click below
click below
Normal Size Small Size show me how
EXSS 388: terms
Term | Definition |
---|---|
physical activity | any bodily movement produced by the skeltal muscles that results in energy expenditure. it is associated with occupation, leisure time, household chores, and sport |
exercise | a subject of physcial activity that is planned, structured and repetitive and has the object of improving or maintaining physical fitness. |
physical fitness | a set of health or skill related attributes that can be measured by specific tests |
health related fitnesss | refers to muscular strength and endurance, CRF, flexibility, and body composition (relative leaness) |
skill related fitness | refers to agility, balance, coordination, speed, power, and reaction time that are linked to games, sport, dance and so on. |
absolute intensity | rate of work and can be expressed in a number of ways: kcal/min, mm of o2 consumed per kg of body weight per minute, MET which is taken as RMR and is equal to 3.5ml x kg x min; exercise intensity is given as a multiple of MET (3-6) |
relative intensity | describes the degree of effort required to expend energy and is influenced by CRF or maximal aerobic power. a person with a crf of 10 METs who is working at 6 MET is at a relative intensity of 60% VO2 max. |
moderate intensity | refers to an absolute intensity of 3-5.9 MET and a relative intensity of 40% - 59% VO2 max. |
vigorous intensity | refers to an absolute intensity of 6 or more MET and a relative intensity of 60-84% VO2 max |
frequency | refers to the number of days per week physical activity is done |
duration | refers to the amount of time a physical acitivity is done |
volume | refers ot the total amount of enery expended or work accomplished in an activity and is equal to the product of the absolute intensity, frequency, and time. |