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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 …

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Hip flexor releases for lower back stiffness can quickly reduce discomfort and improve mobility when done correctly. These techniques target tight hip flexors — often a hidden contributor to chronic …

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Hip flexor releases for lower back stiffness: quick relief and lasting mobility Hip flexor releases for lower back stiffness can provide fast, tangible relief when tight hips pull on the …