Which of the following is not increased during isometric exercise?
Correct Answer: Total peripheral reisistance
Description: Net fall in total peripheral resistance due to vasodilation in exercising musclesWith the sta of an isometric muscle contraction, the hea rate rises, probably as a result of psychic stimuli acting on the medulla oblongataWithin a few seconds of the onset of an isometric muscle contraction, systolic and diastolic blood pressures rise sharply.The response to exercise involving isotonic muscle contraction is similar in that there is a prompt increase in hea rate, but different in that a marked increase in stroke volume occursIncreased O2 consumption result in increase of respiratory rateRef: Ganong&;s review of medical physiology 23rd edition pg no: 518
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Physiology
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