healthcare > EXAM > KNH 188 Exam 2 Practice Questions & Answers, Physical Activity and Health, Rated 100% (All)

KNH 188 Exam 2 Practice Questions & Answers, Physical Activity and Health, Rated 100%

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KNH 188 Exam 2 Practice Questions & Answers, Physical Activity and Health, Rated 100%-WHO defines physical activity as –ans- "any bodily movement produced by skeletal muscles that requires energy ex... penditure." Exercise is a subset of physical activity - ans- Exercise = A type of physical activity consisting of planned, structured, and repetitive bodily movement done to improve or maintain one or more components of physical fitness All exercise is physical activity - ans- but not all physical activity is exercise METs - ans- are a useful convenient and standardized way to describe the absolute intensity of a variety of physical activities. A MET is a multiple of your estimated resting energy expenditure - ans- "Energy expenditure refers to the amount of energy an individual uses to maintain essential body functions (respiration, circulation, digestion) and as a result of physical activity." -Heaney 1 MET = 3.5 ml O2/kg/min (the amount of oxygen consumed while sitting at rest) - ans- Light intensity PA = 2.0-2.9 METs Moderate PA = 3.0-5.9 METs Vigorous PA ≧ 6.0 METs What is Physical Fitness? - ans- is the ability to carry out daily tasks with vigor and alertness, without undue fatigue, and with ample energy to enjoy leisure-time pursuits and meet unforeseen emergencies. (ACSM) A set of physical attributes that allows the body to respond or adapt to the demands and stress of physical effort. A measure of how capable a person is to perform. These attributes can occur naturally in a person, or be achieved through training. There are health-related attributes and skill-related attributes. How does physical activity differ from physical fitness? - ans- Physical Activity = Behavior; Physical Fitness = capacity Physical fitness is accomplished by performing physical activity Cardiorespiratory Endurance - ans- The ability to perform prolonged, large-muscle, dynamic exercise at moderate to high levels of intensity (due to the ability of the circulatory and respiratory system to supply oxygen during sustained physical activity). [Show More]

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