Lab #2: Energy Change in Steady State Work
Purpose: Using indirect calorimetry, oxygen consumption, heart rate and rating of perceived exertion will be measured in a test subject while performing set work on a cycle ergometer. Through data collection, the class will make the determination of where and when oxygen deficit and steady state occur in the subject during the exercise sets. An understanding of energy transition will be applied as well as a determination of overall fitness when comparing both subjects.
Equipment: 1 Polar Heart Rate Monitor; 1 Monark Cycle Ergometer; RPE chart; 1 stop watch; metronome; Korr Metabolic Cart
Questions for Discussion:
**6. Graph heart rates vs. Time & Workload. Graph VO2 vs. Time & Work load. Label: O2 Deficit, & Steady state **PLACE GRAPHS IN RESULTS SECTION
Data Recording Sheet
Name of Subject: ____” A” _______Gender: Female Age: __34____
Height: _____64.5____inches Body Weight: __133_____lbs
Resting HR: ____85___ bpm Resting VO2: _3.2_______ml’kg’min
2 minute warm up: 150 kgms HR: 1:45 _93____ VO2: ___8.9____
Work Rate: 450 kgms
Heart Rate (bpm) / VO2 (ml/kg/min)
: 45: _103____ __10.2__
1:45: __119___ __15.7___
2: 45: _128____ __20.9___
3:45: __132___ __19.0___ 4:30: RPE ___11__
4: 45: __136___ __22.7_
Work Rate: 900 kgms
:45: _ 151____ ___26.4__
1:45: _ 155___ __31.5___
2:45: __162__ ___41.9__
3: 45: __165___ __41.7___ 4:30: RPE _15____
4:45: ___166__ __43.4___
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