These figures show that: Group of answer choices eccentric contractions place a greater demand on the cardiovascular and nervous systems compared to concentric contractions concentric contractions are easier to perform than eccentric contractions concentric contractions require more oxygen and more EMG than eccentric contractions eccentric contractions use less oxygen but more EMG than concentric contractions
These figures show that: Group of answer choices eccentric contractions place a greater demand on the cardiovascular and nervous systems compared to concentric contractions concentric contractions are easier to perform than eccentric contractions concentric contractions require more oxygen and more EMG than eccentric contractions eccentric contractions use less oxygen but more EMG than concentric contractions
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
These figures show that:
Group of answer choices
eccentric contractions place a greater demand on the cardiovascular and nervous systems compared to concentric contractions
concentric contractions are easier to perform than eccentric contractions
concentric contractions require more oxygen and more EMG than eccentric contractions
eccentric contractions use less oxygen but more EMG than concentric contractions
Transcribed Image Text:S
Vo₂ (1-min-¹)
A
3.0
2.5
2.0
1.5
1.0
T
T
0.57
Concentric
(50)
+
10
*H
Eccentric
Exercise rate
(150)
(100)
20
Integrated EMG (counts-min-¹)
B
800
600
400
200
L
I
I
I
(50)
30
10
Mean torque on pedals (Nm)
Concentric
(100)
20
Eccentric
Exercise rate
(200)
(150)
30
40
Expert Solution
Step 1
Isotonic muscle contractions maintain a constant tension in the muscle and cause a change in the length of the muscle. Whereas in isometric contraction, the length of the muscle remains constant and the tension in the muscle changes.
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