Limbs Anatomy Flashcards
Posterior triangle of neck contains which part of brachial plexus?
Division
Axilla contains which part of the brachial plexus?
Cords and branches
Suprascapular and transverse cervical artery are branches of what?
Thyrocervical trunk
Enlarged left subclavicular lymph nodes - diagnosis?
Gastric cancer
Muscle initiate shoulder abduction
Supraspinatous.
Radial head articulates with
Capitulum
Radial head is enclosed in
Annular ligament
Pt can’t flex Distal Phalanx, which tendon injured?
FDP
Adductor pollicus muscle is supplied by
Ulnar nerve
Abductor polices Brevis of hand Is supplied by which nerve?
Median nerve
Pt’s hand on table can’t lift thumb to ceiling, which muscle injured?
Abductor pollicis brevis
Pt injured in the wrist on medial side. During Froment’s test, pt does abnormal pinching by flexing his thumb. Which muscle injured?
Adductor pollicus
Thenar Muscle supplied by
Median nerve (except for adductor pollicus)
Hypothenar Muscle supplied by
Ulnar nerve
In carpal tunnel release what muscle encountered superficial to it?
Palmaris longus
Scaphoid gets blood supply from
Radial artery at distal end
Proximal part of scaphoid fractures likely to have avascular necrosis
Relation of the ulnar n. to the ulnar a
Nerve is lateral to artery
Relation of the Median n. to the brachiaI a
Lateral, anterior, then medial
After axillary clearance, when she pick up a knife, her wrist flexes
Posterior cord injury
Axillary n. injury, the deltoid ms is affected, 2nd ms affected
Teres minor
Wrist Injury + Thenar imminence atrophy
Median nerve injury
Nerve specific for opposition
Recurrent branch of median nerve
Loss of thumb adduction
Deep ulnar nerve
Muscle extending the thumb
Extensor policis longus and brevis
Muscle abducting the thumb over palm
Abductor poliicus brevis
Loss of the little and ring finger movements, which nerve?
Ulnar nerve
Loss of interossei of the 4th finger, which nerve?
Ulnar nerve
Mid shaft humeral fracture/spiral groove fracture, which nerve at risk?
Radial nerve
Loss of sensation over the medial part of the hand, which nerve
Ulnar nerve
Patient cannot lift his hand from the table and cannot extend the DIP of the thumb
Radial nerve/posterior interosseus nerve
Loss of pincer movement of the thumb and the index when writing, sensation normal
Anterior interosseous nerve
Structures in the delto-pectoral groove you will meet during dissesction
Cephalic v.
Thoracoacromial a
Lateral pectoral n.
In clavical middle 1/3 # most likely to be injured
Subclavian vein
Origin of supraspintus, infraspinatus and teres minor
Dorsal aspect of scapula
Muscle with origin from ventral aspect of scapula
Subscapularis
Bicep attachment to humerus
Short head: supraglenoid tubercle
Long head: coracoid process.
Tricep attachment to humerus
lnfragelonid tubercle
Anatomical snuffbox bounderies
Post or Ulnar or Medial: Extensor pollicis longus
Ant or Radial or Lateral: Abductor pollicis longus + Extensor polllcls brevls.
Relation of Extensor indicis to the Extensor digitorum is
Deep and Ulnar.
Pt has complete loss of elbow extension after having deep wound on the back of arm
Ruptured triceps tendon
Pt fell out on stretched hand, carpal bone pain
Lunate dislocation.
Injury to hamate/pisiform will affect
Ulnar side flexor digiturom profundus
Complete loss of elbow extension and wrist extension after lacerated wound 6 cm above elbow, which nerve?
Raidal nerve
Supracondyler fracture with absent pulse
BrachiaI Artery Injury
Injury to upper limb with mild claw hand
Ulnar nerve at elbow