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Anatomy and
Physiology: The Muscles

The MusclesAnatomy and PhysiologyThe MusclesActing in ConcertFibers Every Which Way Now that you've learned the hard part, how the muscle cells actually work, it's time to learn the muscle names…

tendon

(Encyclopedia) tendon, tough cord composed of closely packed white fibers of connective tissue that serves to attach muscles to internal structures such as bones or other muscles. Sometimes when the…

cramp

(Encyclopedia) cramp, painful uncontrollable contraction of a muscle or group of muscles. The type that results from cold, strain, or disturbance of circulation (as experienced by swimmers) is eased…

strabismus

(Encyclopedia) strabismusstrabismusstrəbĭzˈməs [key], inability of the eyes to focus together because of an imbalance in the muscles that control eye movement; also called squint. It is a consequence…

biofeedback

(Encyclopedia) biofeedback, method for learning to increase one's ability to control biological responses, such as blood pressure, muscle tension, and heart rate. Sophisticated instruments are often…

muscle

(Encyclopedia) muscle, the contractile tissue that effects the movement of and within the body. Muscle tissue in the higher animals is classified as striated, smooth, or cardiac, according to its…

bursa, in anatomy

(Encyclopedia) bursabursabûrˈsə [key], closed fibrous sac lined with a smooth membrane, producing a viscous lubricant known as synovial fluid. Bursas are found in regions where muscles or tendons rub…

massage

(Encyclopedia) massagemassageməsäzhˈ [key], treatment of superficial parts of the body by systematic rubbing, stroking, kneading, or slapping. Massages can be administered manually or with mechanical…

tubercle

(Encyclopedia) tubercletuberclet&oomacr;ˈbərky&oomacr;lˌ [key] [Lat.,=little swelling], small, usually solid, nodule or prominence. In anatomy the term is applied to natural prominences in…