MANUAL_Oxygen Consumption From Rest to Steady State

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Rutgers University *

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Apr 3, 2024

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INDIVIDUAL DATASHEET SUBJECT A Name: Gabby Sex: F Age: y Height: __________ in __________ m 154 cm Weight: __________ lbs __________ 54 kg Submaximal exercise at: __________ mph and __________ % grade State Time (min) VO2 (ml/kg/min) VCO2 (ml/kg/min) RER HR (bpm) Resting 1 257 310 1.03 65 2 279 247 0.88 58 3 273 229 0.83 60 4 302 223 0.74 69 5 342 283 0.81 71 Avg. 290.6 258.4 0.85 8 64.6 Exercise 15 sec 402 332 0.82 95 30 sec 402 332 0.82 97 45 sec 521 410 0.79 91 60 sec 521 410 0.79 87 90 sec 691 419 0.61 89 2 min 857 532 0.62 91 3 min 782 576 0.74 95 4 min 896 665 0.74 102 5 min 859 684 0.79 103 6 min 827 654 0.79 100 7 min 854 695 0.81 101 8 min 881 729 0.83 91 9 min 908 756 0.83 97 10 min 904 741 0.82 92 Avg. 736.07 566.78 0.77 95.1 Recovery 15 sec 904 741 0.82 97 30 sec 815 649 0.8 78 45 sec 815 649 0.8 72 60 sec 534 423 0.79 76 90 sec 465 423 0.91 84 2 min 354 422 1.1 97 3 min 405 404 0.99 77 4 min 329 282 0.81 76

5 min 389 264 0.68 75 6 min 305 231 0.76 66 7 min 328 255 0.78 71 Avg. 513 431.18 0.84 79 SUBJECT B Name: Estephanie Sex: M / F (Circle one) Age: __________ y Height: __________ in __________ m __________ cm Weight: __________ lbs __________ kg Submaximal exercise at: __________ mph and __________ % grade State Time (min) VO2 (ml/kg/min) VCO2 (ml/kg/min) RER HR (bpm) Resting 1 250 198 0.78 76 2 233 177 0.76 84 3 268 205 0.76 118 4 245 196 0.8 122 5 245 209 0.85 112 Avg. 248.2 197 0.79 102.4 Exercise 15 sec 400 334 0.83 129 30 sec 400 334 0.83 120 45 sec 720 573 0.81 120 60 sec 720 573 0.81 120 90 sec 948 622 0.66 125 2 min 1050 720 0.69 123 3 min 1051 785 0.75 130 4 min 1154 886 0.77 127 5 min 1140 919 0.81 128 6 min 1034 822 0.8 124 7 min 1174 980 0.83 129 8 min 1153 960 0.83 133 9 min 1145 971 0.85 134 10 min 1110 957 0.86 136 Avg. 942.78 745.42 0.79 5 127 Recovery 15 sec 1110 957 0.86 129 30 sec 969 839 0.87 115 45 sec 969 839 0.87 113 60 sec 668 557 0.83 119 90 sec 433 400 0.92 119

2 min 372 352 0.95 111 3 min 319 281 0.88 113 4 min 317 282 0.89 109 5 min 315 267 0.87 110 6 min 309 267 0.86 112 7 min 306 270 0.88 115 Avg. 553.36 482.82 0.88 115

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LAB QUESTIONS 1. Using the data obtained from the steady state test(s) and Excel or Google Sheets, create a scatterplot of the results. Change the markers to a line (rather than individual points) and be sure to include a legend for each subject. VO 2 should be listed in ml/kg/min and should go on the y-axis, with time on the x-axis. Provide your chart below (3 points): 2. Using the data obtained from the steady state test(s) and Excel or Google Sheets, create another scatterplot of the results. Change the markers to a line (rather than individual points). This time, plot heart rate on the y-axis and time on the x-axis. Provide your chart below (3 points): 3. Calculate the O 2 deficit for both individuals. Show your work! (3 points)

Gabby Last 5 minutes First 4 minutes Steady State - first 4 minutes O2 Deficit (Gabby) 859 402 470.1666667 1839 827 402 470.1666667 854 521 351.1666667 O2 Deficit (Estephanie) 881 521 351.1666667 2565 908 691 181.1666667 904 857 15.16666667 Steady State 872.1666667 782 90.16666667 896 -23.83333333 Estephanie 1140 400 726 1034 400 726 1174 720 406 1153 720 406 1145 948 178 1110 1050 76 Steady State 1126 1051 75 1154 -28 4. Calculate EPOC for both individuals. Show your work! (3 points) Gabby Last 5 minutes First 4 minutes of rest Steady State - first 4 minutes EPOC (Gabby) 859 741 131.1666667 3286.166667 827 649 223.1666667 854 649 223.1666667 EPOC (Estephanie) 881 423 449.1666667 4501 908 423 449.1666667 904 422 450.1666667 Steady State 872.1666667 404 770

282 590.1666667 Estephanie 1140 957 169 1034 839 287 1174 839 287 1153 557 569 1145 400 726 1110 352 774 Steady State 1126 281 845 282 844 5. Why is there an O 2 deficit at the onset of exercise and what does it represent? Why is there EPOC post-exercise and what does it represent? (3 points) At the onset of exercise, there is an initial oxygen deficit, which means that the oxygen consumption doesn't immediately meet the increased demand. When you start exercising, for example, there is a delay in the increase in heart rate and stroke volume. It takes some time for the cardiovascular system to respond to the increased demand for oxygen by pumping more blood to the working muscles. The respiratory system also takes time to respond to the increased need for oxygen. After exercise, the body needs to replenish energy stores, such as ATP and PCr, which requires oxygen. That refers to EPOC and it helps the body recover and return to a resting state.

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