| A | B |
| singultus | hiccups |
| tonus | muscle tone |
| spasm | involuntary, sudden, very painful, prolonged muscle contraction |
| spasmodic torticollis | wryneck |
| lateral epicondylitis | tennis elbow |
| ADL | activities of daily living |
| ROM | range of motion |
| nocturnal myoclonus | leg jerking as person falls asleep |
| hyperkinesia | hyperactivity |
| MD | muscular dystrophy |
| FMS | fibromyalgia syndrome |
| rotator cuff tendinitis | tennis shoulder or pitcher's shoulder |
| medial epicondylitis | golfer's elbow |
| DTR | deep tendon reflexes |
| fibrillation | uncoordinated contraction of muscle fibers |
| convulsion | contractions of gorups of muscles in an abnormal way |
| isometric muscle contraction | contraction without muscle shortening or movement |
| twitch | quick, jerky contraction of whole muscle from one stimulation |
| tetany | continued contraction of a muscle |
| isotonic muscle contraction | muscles shorten and produce movement |