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Anatomy Exam 5
Ligaments, muscles, nerves, arteries and bones of the shoulder
21
Anatomy
Undergraduate 1
04/01/2009

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Term
What does the Scapula look like?
Definition
thin, flat, triangular bone
Term
The Two surfaces of the scapula
Definition
-Anterior or costal surface subscapular fossa
-Posterior or dorsal surface -- supraspinous fossa & infra spinous fossa
*THESE ARE THE TWO SURFACES OF WHAT?
Term
Spine of Scapula
-Where does it project?
-Where is it located?
-What does it become
Definition
Projects lateral and superior and becomes acromion process
-At the level of T3
Term
Coracoid Process
-Where is it?
Definition
Anterior--inferior to clavicle
Term
Acromion Process
-What is it?
Definition
flattened extension of spine
Term
Suprascapular notch
-Where is it?
Definition
medial to coracoid process
Term
Glenoid fossa
-What is it shaped like?
-What articulates here?
-Stable or unstable?
Definition
-pear shaped and narrow superior
-head of humerus articulates here---unstable
Term
Glenoid Neck
-Where?
-What can you view?
Definition
between glenoid fossa and body of scapula
-can view posterior
Term
What are the Scapular borders?
-What do the terms mean?
Definition
-Medial (vertebral) [closest to vertebral column]
-Lateral (axillary) [armpit]
-Superior -- intersects laterally with the coracoid process
Term
What are the Scapular Angles?
-What do the terms mean?
Definition
Inferior -- level of T7
Superior -- region fo the levator scapulae
Lateral -- expands to become the glenoid fossa and articulates with the humeral head
Term
Where is Supraglenoid Tubercle?
-Attachment?
Definition
upper border of glenoid and base of coracoids
-Attachment for long head of biceps
Term
Where is the Infraglenoid tubercle?
Attachment?
Definition
upper end of lateral border of scapula below glenoid fossa
-attachment for long head of triceps
Term
What is the humerus
Definition
long bond of the upper arm--also known as the brachium
Term
What are the tubricles of the humerus?
Definition
-greater tuberosity -extends beyond the lateral border of the acromion

-lesser tuberosity -- insertion for the subscapularis muscle
(seperated by the intertubercle or bicipital groove)
Term
What are the greater tuberosity and the lesser tuberosity of the humerous separated by?
-What does this structure allow?
Definition
Tubercles are seperated by the intertubercle or bicipital groove.
-allows for long head of biceps brachii tendon to pass through
Term
What articulates with the head of the humerus?
Definition
articulates with the glenoid fossa
Term
What is the deltoid tuberosity?
-What is its insertion?
Definition
lateral aspect of the humerus
-Insertion for the deltoid muscle
Term
Where is the radial groove?
What is the readial groove?
Definition
posterior and inferior to the deltoid tuberosity
-accomodates the radial nerve and profunda brachii artery
*when you hear radial nerve, think extension*
Term
Neck of the humerus
What is the anatomical neck?
What is the Surgical neck?
Definition
-Separates the head of the tubercles
-distal to the tubercles and a junction between the proximal end and the body
Term
The surgical neck of the humerus has direct contact with what nerve?
Definition
-axillary nerve has direct contact with which neck of the humerus?
Term
Which is a common site for fractures (anatomical or surgical)?
Definition
surgical
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