isometric tension


isometric tension
Tension generated in a muscle without contraction occurring: cross-bridges are being re-formed with the same site on the thin filament, and the tension (in striated muscle) is proportional to the overlap between thick and thin filaments.

Dictionary of molecular biology. 2004.

Look at other dictionaries:

  • Isometric exercise — or isometrics are a type of strength training in which the joint angle and muscle length do not change during contraction (compared to concentric or eccentric contractions, called isotonic movements). Isometrics are done in static positions,… …   Wikipedia

  • isometric — ► ADJECTIVE 1) having equal dimensions. 2) Physiology involving an increase in muscle tension without contraction. 3) (of perspective drawing) in which the three principal dimensions are represented by axes 120° apart. DERIVATIVES isometrically… …   English terms dictionary

  • isometric exercises — (isometrics) a system of exercises based on the principle of isometric contraction of muscles. This occurs when the fibres are called upon to contract and do work, but despite an increase in tension do not shorten in length. It can be induced in… …   Medical dictionary

  • isometric exercises — isometrics a system of exercises based on the principle of isometric contraction of muscles. This occurs when the fibres are called upon to contract and do work, but despite an increase in tension do not shorten in length. It can be induced in… …   The new mediacal dictionary

  • isometric — 1. Of equal dimensions. 2. In physiology, denoting the condition when the ends of a contracting muscle are held fixed so that contraction produces increased tension at a constant overall length. Cf.:auxotonic, isotonic (3), isovolumic. [iso + G.… …   Medical dictionary

  • isometric — [ˌʌɪsəʊ mɛtrɪk] adjective 1》 of or having equal dimensions. 2》 Physiology (of muscular action) in which tension is developed without contraction. 3》 denoting a method of perspective drawing in which the three principal dimensions are represented… …   English new terms dictionary

  • isometric — adj. 1 of equal measure. 2 Physiol. (of muscle action) developing tension while the muscle is prevented from contracting. 3 (of a drawing etc.) with the plane of projection at equal angles to the three principal axes of the object shown. 4 Math.… …   Useful english dictionary

  • Dynamic tension — is the name Charles Atlas gave to the system of exercises that he first popularized in the 1920s. Dynamic Tension is a self resistance exercise method which pits muscle against muscle. The practitioner tenses the muscles of given body part and… …   Wikipedia

  • Muscle contraction — See also: Twitch and Tremor Top down view of skeletal muscle Muscle fiber generates tension through the action of actin and myosin cross bridge cycling. While under tension, the muscle may lengthen, shorten, or …   Wikipedia

  • curve — 1. A nonangular continuous bend or line. 2. A chart or graphic representation, by means of a continuous line connecting individual observations, of the course of a physiologic activity, of the number of cases of a disease in a given period, or of …   Medical dictionary


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