Muscle Rigidity: Neurological Pathways, Clinical Presentation, and Treatment
1. Introduction to Muscle Rigidity Muscle rigidity is a severe neurological sign defined by a profound, continuous increase in muscle tone that resists passive movement. Unlike a voluntary muscle contraction or a temporary muscle spasm, rigidity represents a continuous state of hypertonia. When a clinician attempts to passively move a patient’s limb, they encounter a … Read more