pectoral region

Question 0

Pectoralis Major : proximal

Answer 0

Medial ½ of clavicle, sternum, upper 6 costal cartilages, external oblique

Question 1

Pectoralis Major: Innervation

Answer 1

Lateral and Medial Pectoral Nerves

Question 2

Pectoralis Major : Action

Answer 2

adduct, medial rotation, flexion ( clavicular head) , extension of humerus (sternal head)

Question 3

Pectoralis Major : distal

Answer 3

Intertubercular groove of the humerus

Question 4

Pectoralis Minor: Proximal

Answer 4

Ribs 3-5

Question 5

Pectoralis Minor: Distal

Answer 5

Coracoid Process of scapula

Question 6

Pectoralis Minor : Innervation

Answer 6

Medial Pectoral Nerve

Question 7

Pectoralis Minor : Action

Answer 7

Draws scapula inferior and anterior against thoracic wall

Question 8

Subclavius: Proximal

Answer 8

1st rib

Question 9

Subclavias: Distal

Answer 9

3rd of clavicle

Question 10

Subclavius: Innervation

Answer 10

Nerve to subclavius

Question 11

Subclavian: Action

Answer 11

Anchors and depresses clavicle, an extra layer of protection

Question 12

Serratous Anterior “Boxers Muscle” : Proximal

Answer 12

Ribs 1-8

Question 13

Serratous Anterior “Boxers Muscle” : Distal

Answer 13

Medial border of Scapula

Question 14

Serratous Anterior “Boxers Muscle” : Innervation

Answer 14

Long thoracic Nerve

Question 15

Serratous Anterior “Boxers Muscle” : Action

Answer 15

Holds scapula against thoracic wall rotates scapula

Question 16

Breast

Answer 16

Adipose Tissue, Glands, Ducts, Suspensory ligaments, retromammary space

Question 17

Lympatics

Answer 17

More than 75% of lymph from breast drains into axillary nodes, in particular the pectoral ( anterior) nodes

   - Cervical 
   - Parasternal
   - Abdominal