mod07MuscleFatigueLabReport.docx

mod07MuscleFatigueLabReport.docx - Laboratory Report Sheet...

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Laboratory Report Sheet: Muscle Fatigue Exercise 1: Muscle Fatigue Data Table 1: Exercise Data (9 points) Amount of Time Per Trial 30 seconds Amount of Rest between Trials (min) 1 minute Describe Alternate Activity if Push-ups Are Not Performed. Curling a 5 pound weight. Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Time of Trial Start 9:02 9:04 9:07 9:09 9:11 Time of Completion 9:04 9:06 9:08 9:10 9:12 Repetitions completed during Trial 18 17 14 14 13 1 Adapted with permission from Labpaq/Hands-On Learning
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*Insert the graph of your data here. (4 points) Questions: (4 points) A. What effect did repeating the exercise over time have on the muscles used? I was unable to do more reps as each trial was performed. B. As the exercise was repeated over time, how did the muscles feel? They felt tight and I had to struggle to keep doing full reps. C. Reflect on how muscles work. What physiological factors are responsible for fatigue? Muscle contractions are unable to create more force as more tension is created when an activity is performed.
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