aime_nathan_SCI132_Week3-Exercise2

aime_nathan_SCI132_Week3-Exercise2 - Exercise 2: Skeletal...

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Exercise 2: Skeletal Muscle Physiology Worksheet Assignment Due: Week 3 Student instructions : Follow the step-by-step instructions for this exercise found in your text and record your answers in the spaces below. Submit this completed document by the assignment due date found in the Syllabus. Please make sure that your answers are typed in RED . Please type your Name and Student ID Number here: Nathan Aime 4134653 Single Stimulus Activity 1: Identifying the Latent Period 1. How long is the latent period? 2.22 msec 2. Does the latent period change with different stimulus voltages? yes Activity 2: Identifying the Threshold Voltage 1. What do you see in the Active Force display? The line stays flat. 2. What is the threshold voltage? 0.8 V 3. How does the graph generated at the threshold voltage differ from the graphs generated at voltages below the threshold? It has a slight increase above the base line. Activity 3: Effect of Increases in Stimulus Intensity 1. How did the increases in voltage affect the peaks in the tracings? When the voltage increased, the peaks increased. 2. How did the increases in voltage affect the amount of active force generated by the muscle? As voltage increased, the amount of active force increased. 3. What is the voltage beyond which there were no further increases in active force? Maximal voltage:
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aime_nathan_SCI132_Week3-Exercise2 - Exercise 2: Skeletal...

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