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Shoulder
bones, vessels, ligaments, and muscles of the shoulder
19
Anatomy
Graduate
02/19/2012

Additional Anatomy Flashcards

 


 

Cards

Term
Clavicle
Definition

Sternoclavicular joint, Acromoclavicular joint

 

Term
Sternoclavicular joint
Definition
only joint connecting upper limbs to axial skeleton
Term
Coracoclavicular ligament
Definition

connects clavicle to coracoid of scapula

 

made up of trapeziod ligament on lateral side and conoid ligament to medial side

Term
acromioclavicular ligament
Definition

ligament connecting clavicle to acromion of scapula

 

Term
transverse humeral ligament
Definition
crosses between tubercles, and covers the intertubecular groove
Term
pectoralis major
Definition

adducts and medially rotates arm

medial and lateral pectoral nerves

 

Term
serratus anterior
Definition

rotates scapula, and keeps scapula flush with thorax

 

connects between ribs 1-8 (sometimes 9) and vertebral side of scapula

 

long thoracic nerve

Term
Pectoralis minor
Definition

from ribs 3-5 to coracoid of scapula

medial pectoral nerve

thoracoacromial artery

Term
deltoid
Definition

stabilizes shoulder

 

3 parts:

anterior- flex and medially rotate arm

middle- abduct arm

posterior- extend and laterally rotate arm

 

axillary nerve

 

blood from posterior humeral circumflex and thoracoacromial arteries

Term
teres major
Definition

secures humeral head during abduction, medially rotates and adducts arm

 

lower subscapular nerve

 

circumflex scapular artery

Term
rotator cuff muscles
Definition

SITS:


supraspinatus

infraspinatus

teres minor

subscapularis

Term
supraspinatus
Definition

first 15 degrees of abduction of arm

 

suprascapular nerve

 

suprascapular artery

Term
infraspinatus
Definition

lateral rotation of arm

 

suprascapular nerve

 

suprascapular and circumflex scapular arteries

Term
teres minor
Definition

adduction and lateral rotation of arm

 

axillary nerve

 

circumflex scapular artery

Term
subscapularis
Definition

only muscle that attaches to the lesser tubercle of humerus

 

medial rotation of arm

 

upper and lower subscapular nerves

 

lateral thoracic and subscapular arteries

Term
axillary artery
Definition

from first rib to inferior border of teres major, divided into three parts

  • First part - the part of the artery medial to pectoralis minor
  • Second part - the part of the artery that lies behind pectoralis minor
  • Third part - the part of the artery lateral to pectoralis minor

continuation of the subclavian artery

Term
axillary artery branches
Definition

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S uperior Thoracic

T horacoacromial

L ateral thoracic artery

S ubscapular Artery

A nterior humeral artery

P osterior humeral artery

Term
quadrangular space
Definition

hole bordered by teres major, teres minor, humerus, long head of triceps

 

axillary nerve and humeral circumflex pass through here

Term
triangular interval
Definition

space bordered by lond and lateral head of triceps and teres major

 

radial nerve and profunda brachii artery pass through here

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