Upper Limb Anatomy Flashcards
Damage to which nerve causes winging of the scapula?
Long thoracic nerve injury
Which nerve root involved in herbs palsy?
C5,6
Features of Erbs palsy?
Adducted, medially rotated shoulder, elbow fully extended forearm pronated
Which muscle is supplied by the long thoracic nerve?
Serratus anterior
Which nerve is at risk during mastectomy/ nodal dissection?
Long thoracic
Where does the flexor digit minimi originate from?
Hook of hamate
As well as the long thoracic nerve, which other nerve is at risk during an axillary nerve dissection?
The Thoracodorsal nerve
From which nerve root is the long thoracic nerve?
C5,6,7
What are the features of Klumpkes palsy?
Claw hand, loss of sensation of medial forearm and hand, Horners syndrome, loss of wrist flexion
Which nerve root is damaged in klumke palsy?
C8, T1
How many extensor tunnels are found at the wrist?
6
What triangle is the accessory nerve found in?
Posterior triangle of the neck
Acronym and branches for axillary artery?
STLSAP - Superior thoracic, Throracoacromial, Lateral thoracic, subscapular, anterior humeral circumflex, posterior humeral circumflex
What is the blood supply of the scaphoid bone?
the dorsal carpal branches
How are the cords of the brachial plexus named?
in relation to the axillary artery - lateral, posterior, medial
Branches of the subclavian artery?
VITCD - vertebral artery, internal thoracic artery, tuyrocerical artery, costocervical, dorsal scapular artery
Which muscle attaches to the anterior elbow fibrous capusule?
brachialis
Where does the subscapular muscle attach?
lesser tuberosity of humerus
What causes flexion of the distal and proximal phalanges of hand?
proxima- superficialis, distal profundus
What does the carpal tunnel contain?
flexor dig prof, flex dig sup, flex poll long
What happens if the anterior interosseous nerve is damaged?
Loss of pincer of the thumb and index fingers
What is pronator teres muscle innervated by?
Median nerve
Where is the ulnar nerve in relation to the flexor retinaculum?
Superficial
Where’s the ulnar artery in relation to the extensor retinaculu,?
Superfical
Which artery supplies majority of blood to the breast?
Internal mammary artery
Name medial and lateral borders of the anatomical snuffbox?
medial - extensor pol long, lateral abd pol long
What is the risk of an aberrant ganzer muscle?
there is compression of the anterior interosseous nerve
What makes up posterior cord?
STAR - subscapular, thoracodorsal, axillary, radial W
Which nerve at risk with a surgical neck of humerus fracture?
the axillary nerve
What causes nipple retraction in breast cancer?
infiltration of breast ligaments/ breast ducts
Which muscle is predominantly responsible for internal rotation of the shoulder?
subscapular
What effect would a transected axillary nerve have?
weak teres minor and reduced sensation on regimental badge
where does supra scapular nerve branch of brachial plexus?
c5,6
What are the 3 parts of the axillary artery related to?
the pectoralis minor
Where does then lateral cutaneous nerve derrive from?
the musculocutaneous nerve
