anaerobic exercise

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anaerobic exercise

any short-duration exercise that is powered primarily by metabolic pathways that do not use oxygen. Such pathways produce lactic acid, resulting in metabolic acidosis. Examples of anaerobic exercise include sprinting and heavy weight lifting. Compare aerobic exercise. See also active exercise, passive exercise.

anaerobic exercise

A general term for exercise consisting of slow rhythmic movements against a force—e.g., calisthenics, such as push-ups, sit-ups, weight lifting—which evoke minimal increases in heart rate. Anaerobic exercise is said to strengthen muscles, increase joint mobility and reduce risk of musculoskeletal injury.

an·ae·ro·bic ex·er·cise

(an'ār-ōbik ek'sĕr-sīz)
Physical activity that alternates short bursts of energy with periods of rest.

anaerobic exercise

exercise at an intensity exceeding aerobic capacity, which therefore draws a significant fraction of its energy from anaerobic sources. Sprints of any form, jumps and forceful throws are examples. In sustained anaerobic exercise, metabolic products accumulate rapidly; this is indicated by the continual increase of blood lactate concentration throughout the period of effort, but other products such as phosphate ions, ADP, AMP and adenosine contribute much more to the fatigue which forces termination of the effort after some 10-120 s, depending on its intensity. Also known as supramaximal exercise . Compare aerobic exercise.

anaerobic exercise,

n physical activity, which instigates a metabolism that does not depend on oxygen. Examples include isotonics, in which the muscles contract against an object of resistance with movement (e.g., weight lifting); isometrics, in which muscles contract against resistance but without movement; and calisthenics (e.g., sit-ups and knee-bends), which increase flexibility and improve joint mobility.

anaerobic

the absence of air.
anaerobic bacteria
see anaerobe.
anaerobic effluent treatment
is usually conducted in deep ponds where air does not penetrate. A fully contained system is also available.
anaerobic exercise
exercise at high work intensity during which the needs of muscle metabolism for oxygen exceeds the capacity of the circulation to supply it and an oxygen debt is incurred.
anaerobic infection
one caused by aerobic organisms.
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