Which of the following statements about movement and...

Name: Problem 9, Chapter 44: Biology
Uploaded: 2021-06-28T15:18:32-08:00
Duration: 1 min 31 s
Channel: Christina Sorrentino
Description: Which of the following statements about movement and locomotion is false? a. Terrestrial animals and flying animals expend cnergy to provide lift. b. Swimming animals expend encryy to provide thrust but not lift. C. Flexors and extensors are examples of muscles called agonists. d. Flexors cause bersding at a joint. c. Extensors cause straightening of a limb.

Which of the following statements about movement and locomotion is false? a. Terrestrial animals and flying animals expend cnergy to provide lift. b. Swimming animals expend encryy to provide thrust but not lift. C. Flexors and extensors are examples of muscles called agonists. d. Flexors cause bersding at a joint. c. Extensors cause straightening of a limb.

Which of the following statements about movement and locomotion is false?
a. Terrestrial animals and flying animals expend cnergy to provide lift.
b. Swimming animals expend encryy to provide thrust but not lift.
C. Flexors and extensors are examples of muscles called agonists.
d. Flexors cause bersding at a joint.
c. Extensors cause straightening of a limb.

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Key Concepts

Locomotion Mechanics

This concept covers the physical principles behind how animals move, including the use of forces such as lift and thrust. In various environments—land, air, or water—different strategies are applied for movement, which involve the transformation of energy to overcome resistance and achieve propulsion.

Muscle Contraction and Classification

This refers to the categorization of muscles based on their roles during movement. Agonist muscles initiate and carry out movement while antagonist muscles oppose or regulate that movement. Understanding how muscle groups, especially those involved in flexion (bending) and extension (straightening), work together is crucial in analyzing locomotion.

Joint Movement and Mechanics

This involves the study of how joints operate through the coordinated action of muscles. Specific muscle groups effect movement at a joint, leading to actions such as bending (flexion) or straightening (extension), which are essential for effective and controlled locomotion.

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