QuestionSBA
QuestionChoice
The infraspinatus and teres minor are involved in the lateral rotation of the arm at the glenohumeral joint. These muscles are two of the four rotator cuff muscles.
10008559
e
Lateral rotation of the arm at the glenohumeral joint
QuestionChoice
The deltoid muscle abducts the arm beyond the initial 15<sup>o</sup> performed by the supraspinatus muscle. The clavicular fibres are involved in the flexion of the humerus and the posterior fibres assist in the extension of the arm.
10008555
a
Abduction of the arm beyond the initial 15<sup>o</sup>
QuestionChoice
Supraspinatus is responsible for the initiation of abduction of the arm for the initial 15<sup>o</sup>
10008556
b
Initiation of abduction of the arm for the initial 15<sup>o</sup>
QuestionChoice
The trapezius, levator scapulae, rhomboid minor and rhomboid major are involved in the elevation of the scapula.
10008557
c
Elevates the scapula
QuestionChoice
The rhomboid minor and rhomboid major are involved in the retraction of the scapula.
10008558
d
Retracts the scapula
Concept
Chapter
2693
5244
Shoulder muscles
Topic
258
Upper Limb Anatomy
14258
Picture
1653
163 - Shoulder muscles (deltoid).png
images/0yquhqsa1682950209451.jpg
images/0yquhqsa1682950209451_256.jpg
images/0yquhqsa1682950209451_512.jpg
qhgODQL3S3SYWYhWeIVnaBzQmoDZ
Topic
258
Upper Limb Anatomy
Which option best describes the action of the labelled muscle?

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a