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Why tight hip flexors contribute to lower back stiffness The hip flexors are a group of muscles (including the psoas major, iliacus, and rectus femoris) that connect the pelvis and …

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Introduction Hip flexor releases for lower back stiffness are practical techniques you can use at home or in clinic to ease tightness and improve mobility. If you sit for long …

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Why tight hip flexors cause lower back stiffness Tight hip flexors, especially the psoas major and iliacus, attach near the lumbar spine and pelvis. When these muscles are shortened from …