P4 Gross Anatomy of Pectoral, Axilla, Scapula

what is depicted

deltoid muscle

what is a

teres minor muscle

what is b

teres major muscle

what is c

infraspinatus muscle

what is d

supraspinatus muscle

Deltoid
O:
I:
F:
N:
A:

O: spine of scapula, acromion, lateral third of clavicle
I: deltoid tuberosity of humerus
F: abduct humerus
N: axillary nerve
A: posterior circumflex humeral artery

Teres Minor
O:
I:
F:
N:
A:

O: lateral border of scapula
I: lower facet of greater tubercle humerus
F: laterally rotate humerus, rotator cuff
N: axillary nerve
A: subscapular, circumflex scapular, posterior circumflex humeral artery

Teres major
O:
I:
F:
N:
A:

O: inferior angle scapula
I: medial lip intertubercular sulcus of humerus (bicipital groove)
F: adduct and medially rotate humerus
N: lower subscapular nerve
A: posterior circumflex humeral and thoracodorsal subscapular artery

Supraspinatus
O:
I:
F:
N:
A:

O: supraspinous fossa of scapula
I: highest facet of greater tubercle humerus
F: initiate abduction of humerus, rotator cuff
N: suprascapular nerve
A: suprascapular and dorsal scapular artery

Infraspinatus
O:
I:
F:
N:
A:

O: infraspinous fossa of scapula
I: middle facet of greater tubercle of humerus
F: laterally rotate humerus, rotator cuff
N: suprascapular nerve
A: suprascapular nerve and circumflex scapular

Pectoralis Major
O:
I:
F:
N:
A:

O: sternal bone, clavicle
I: intertubercular groove of humerus
F: flex, adduct, medially rotate humerus
N: medial and lateral pectoral nerve
A: thoracoacromial and superior thoracic artery

Pectoralis Minor
O:
I:
F:
N:
A:

O: ribs 3-5
I: coracoid process of scapula
F: draws glenoid cavity of scapula anterior and inferiorly
N: medial and lateral pectoral nerve
A: thoracoacromial artery

Subclavius
O:
I:
F:
N:
A:

O: first rib and costal cartilage
I: inferior surface of middle clavicle
F: depress clavicle
N: subclavian nerve C5-6
A: clavicular branch of thoracoacromial artery

Serratus Anterior
O:
I:
F:
N:
A:

O: ribs 1-8
I: anterior scapula surface at subscapular
F: lift ribs for respiration, scapula protraction and rotation
N: long thoracic nerve
A: lateral thoracic artery

Subscapularis
O:
I:
F:
N:
A:

O: subscapular fossa
I: lesser tubercle of humerus
F: medially rotate humerus, rotator cuff
N: upper and lower subscapular nerve
A: subscapular artery

what is a

suprascapular nerve and artery

what is b

acromion

what is c

quadrangular space

what does quadrangular space contain

axillary nerve and posterior circumflex humeral artery

what is d

triangular space

what does triangular space contain

circumflex scapular artery

what is a

deltopectoral triangle

what is b

clavicular head of pectoralis major

what is c

sternocostal head of pectoralis major

what is d

pectoralis major muscle

what is e

deltopectoral groove

what is f

serratus anterior muscle

what is g

subclavius muscle

what is h

coracoid process

what is i

pectoralis minor muscle

what is a

subscapularis muscle

what is b

teres major muscle

what is c

latissimus dorsi muscle

what is d

upper subscapular nerve

what is e

middle subscapular nerve

what is f

lower subscapular nerve

what is g

subscapular nerves

what is h

posterior cord

what is i

coracoid process of scapula

what is j

greater tubercle

what is k

lesser tubercle

what is L

axillary nerve

what is m

posterior circumflex humeral artery

what is n

circumflex scapular artery

what are examples of superficial veins

cephalic, basilic

what blood vessel goes through deltopectoral triangle

cephalic vein

what blood vessel goes through deep fascia

basilic vein

what is a

intertubercular sulcus (bicipital groove)

what is b

supraglenoid tubercle

what is c

coracoid process

what is d

superior angle

what is e

clavicle

what is f

glenoid cavity

what is g

medial border

what is h

subscapular fossa

what is i

lateral border

what is j

inferior angle

what is k

deltoid tuberosity

what is L

lesser tubercle

what is m

greater tubercle

what is n

acromion

what is o

suprascapular notch

what is p

supraspinous fossa

what is q

head of humerus

what is r

infraspinous fossa

what is s

anatomical neck of humerus

what is t

surgical neck of humerus

what passes over the superior transverse scapular ligament

suprascapular artery

what passes under the superior transverse scapular ligament

suprascapular nerve

what muscles are a part of the rotator cuff group

supraspinatus, infraspinatus, teres minor, subscapularis

location of breast

lateral sternum to midaxillary and ribs 2-6, lying above pectorial fascia

what is 1

deltoid branch of thoracoacromial artery

what is 2

acromial branch of thoracoacromial artery

what is 3

clavicle branch of thoracoacromial artery

what is 4

pectorial branch of thoracoacromial artery

what muscle is attached to medial wall of axilla

serratus anterior

list from superior to inferior the main veins

subclavian, axillary, brachial

axillary artery starts where

lateral border of first rib

brachial artery starts where

inferior border of teres major

parts of axillary artery are divided by

pectoralis minor

part 1 of axillary artery gives rise to

superior thoracic artery

part 2 of axillary artery gives rise to

thoracoacromial artery, lateral thoracic artery

part 3 of axillary artery gives rise to

subscapular, posterior circumflex humeral, anterior circumflex humeral artery

superior thoracic artery supplies what

first and second intercostal space

lateral thoracic artery supplies what

pectorial, serratus anterior, breast

subscapular artery divides into what

circumflex, thoracodorsal

posterior and anterior circumflex humeral arteries supply what

deltoid

brachial plexus has what cords

lateral, medial, posterior

what terminal branches make up the letter M from lateral to medial

musculocutaneous, median, ulnar

middle subscapular nerve AKA

thoracodorsal

upper subscapular nerve supplies what

subscapularis muscle

lower subscapular nerve supplies what

subscapularis muscle, teres major