Muscles of the Upper Limb - Posterior Shoulder and Rotator Cuff Flashcards
Name nerve A
![](https://s3.amazonaws.com/brainscape-prod/system/cm/270/494/324/q_image_thumb.jpg?1513943814)
A - Dorsal scapular nerve
What is the function of muscle A?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/270/494/328/q_image_thumb.jpg?1513943815)
- Abductor of arm (beyond initial 15º achieved by supraspinatus)
- Flexion of arm (clavicular fibres)
- Extension of arm (posterior fibres)
A - Deltoid
What is the function of muscle A?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/270/494/329/q_image_thumb.jpg?1513943816)
Lateral rotation of arm (at glenohumeral joint)
A - Teres minor
N.b the teres minor is a rotator cuff muscle
Name muscle A
![](https://s3.amazonaws.com/brainscape-prod/system/cm/270/494/330/q_image_thumb.jpg?1513943817)
A - Infraspinatus
Name muscle A
![](https://s3.amazonaws.com/brainscape-prod/system/cm/270/494/333/q_image_thumb.jpg?1513943817)
A - Trapezius
Name muscle A
![](https://s3.amazonaws.com/brainscape-prod/system/cm/270/494/339/q_image_thumb.jpg?1513943819)
A - Teres major
Name muscle A
![](https://s3.amazonaws.com/brainscape-prod/system/cm/270/494/341/q_image_thumb.jpg?1513943820)
A - Levator scapulae
What is the function of muscle A?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/270/494/342/q_image_thumb.jpg?1513943821)
- Medial rotation of arm (at glenohumeral joint)
- Extension of arm (at glenohumeral joint)
A - Teres major
What is the innervation of muscle A?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/270/494/343/q_image_thumb.jpg?1513943822)
Axillary nerve (C5 and C6)
A - Deltoid
What is the function of muscle A?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/270/494/344/q_image_thumb.jpg?1513943823)
- Extension of forearm (at elbow joint)
- Adduction of arm (at glenohumeral joint)
- Extension of arm (at glenohumeral joint)
A - Long head of triceps brachii
What is the innervation of muscles A and B?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/270/494/352/q_image_thumb.jpg?1513943823)
Dorsal scapular nerve (C5 and C6)
A - Rhomboid minor
B - Rhomboid major
What are the spaces A, B and C?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/270/494/354/q_image_thumb.jpg?1513943824)
A - Triangular space
B - Quadrangular space
C - Trianglular interval
Name nerve A
![](https://s3.amazonaws.com/brainscape-prod/system/cm/270/494/355/q_image_thumb.jpg?1513943825)
A - Accessory nerve (XI)
What is the innervation of muscle A?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/270/494/357/q_image_thumb.jpg?1513943826)
Accessory nerve (XI) - Motor
Anterior rami of C3 and C4 - Sensory
A - Trapezius
Name nerve A
![](https://s3.amazonaws.com/brainscape-prod/system/cm/270/494/358/q_image_thumb.jpg?1513943827)
A - Axillary nerve
![](https://s3.amazonaws.com/brainscape-prod/system/cm/270/494/358/a_image_thumb.jpg?1513943827)