KINESIOL 3U03 Lecture Notes - Lecture 6: Doubly Labeled Water, Accelerometer, Motor Skill
6 Apr 2017
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Total body energy expenditure (tee: resting energy expenditure (ree, basal metabolic rate (lowest possible point of metabolism, diet induced energy expenditure (energy cost of digestion of food, activity/exercise induced energy expenditure. Tee = ree + dee + eee (can only estimate) Adaptive energy expenditure (what are costs of different types of stressors on body: ex. Climactic stress: active in cold environment, vs. hot environment: burn more calories in cold because body needs to stay warm. Resting energy expenditure is measured in morning (rested)/fasted, in supine calm setting, in a neutral environment (23-25deg: vo2 measurement (2o minutes, mouthpiece, mask, ventilated hood (canopy), respiration chamber (for long term) Basal metabolic rate: energy released/consumed sufficient for vital organ function how much oxygen/energy does body use to stay alive. Liver: extremely variable (top 5 and bottom 5 have over 30% difference, estimated using harris benedict equation.
