26/01/2026
Posterior Pelvic Tilt (Backward-Tipped Pelvis)
A posterior pelvic tilt occurs when the pelvis tilts backward due to muscle imbalance—tight hamstrings and abdominals pulling the pelvis down, while weak hip flexors and lower-back muscles fail to maintain proper alignment.
Common Causes:
• Muscle imbalance: Tight hamstrings and abs with weak hip flexors and lumbar extensors
• Prolonged sitting: Especially slouched or reclined postures that flatten the lower back
• Poor posture: Habitual slouching while sitting or standing
• Repetitive movements: Overuse or constant tension in the hamstrings and glutes
• Functional or structural restrictions: Limited hip mobility causing the pelvis to roll backward
Associated Effects:
• Flattened or rounded lower back (loss of natural lumbar curve)
• Increased compression through the lumbar spine and discs
• Reduced glute strength and hip extension efficiency
• Lower-back stiffness, fatigue, and reduced movement efficiency