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Bio 170 Physio Ex Exercise 2 Activity 1 Lab Report
- Course
- BIO 170
- Institution
- Farmingdale State College
Exercise 2: Skeletal Muscle Physiology Activity 1: The Muscle Twitch and the Latent Period.
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11/1/2020 PhysioEx Exercise 2 Activity 1PhysioEx Lab Report
Exercise 2: Skeletal Muscle Physiology
Activity 1: The Muscle Twitch and the Latent Period
Name: Sarah Rodriguez
Date: 1 November 2020
Session ID: session-16cdc9d1-1801-f4a6-6b1a-991850daa461
Pre-lab Quiz Results
You have not completed the Pre-lab Quiz.
Experiment Results
Predict Question
1 Predict Question: Will changes to the stimulus voltage alter the duration of the latent period?
Your answer: No, changing the stimulus voltage will not change the latent period duration.
Stop & Think Questions
1 What is the period of time that elapses between the generation of an action potential and
the start of muscle tension development in a muscle fiber?
You correctly answered: The latent period.
2 What occurs during the latent period of these isometric contractions?
You correctly answered: All the steps of excitation-contraction coupling occur.
Experiment Data
Voltage (v) Length (mm) Active Force Passive Force Total Force Latent Period
(msec)
0 75 0 0 0 ----
3 75 1.04 0 1.04 ----
4 75 1.32 0 1.32 ----
4 75 1.32 0 1.32 0
2 75 0.66 0 0.66 0
3 75 1.04 0 1.04 0
4 75 1.32 0 1.32 0
5 75 1.51 0 1.51 0
6 75 1.65 0 1.65 0
7 75 1.74 0 1.74 0 i
https://media.pearsoncmg.com/bc/bc_0media_ap/physioex/10/ex2/act1/ 1/7
, 11/1/2020 PhysioEx Exercise 2 Activity 1
8 75 1.81 0 1.81 0
9 75 1.82 0 1.82 0
10 75 1.82 0 1.82 0
Voltage = 0 V
Voltage = 3 V
Voltage = 4 V
i
https://media.pearsoncmg.com/bc/bc_0media_ap/physioex/10/ex2/act1/ 2/7
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