title: Stiffness: a pathophysiologic approach to diagnosis and treatment.
authors.affiliation: Department of Medicine, University of Pennsylvania, Philadelphia 19104.
authors.forename: E L
authors.initials: EL
authors.lastname: Siegler
authors.forename: L H
authors.initials: LH
authors.lastname: Beck
mesh_terms: D001480:Basal Ganglia Diseases / Q000209:etiology / Q000503:physiopathology / Q000628:therapy; D003286:Contracture / Q000209:etiology / Q000503:physiopathology* / Q000628:therapy; D006801:Humans; D007596:Joints / Q000503:physiopathology*; D009069:Movement Disorders / Q000175:diagnosis / Q000209:etiology / Q000503:physiopathology* / Q000628:therapy; D009127:Muscle Rigidity / Q000209:etiology / Q000503:physiopathology / Q000628:therapy; D009128:Muscle Spasticity / Q000209:etiology / Q000503:physiopathology / Q000628:therapy; D009132:Muscles / Q000503:physiopathology*; D009468:Neuromuscular Diseases / Q000209:etiology / Q000503:physiopathology / Q000628:therapy; D010300:Parkinson Disease / Q000209:etiology / Q000503:physiopathology / Q000628:therapy; D010808:Physical Examination; D013742:Tetanus / Q000209:etiology / Q000503:physiopathology / Q000628:therapy