Shoulder 1 Flashcards
1
Q
What causes drop shoulder
A
Injury to accessory nerve and paralysis of trapezius
2
Q
What are the actions of latissimus Dorsi?
A
‘Back scratch’: Adduction, extension of arm, medial rotation
Climbing and elevation of the trunk
3
Q
What are the roots of long thoracic nerve?
A
C5,6,7
4
Q
What causes winged scapula?
A
Damage to nerve supplying Serratus anterior muscle (long thoracic nerve) during mastectomy.
5
Q
Which muscle performs lateral rotation of the arm?
A
Infraspinatus
