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ex·ten·sion. (eks-ten'shŭn) [TA] 1. The act of bringing the distal portion of a joint in continuity with the long axis of the proximal portion. 2. A pulling or dragging force exerted on a limb in a distal direction. 3. To straighten a joint (i.e., the elbow is in extension when fully straightened).
ex·ten·sion. (eks-ten'shŭn) [TA] 1. The act of bringing the distal portion of a joint in continuity with the long axis of the proximal portion. 2. A pulling or dragging force exerted on a limb in a distal direction. 3. To straighten a joint (i.e., the elbow is in extension when fully straightened).
A muscle the contraction of which causes movement at a joint with the consequence that the limb or body assumes a more straight line, or so that the distance between the parts proximal and distal to the joint is increased or extended; the antagonist of a flexor. See: muscle.
hy·per·ex·ten·sion. (hī'pĕr-eks-ten'shŭn) Extension of a limb or part beyond the normal limit. Medical Dictionary for the Health Professions and Nursing © Farlex 2012.
ex·ten·sion. (eks-ten'shŭn) [TA] 1. The act of bringing the distal portion of a joint in continuity with the long axis of the proximal portion. 2. A pulling or dragging force exerted on a limb in a distal direction. 3. To straighten a joint (i.e., the elbow is in extension when fully straightened).
ex·tend. To straighten a limb, to diminish or extinguish the angle formed by flexion; to place the distal segment of a limb in such a position that its axis is continuous with that of the proximal segment. [L. ex- tendo, pp. -tensus, to stretch out]
ex·ten·sor. A muscle the contraction of which causes movement at a joint with the consequence that the limb or body assumes a more straight line, or so that the distance between the parts proximal and distal to the joint is increased or extended; the antagonist of a flexor. See: muscle.
Looking for online definition of extend in the Medical Dictionary? extend explanation free. What is extend? Meaning of extend medical term.
A general term for any manoeuvre intended to increase longevity and vitality. Life-extending activities include a healthy diet, smoking cessation, drinking alcohol in moderation, exercise and reduction in stress; life-extending modalities (e.g., Gerovital and Live Cell Therapy) are of dubious efficacy.
flexion. 1. the act of bending or the condition of being bent. 2. in obstetrics, the normal bending forward of the head of the fetus in the uterus or birth canal so that the chin rests on the chest, thereby presenting the smallest diameter of the vertex.