Use the mean measurement from the table above to compute the percentage change in EMG activity recorded between the weakest clench and the strongest clench of Forearm 1. Show calculation and answer below (%).
Use the mean measurement from the table above to compute the percentage change in EMG activity recorded between the weakest clench and the strongest clench of Forearm 1. Show calculation and answer below (%).
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Use the mean measurement from the table above to compute the percentage change in EMG activity recorded between the weakest clench and the strongest clench of Forearm 1. Show calculation and answer below (%).

Transcribed Image Text:Cluster
Forearm 1 (Dominant)
Forearm 2
Channel 40, mean
Channel 40, mean
1 (empty fist,
0.02173 mV-sec
0.03510 mV-sec
close hand only)
2 (squish yellow
0.045145 mV-sec
0.07826 mV-sec
ball until flat)
3 (tennis ball,
0.26733 mV-sec
0.29858 mV-sec
maximum
contraction
*Note: "Clusters" are the EMG bursts associated with each clench.
Table 2: Tonus Measurements
Between Clenches
Forearm 1 (Dominant)
Forearm 2
Channel 40, mean
Channel 40, mean
1-2
0.01221 mV-sec
0.01411 mV-sec
2-3
0.01720 mV-sec
0.01853 mV-sec
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