HGA exam 1 posterior should & arm
How does the radial nerve sit on the humerus
-spirals around the posterior humeral shaft then travels in the radial groove with the deep brachial artery
How many bones are in the upper limb bones
32
What structure is highlighted in green?
Acromial facet of the clavicle
what are the branches of the posterior cord of the brachial plexus
Axillary nerve radial nerve
What structure is highlighted in green?
acromial end of clavicle
What structure is highlighted in purple?
acromion process
What structure is highlighted?
anatomical neck of humerus
What artery runs through the triangular space
circumflex scapular a.
What bones are in the pectoral girdle
clavicle scapula
What structure is highlighted in green?
conoid tubercle of clavicle
What structure is highlighted in purple?
coracoid process
What nerve and artery runs through the triceps hiatus
deep brachial a. radial n.
Regions of the upper limb
deltoid region axilla brachium cubitus antebrachium carpal region manus -palm (anterior) -dorsum (posterior) digits -pollex (thumb)
what arteries make up the scapular anastomoses (scapular arcade)
dorsal scapular a. suprascapular a. circumflex scapular a.
Arteries that supply the scapular region
dorsal scapular a. suprascapular a. subscapular a. circumflex scapular a.
What are the nerves of the posterior shoulder and arm
dorsal scapular n. suprascapular n. upper subscapular n. lower subscapular n. thoracodorsal n. long thoracic n.
What structure is highlighted?
glenoid fossa/ cavity
What structure is highlighted?
greater tubercle of humerus
What structure is highlighted?
head of the humerus
What structure is highlighted?
inferior angle of scapula
What structure is highlighted?
infraglenoid tubercle of scapula
What structure is highlighted?
infraspinous fossa
What structure is highlighted?
intertubercular sulcus of the humerus
What structure is highlighted?
lateral border of scapula
What structure is highlighted?
lesser tubercle of humerus
What structure is highlighted?
medial border of scapula
radial nerve supplies
posterior arm, forearm, and hand Motor: posterior brachial and antebrachial compartments Sensory: posterior arm and forearm and lateral half of dorsum of hand
What nerve and artery runs through the quadrangular space
posterior circumflex humeral a. axillary n.
Axillary nerve supplies
posterior shoulder motor: deltoid and teres minor mm. sensory: skin of the lower deltoid region
Spaces of the posterior shoulder
quadrangular space triangular space triceps hiatus scapular notch/foramen
What structure is highlighted?
scapular notch
What structure is highlighted in green?
spine of scapula
What structure is highlighted in green?
sternal end of clavicle
What structure is highlighted in green?
sternal facet of the clavicle
What structure is highlighted?
subscapular fossa
What structure is highlighted?
superior angle of scapula
What makes the scapular notch the suprascapular foramen
superior transverse scapular ligament
What structure is highlighted?
supraglenoid tubercle of scapula
What nerve runs through the scapular notch
suprascapular n.
What structure is highlighted?
supraspinous fossa
What structure is highlighted?
surgical neck of humerus
