Mild to moderate leg length discrepancy causes long-term musculoskeletal complications
Mild to moderate leg length discrepancies can alter posture, gait, and spinal alignment, potentially contributing to long-term musculoskeletal complications such as low back pain and osteoarthritis.
The retrieved literature consistently supports the association between leg length discrepancy (LLD) and biomechanical complications, including posture alteration, spinal misalignment, and joint stress. Papers [0], [1], and [5] specifically note how inequalities impact the spine, pelvis, and musculoskeletal system.
S T McCaw, B T Bates. Biomechanical implications of mild leg length inequality.. 1991. https://doi.org/10.1136/bjsm.25.1.10
Paper [0] reviews the biomechanical implications of leg length inequality, noting its association with stress fractures, low back pain, and osteoarthritis.
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Colonna S, Casacci F, Borghi C. Scoliosis and Lower Limb Inequality: To Lift or Not to Lift, That Is the Question.. 2024. https://doi.org/10.7759/cureus.58443
Paper [1] discusses how lower limb inequality can induce pelvic misalignments and alter the spine's axis, contributing to scoliotic alterations.
Fenske F, Schmidt J, Sander AK, Fichter AM, Schierz O, Roth A, Pempe C, Grau E. Postoperative leg length discrepancy after hip and knee arthroplasty induces measurable TMJ changes without clinical dysfunction.. 2026. https://doi.org/10.1186/s12891-026-09772-3
Paper [5] finds that postoperative leg length discrepancies induce measurable positional changes in the temporomandibular system and mandible.
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