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,...
Related questions
Question
100%
D4
Transcribed Image Text:How did different conditions affect muscle contraction (ie. strength)?
rest Hand
rest
rest
Hand
extended with
weight
Hand flexed
with weight
extended
Hand Positions
Figure 1. Muscle Electrical Activity for Different Hand Positions
Change in Electrical Activity (mV)
1.5
H
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