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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Question 19 to 23

Transcribed Image Text:### Exercise Physiology Worksheet
#### 19. Define myoplasticity and predict the changes that would occur to muscle fibers with endurance and resistance training.
| Variable | Endurance Training | Resistance Training | Disuse |
|-----------------------------------|--------------------|---------------------|--------|
| Diameter of fiber | | | |
| Number of myofibrils | | | |
| Number of blood vessels | | | |
| Number of mitochondria | | | |
#### 20. List and describe four factors that lead to muscle fatigue.
a.
b.
c.
d.
#### 21. Would you expect to find larger motor units in the postural muscles of the back or the muscles of the hand? Explain your answer.
#### 22. What conditions does excess post-exercise oxygen consumption help to correct?
#### 23. What are the two types of smooth muscle? How are they different? Give an example of each in the body.
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