5/27 a/n shoulder

Question 1

suprascapular artery

Answer 1

• thyrocervical
• passes inferolaterally crossing anterior scalene, phrenic nerve, subclavian artery, brachial plexus,
• run laterally posterior and parallel to clavicle
• over scapular ligament to supraspinous fossa
• then laterally to soine to infraspinous fossa

Question 2

posterior circumflex humeral

Answer 2

• axillary artery

- encircle surgical neck of humeus

Question 3

profunda brachial artery (deep)

Answer 3

• brachial artery
• acompanies radial nerve along radial groove of humerus, supplying post of arm
• participate in oeriarticular arteial anastomoses around elbow joint

Question 4

suprascapular nerve

Answer 4

• superior trunk, receiving fibers from c5
• passes laterally across lateral cervical region
• superior to brachial plexus
• through scapular notch deep to transvers scapular ligament
• supraspinatus, infraspinatus, glenohumeral joint

Question 5

axillary nerve

Answer 5

• terminal branch of posterior cord
• receiving fibers from C5
• exits axillary fossa posteriorly, passing through auDrangular space with posterior circumflex humeral artery
• give rise to sulerior lateral brachial cutaneous nerve
• winds around surgical neck deep to deltoid

-glennumeral joint, teres minor, deltoid, skin of superolateral arm