Muscle Stiffness – Causes, Symptoms & TheTole’s Herbal + Acupuncture Approach OverviewMuscle stiffness refers to tightness, rigidity, or reduced flexibility in muscle groups, often leading to discomfort and limited range of motion. It may happen occasionally (after overuse), or become chronic due to underlying medical, neurological, inflammatory, or metabolic conditions. At TheTole, the focus is to identify root causes through…