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43 Cards in this Set
- Front
- Back
Inlet of axilla
|
lateral margin of rib 1
clavicle superior margin of scapula to coracoid process |
|
Floor of axilla
|
skin of armpit
open laterally into arm |
|
Anterior wall of axilla
|
pectoralis major and minor
subclavius clavipectoral fascia |
|
Posterior wall of axilla
|
subscapularis
teres major latissimus dorsi long head of triceps |
|
Lateral wall of axilla
|
intertubercular sulcus
|
|
Medial wall of axilla
|
upper thoracic wall
serratus anterior |
|
Origin of pectoralis major
|
clavicular head: medial half of clavicle
sternocostal head: sternum, 1st 7 costal cartilages |
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Insertion of pectoralis major
|
intertubecular sulcus
|
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Innervation of pectoralis major
|
medial and lateral pectoral nerves
clavicular head: C5 sternocostal head: C7 |
|
Blood supply of pectoralis major
|
pectoral branch of thoracoacromial artery
lateral thoracic artery |
|
Function of pectoralis major
|
flexion, adduction, medial rotation of arm
clavicular head: flex of extended arm sternocostal head: extension of flexed arm |
|
Origin of subclavius
|
1st rib at articulation with sternum
|
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Insertion of subclavius
|
middle 1/3 of clavicle
|
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Innervation of subclavius
|
subclavius nerve
|
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Blood supply to subclavius
|
clavicular branch of thoracoacromial artery
|
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Function of subclavius
|
pulls tip of shoulder down, pulls clavicle medially
|
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Origin of pectoralis minor
|
ribs 3-5
|
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Insertion of pectoralis minor
|
coracoid process
|
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Innervation of pectoralis minor
|
medial pectoral nerve
|
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Blood supply of pectoralis minor
|
lateral thoracic artery
|
|
Function of pectoralis minor
|
pulls tip of shoulder down
protracts scapula |
|
Origin of serratus anterior
|
upper 8-9 ribs
|
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Insertion of serratus anterior
|
costal surface of medial border of scapula
|
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Innervation of serratus anterior
|
long thoracic nerve
|
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Blood supply of serratus anterior
|
lateral thoracic artery
thoracodorsal artery |
|
Function of serratus anterior
|
protraction and rotation of scapula
|
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Origin of biceps
|
short head: coracoid process
long head: supraglenoid tubercle of scapula |
|
Insertion of biceps
|
tuberosity of radius
|
|
Function of biceps
|
flexion and supination of forearm
some flexion in arm |
|
Origin of coracobrachialis
|
coracoid process
|
|
Insertion of coracobrachialis
|
medial mid shaft of humerus
|
|
Function of coracobrachialis
|
flexion of arm
|
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Innervation of anterior arm muscles
|
musculocutaneous nerve
|
|
Blood supply of anterior arm muscles
|
brachial artery
|
|
Origin of brachialis
|
anterior of humerus
|
|
Insertion of brachialis
|
ulnar tuberosity
|
|
Innervation of brachialis
|
musculocutaneous
small amount from radial |
|
Function of brachialis
|
flexion of forearm
|
|
Origin of triceps
|
long head: infraglenoid tubercle
medial head: posterior humerus lateral head: posterior humerus |
|
Insertion of triceps
|
olecranon
|
|
Innervation of triceps
|
radial nerve
|
|
Blood supply of triceps
|
brachial artery
profunda brachial artery ulnar collateral artery |
|
Function of triceps
|
extension of forearm
extension and adduction of arm |