15._Exercise_Slides_For_Notetaking

15._Exercise_Slides_For_Notetaking - 8/25/2010 Review...

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8/25/2010 1 Review consequences of inactivity What are the health risks associated with a lack of exercise? Selective overview of exercise physiology What happens during and as a consequence of working out? Workout recommendations How to design a balanced program and get the most out of every workout Signals originate from cortex Neural signals involved all the way to muscle contraction via acetylcholine Muscle v. nervous system fatigue Muscle v. nervous system training effects - e.g. balance Exercise improvements in mood and prevents decline in cognitive functioning
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8/25/2010 2 Largest tissue type in human body More than 640 muscles 30-40% of bodyweight Uses up to 25% of energy at rest & much more when exercising Overarching health is determined by the health of individual physiological systems, all of which are essential but few of which are quite as pervasive as skeletal muscle 1/3 of skeletal muscle in an immobilized limb disappears in weeks Regular exercise can increase size, mitochondria density, capillary density, etc. 60 % of people worldwide are overweight 30 % of U.S. adults are obese Largely attributed to diet Physical inactivity is the other side of this issue
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8/25/2010 3 Caloric intake determined entirely by food ingested Caloric expenditure determined by:
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This note was uploaded on 09/09/2011 for the course PSY 101 taught by Professor Staff during the Spring '11 term at UCSB.

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15._Exercise_Slides_For_Notetaking - 8/25/2010 Review...

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