MSK Session 1 DR- The Pectoral Region Flashcards
0
Q
Which ribs is pec. Minor attached to?
A
3-5
1
Q
What are the 3 functions of pec. Major?
A
- adduction of the arm
- medial rotation of the arm
- flexion of the arm
2
Q
What is pec. Major innervated by?
A
The medial and lateral pectoral nerves
3
Q
What is pec minor innervated by?
A
The medial pectoral nerve
4
Q
What is the function of pec minor? (2)
A
Allows protraction of the upper limb
Depresses scapula and stabilises it
5
Q
Where is subclavius found?
A
Inferior to the clavicle
6
Q
What is subclavius innervated by?
A
The nerve to subclavius
7
Q
What does subclavius do?
A
Help resist dislocation of the clavicle from the sterno-clavicular joint.
8
Q
What does the Serratus anterior do to the scapula? (3)
A
- hold the scapula against the thoracic wall
- rotates the scapula
- protraction
9
Q
What is the Serratus anterior innervated by?
A
The long thoracic nerve
