Scelta multipla
Which two muscle groups work as antagonistic pairs in the leg?
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10. Muscles
Muscle Actions
Scelta multipla
Which of the following actions is performed by the external oblique muscle?
A
Abduction of the arm
B
Flexion of the vertebral column
C
Extension of the vertebral column
D
Dorsiflexion of the foot
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Identify the location and function of the external oblique muscle. The external oblique is a muscle located on the lateral and anterior parts of the abdomen.
Understand the primary actions of the external oblique muscle. It is involved in the flexion and rotation of the vertebral column, as well as compressing the abdominal contents.
Analyze the options given: Abduction of the arm, Flexion of the vertebral column, Extension of the vertebral column, and Dorsiflexion of the foot.
Recognize that abduction of the arm involves the shoulder muscles, extension of the vertebral column involves muscles like the erector spinae, and dorsiflexion of the foot involves muscles in the lower leg.
Conclude that the action performed by the external oblique muscle is flexion of the vertebral column, as it assists in bending the trunk forward.
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