moreee2_2008

moreee2_2008 - After about 8 km/hr it is more economic to...

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TODAY: Efficiency versus Economy Other performance tests. Review for exam?
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O2 cost for cycle ergometry 0 0.5 1 1.5 2 2.5 3 3.5 0 50 100 150 200 250 Watts 1 kg/m/min = 0.16345 watts 1 kg/m/min = 0.00234 kcal
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Economy versus Efficiency (Chap 10): Efficiency=external work/metabolic work •Economy is the energy or O 2 cost to perform a specifically defined activity, like running at 6 m/min, or carrying loads.
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Economy:
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Unformatted text preview: After about 8 km/hr, it is more economic to run than walk. Economy: Boys and girls are less economic running and walking than adults i.e., they require 20-30% more O2 to run or walk at the same speed. Tests to evaluate the immediate energy system: (Chap 11) P=(FxD)/time F=65 kg D= 1.05 meters T=0.52 seconds P=(65 kg x 1.05m)/0.52 sec =131.3 kg/m/s =1287 Watts...
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This note was uploaded on 04/13/2008 for the course ABIO 365 taught by Professor Brutsaert during the Spring '08 term at SUNY Albany.

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moreee2_2008 - After about 8 km/hr it is more economic to...

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