LIFESCI 2N03 Lecture Notes - Lecture 39: Gallstone, Phosphocreatine, Adenosine Triphosphate
30 Mar 2016
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Document Summary
Depends on certain minimal amount of physical acivity. Involves body movement, muscle contracion and enhanced energy expenditure. Exercise = vigorous, planned, and structured physical acivity. Beneits of physical acivity: resful sleep, nutriional health, opimal body composiion and healthy body weight, opimal bone density (stronger, denser, resistance to infecious diseases (colds) o o o o o o. Low incidence & severity of anxiety and depression. Long life, high quality of life in later years. People who are acive tend to choose their food more wisely, have opimal body composiion. Canada"s food guide recommended daily physical acivity: 30 mins a day 5 days a week. Two main types of athletes: strength (high intensity, short duraion, endurance (low intensity, long duraion) Hypertrophy: muscle strength and size increases when muscles are asked to work repeatedly. Atrophy: diminishing of muscle size and strength when not using muscle.
