Brachial Plexus
Name the five terminal branches
Musculocutaneous
Axillary
Radial
Median
Ulnar
What is located in the quadrangular space?
PCHA, axillary nerve
What is the distal attachment of flexor carpi radialis?
2nd metacarpal
What kind of joint is the radio-carpal wrist joint?
Condyloid
What are the two branches of the 2nd part of the axillary artery?
Thoraco-acromial trunk
Lateral thoracic artery
What two nerve roots combined to form the superior trunk?
C5 and C6
What kind of joint is the gleno-humeral joint?
Ball-and-socket
What is the innervation of the supinator?
Radial nerve
The interosseous muscles are all innervated by what nerve?
Ulnar nerve (PAD, DAB)
Pisiform, triquetrum, lunate, scaphoid
Name the three branches of the posterior cord
Upper subscapular
Thoracodorsal
Lower Subscapular
What is the distal attachment of the triceps brachii?
Olecranon of the Ulna
What is the synergistic action of the extensor carpi ulnaris with flexor carpi ulnaris?
ADDuction, ulnar deviation
What ligament transverses the carpal tunnel on the palmar surface?
Flexor retinaculum
What three muscles both medially rotate AND ADDuct the arm?
Teres major, lat dorsi, pectoralis major (lady between two majors)
What nerve from the brachial plexus runs with the lateral thoracic artery? Bonus points: what muscle does it innervate?
Long thoracic, serratus anterior
(Supraspinatus) - suprascapular nerve.
What muscles of the forearm are innervated by the ulnar nerve?
Flexor digitorum profundus (lateral 1.5), flexor carpi ulnaris
What kind of joint is the radio-carpal wrist joint?
Condyloid
What muscle is absent in about 14% of the population AND what is Tyler's middle name? (The TA)
Palmaris Longus; Jon
What was the key nerve implicated in Maisie's broken finger?
Ulnar nerve
Subscapularis
Annular Ligament
The deep palmar arch is supplied mainly by what artery?
Radial Artery
Name three vessels that anastomose around the scapula
Suprascapular, subscapular, dorsal scapular artery, circumflex scapular artery