| BRIME | brief repetitive isometric maximal exercise |
|---|---|
| IMET | isometric endurance test |
| isom | isometric |
| IST | inappropriate sinus tachycardia; insulin sensitivity test; insulin shock therapy; International Soci... |
| ISTU | isometric strength testing unit |
| I.D.T. | Isometric Developed Tension |
|---|---|
| IHG | Isometric handgrip |
| MVIC | Maximal voluntary isometric contraction |
| MVC | Maximal voluntary isometric contractions |
| M.V.C. | Maximum Voluntary Isometric Contraction |
| isometric exercise | Exercise consisting of muscular contractions without movement of the involved parts of the body. (05 Mar 2000) |
|---|---|
| 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. Compare: auxotonic, isotonic, isovolumic. Origin: iso-+ G. Metron, measure (05 Mar 2000) |
| isometric chart | A chart or graph that displays three dimensions on a plane surface. (05 Mar 2000) |
| isometric contraction | Muscular contractions characterised by increase in tension without change in length. (12 Dec 1998) |
| isometric contraction period | The time between closure of the atrioventricular valves and opening of the semilunar valves. (05 Mar 2000) |
| isometric period of cardiac cycle | That period in which the muscle fibres do not shorten although the cardiac muscle is excited and the pressure in the ventricles rises, extending from the closure of the atrioventricular valves to the opening of the semilunar valves (isovolumic constriction) or the reverse (isovolumic relaxation). (05 Mar 2000) |
| isometric relaxation | Decrease in tension of a muscle while the length remains constant due to fixation of the ends. (05 Mar 2000) |
| isometric relaxation period | Early ventricular diastole beginning with closure of the aortic and pulmonic valves and preceding opening of the atrioventricular valves. (05 Mar 2000) |
| isometric ruler | A calibrated scale for eliminating distortion in the measurement of plane surfaces. (05 Mar 2000) |
| 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. (18 Nov 1997) |
| isometric traction | Traction in which the length of the limb does not change. (05 Mar 2000) |
| aerobic exercise | Brisk exercise that promotes the circulation of oxygen through the blood. Examples include running, swimming, and cycling. (12 Dec 1998) |
| asthma, exercise-induced | Asthma attacks following a period of exercise. Usually the induced attack is short-lived and regresses spontaneously. The magnitude of postexertional airway obstruction is strongly influenced by the environment in which exercise is performed (i.e. Inhalation of cold air during physical exertion markedly augments the severity of the airway obstruction; conversely, warm humid air blunts or abolishes it). (12 Dec 1998) |
| Master's two-step exercise test | An early and long-used exercise challenge to identify ischemic heart disease using a pair of nine inch steps with a platform on top, the number of trips by the patient arbitrarily chosen and related to age and body weight. See: two-step exercise test. Synonym: Master's two-step exercise test. (05 Mar 2000) |
| isotonic exercise | Contraction of a muscle, the tension remaining constant. Since the contractile force is proportional to the overlap of the filaments and the overlap is varying, the numbers of active cross bridges must be changing. (18 Nov 1997) |
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