Predicting Clinical Improvement in Chronic Low Back Pain Using Exercise‐Induced IVIM Perfusion: Threshold Evaluation and Disability‐Dependent Effects
ABSTRACT Chronic low back pain (LBP) is the leading cause of disability worldwide, yet responses to exercise‐based rehabilitation vary substantially and remain not well characterized. Impaired activation of the lumbar paraspinal muscles has been proposed as a mechanism limiting rehabilitation treatment response. Intrav...