sec/side, 2 sets.
Cat-Cow Stretch
On hands and knees, alternate arching and rounding spine. Focus on pelvis movement. Reps: 10-15 slow cycles.
Phase 2: Strengthening (Build Weak Muscles)
Glute Bridges
Squeeze glutes, lift hips (not lower back). Hold 2 sec at top. Sets: 3 × 15-20 reps.
Dead Bug
Press lower back into floor, extend opposite arm/leg while keeping back flat. Sets: 3 × 10 reps/side.
Planks
Forearm plank, squeeze glutes, tuck pelvis slightly. Don't sag or pike. Hold: 30-60 sec, 3 sets.
Bird Dogs: 3 × 10/side. Romanian Deadlifts: 3 × 10-12 (neutral spine, drive through glutes). Reverse Crunches: 3 × 12-15 (tilt pelvis, use abs not momentum).
Phase 3: Daily Posture Retraining
Daily Cues
- Squeeze glutes lightly (tilts pelvis back)
- Brace core (ribs down, not flared)
- Stand tall without overarching
- Sit on sit bones, not tailbone
Habits to Break
- Sitting for 60+ minutes without standing
- Sleeping on stomach (hyperextends back)
- Hyperextending at top of deadlifts
- Excessive lower back arch in squats
How Long Does It Take to Fix APT?
Weeks 1-2
Reduced lower back tightness, improved hip flexor flexibility. You'll feel the stretches working.
Weeks 3-4
Noticeable improvement in standing posture, less "duck butt" appearance.
Weeks 5-8
Significant reduction in pelvic tilt, stronger glutes and core, reduced back pain.
3-6 Months
Full correction for most people with consistent effort. New posture becomes automatic.
APT developed over months or years of sitting and poor posture. Give your body 8-12 weeks to rebalance. Consistency beats intensity - do the program 3-4x per week and practice daily posture cues.