Multiple Choice
Which muscle relaxes when the arm flexes?
167
views
10. Muscles
Muscle Actions
Struggling with Anatomy & Physiology?
Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Which muscle action is primarily responsible for shrugging the shoulders?
A
Elevation of the scapula
B
Protraction of the scapula
C
Retraction of the scapula
D
Depression of the scapula
Verified step by step guidance1
Identify the anatomical structure involved in shrugging the shoulders, which is the scapula.
Understand the movement of shrugging: it involves lifting the shoulders upwards.
Recognize that the upward movement of the scapula is referred to as 'elevation'.
Differentiate between the terms: 'elevation' (lifting upwards), 'protraction' (moving forward), 'retraction' (moving backward), and 'depression' (moving downward).
Conclude that the primary muscle action responsible for shrugging the shoulders is the elevation of the scapula.
Related Videos
Related Practice
