Chest

Question 1

Pectoralis Mjr attachments

Answer 1

Medial half of clavicle, sternal cartilage of ribs 1-6 and bicipital groove

Question 2

Pectoralis Mjr movements

Answer 2

Flexion, adduction and medial rotation of shoulder

Question 3

Pectoralis Mjr nerve supply

Answer 3

The clavicular head derives its nerve supply from the lateral pectoral nerve. C5-7
The medial pectoral nerve innervates the sternocostal head. C8-T1

Question 4

Pectoralis Mjr

Answer 4

Clavicular fibres - Pts palm facing you, resist movement towards pts opposite shoulder.
Sternal fibres - Pt aims thumb at opposite hip and stabilse at opposite hip.

Question 5

Pectoralis minor attachments

Answer 5

Ribs 3-5 and coracoid process

Question 6

Pectoralis minor movements

Answer 6

Protraction, depression and downward rotation of scapula

Question 7

Pectoralis minor nerve supply

Answer 7

Medial pectoral nerve C8-T1

Question 8

Pectoralis minor

Answer 8

Supine - Just resist shoulder as Pt tries to lift it off the table.
Prone - humerus abducted 90, elbow bent and fist clenched, resist downwards movement of fist.

Question 9

Serratus anterior attachments

Answer 9

Outer surface of ribs 1-8 and ant surface of vertebral border of scap

Question 10

Serratus anterior movements

Answer 10

Protraction and upward rotation of scap.
Stabilises scapula vs chest wall.

Question 11

Serratus anterior nerve supply

Answer 11

Long thoracic nerve (C5-7)

Question 12

Serratus anterior

Answer 12

Upper fibres - humerus flexed 90, elbow locked and resist movement towards couch.
Lower fibres - Resist other way.