Flashcards in Movement upper limb Deck (74)
Partial absence of a limb
Hand attached to shoulder (thalidomide)
Borders of quadrangular space
Med-long head triceps brachii
Inf- teres major
What secretes Fgf10? What does it do?
Lateral plate mesoderm, thickens ectoderm- apical ectodermal ridge which secretes Fgf4 and 8 - progress zone, proximodistal growth
What controls dorsoventral development of limbs?
Wnt7 (dorsal) and Engrailed-1 (ventral, inhibits wnt7)
Secreted by ectoderm
What controls craniocaudal development of limb?
Shh secreted by caudal zone of polarising activity, diffuses in cranial direction
Extensors of the upper limb come from the anterior or posterior condensation, which comes from the dorsal epimere or the ventral hypomere?
Posterior condensation from the ventral hypomere
Pectoral girdle = ?+?
Scapula and clavicle
Nerve supply to levator scapulae, rhomboid maj and min?
Dorsal scapular nerve
Which shoulder muscles are not part of the rotator cuff
Deltoid and teres major
Supraspinatus and infraspinatus nerve supply
Teres minor innervation
Teres major innervation
Upper and lower sub-scapular
What runs in the quadrangular space
Post circumflex humeral artery
Clavipectoral/deltopectoral triangle- borders and contents
Deltoid, pec maj and clavicle
Innervation of pec maj
Medial and lateral pectoral nerves
Innervation of pec min
medial pectoral nerve
Innervation of serratus anterior
Innervation of subclavius
nerve to subclavius
Damage to long thoracic nerve results in what sign?
Med- upper thoracic wall, serr ant
Lateral- intertubercular sulcus of humerus
Anterior- pect maj and min, subclavius, clavipectoral fascia
Posterior- subscapularis, teres major, latissimus dorsi, long head triceps brachii
Contents of the neurovascular bundle that passes through the axilla?
Brachial plexus, axillary artery and vein, lymph
Neve supply to index finger palmar side
Nerve supply to dorsum of hand caudal side
What does the median cubital vein connect?
Basilic and cephalic veins
From where does the cephalic vein arise?
Dorsal veins of the hand
What does the basilic vein become in the arm when it pierces the deep fascia?
Nerve to anterior compartment of arm
Artery to anterior compartment of arm
Posterior compartment of arm contents?
Triceps nerve supply
What structures run in the spiral groove of the humerus? Is this superior or inferior to teres major
Radial nerve and deep brachial artery
Dislocation of the lunate bone may lead to compression of which nerve?
Contents of cubital fossa
Biceps brachii tendon
Flexor compartment is innervated by which nerve? Except?
Median, except flexor carpi ulnaris and the medial half of flexor digitorum profundus which are innervated by the ulnar nerve
What structures pass through the carpal tunnel?
Tendons of :
-flexor pollicis longus
-flexor digitorum superficialis and profundus
Extensor compartment of forearm is innervated by
Hypothenar eminence nerve
Deep branch ulnar
Medial 2 - deep ulnar
Lateral 2 - median digital branches
Thenar eminence nerves
Cubital fossa borders
Med- pronator teres
Borders of anatomical snuff box
Ant- abductor pollicis longus and extensor pollicis brevis
Post- extensor pollicis longus
Which direction are most elbow dislocations?
Elbow dislocation associated nerve injury?
Fracture of surgical neck of humerus injures which nerve?
Fracture of humeral shaft injures which nerve
Radial (spiral groove. Wrist drop)
Supracondylar fracture of humerus injury to what?
Median nerve and brachial artery
Which carpal bone is most commonly dislocated?
Ulnar nerve and artery run in what in the wrist?
Ulnar nerve damage = what sign?
Colles fracture is where and results in what appearance of the wrist?
Dinner fork appearance
Most shoulder dislocations are in which direction?
Shoulder is which dermatome?
Damage to C5 and C6 is which palsy? What sign? How may it occur
Stretching neck when baby delivered, or fall from a height onto neck
Damage to C8 T1 is which palsy?
Claw hand as intrinsic hand muscles are paralysed
Pulling arm a lot
Klumpke's palsy plus elbow pain=?
Cubital fossa syndrome
Wrist drop is a sign of?
Radial nerve palsy (injury in spiral groove)
Hand of benediction a sign of?
Median nerve injury at elbow
Difference between HoB and ulnar claw?
HoB only when try to make fist (can't flex digits 1-3- median nerve) but ulnar claw = can't flex median lumbricals (ulnar nerve)
Where are the trunks of the brachial plexus located?
Where are the cords of the brachial plexus located?
Where are the divisions of the brachial plexus located?
Root values of thoracodorsal nerve
Root values of Median nerve
Root values of Axillary nerve
C5,C6 (posterior division)
Root values of long thoracic nerve