| A | B |
| abduction | the criminal act of carrying someone away by force |
| adduction | moving of a body part toward the central axis of the body |
| adhesion | the property of sticking together |
| ataxia | inability to coordinate voluntary muscle movements |
| atonic | characterized by a lack of tonus |
| atrophy | a decrease in size of an organ caused by disease or disuse |
| carpal tunnel syndrome | a painful disorder caused by compression of a nerve in the carpal tunnel; characterized by discomfort and weakness in the hands and fingers and by sensations of tingling, burning or numbness |
| circumduction | a circular movement of a limb or eye |
| contracture | an abnormal and usually permanent contraction of a muscle |
| dorsiflexion | the act of bending backward (of the body or a body part) |
| dyskinesia | abnormality in performing voluntary muscle movements |
| electromyography | diagnosis of neuromuscular disorders with the use of an electromyograph |
| epicondylitis | painful inflammation of the muscles and soft tissues around an epicondyle |
| ergonomics | the study of the relation of workers to their environments |
| neuromuscular | affecting or characteristic of both neural and muscular tissue |
| oblique | slanting or inclined in direction or course or position |
| origin | the place where something begins |
| paralysis | loss of the ability to move a body part |
| paraplegia | paralysis of the lower half of the body |
| polymyositis | myositis characterized by weakness of limb and neck muscles and much muscle pain and swelling; progression and severity vary among individuals |
| quadriplegia | paralysis of both arms and both legs |
| singultus | (usually plural) the state of having reflex spasms of the diaphragm accompanied by a rapid closure of the glottis producing an audible sound; sometimes a symptom of indigestion |
| sphincter | a ring of muscle that contracts to close an opening |
| sprain | twist suddenly so as to wrench |
| tenosynovitis | inflammation of a tendon and its enveloping sheath |
| torticollis | an unnatural condition in which the head leans to one side because the neck muscles on that side are contracted |
| transverse | extending or lying across, in a crosswise direction |
| hemiplegia | paralysis of one side of the body |
| hernia | rupture in tissue through which a bodily structure protrudes |
| fascia | instrument panel on an automobile or airplane containing dials and controls |
| hypotonia | (of muscular tissue) the state of being hypotonic |
| insertion | the act of putting one thing into another |
| intermittent claudication | lameness due to pain in leg muscles because the blood supply is inadequate; pain subsides with rest |
| muscular dystrophy | any of several hereditary diseases of the muscular system characterized by weakness and wasting of skeletal muscles |
| myasthenia gravis | a chronic progressive disease characterized by chronic fatigue and muscular weakness (especially in the face and neck); caused by a deficiency of acetylcholine at the neuromuscular junctions |
| myoclonus | a clonic spasm of a muscle or muscle group |