Category: R
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Resistance vessels
Another name for arterioles, because this is the site of greatest resistance to blood flow in the vascular system.
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Resistance training
A systematic program of exercises involving the exertion of force against a load, used to develop the strength, endurance, and/or hypertrophy of the muscular system.
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Relative submaximal workload
A workload above resting but below maximum that is prorated to each individual; typically set as some percentage of maximum.
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Reflex
Rapid, involuntary response to stimuli in which a specific stimulus results in a specific motor response. An automatic, unlearned response that occurs without conscious effort. A physiological reaction without any conscious thought involved, e.g. a knee jerk or a sneeze, which happens in response to a particular stimulus. An involuntary, automatic movement in reaction to…
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Rating of perceived exertion
A subjective impression of over all physical effort, strain, and fatigue during acute exercise.
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Rate pressure product (RPP)
An estimate of the myocardial oxygen consumption, calculated as the product of heart rate (HR) and systolic blood pressure (SBP).
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Rhythmic limbering exercise
Low intensity exercises, performed at a low to moderate pace that help prepare the body for more vigorous exercise by providing an increase in the flexibility of tendons and ligaments, raise muscle temperature, and stimulate muscle function.
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Residual volume
The volume of air that remains in the lungs after the deepest possible expiration. The amount of air left in the lungs, following a maximal exhalation. The volume of air that remains in the lungs at the end of maximal expiration. The volume of air that remains in the lungs after the individual has breathed…
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Recovery heart rate
Heart rate taken at the end of class after a stretch cool-down to gauge when the heart rate has returned to pre-exercise pulse.
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Reciprocal innervation
A stretching technique in which an individual contracts the opposite muscle he wants to stretch. The innervations of antagonistic muscles to provide for the relaxation of one muscle as the other contracts. Innervation of muscles, as around a joint, in which contraction of one set of muscles leads to the relaxation of opposing muscles. Contraction…