Brachial Plexus Flashcards
What is the common mechanism of injury for a C8-T1 injury?
Traction ie hanging off a ladder.
Ulnar nerve
Draw the Brachial Plexus
What tests would you include for a C5 Assessment?
Muscle testing - deltoids and biceps.
Reflex - Bicep tendon
Sensation - superior aspect of shoulder and lateral arm(Regimand band area)
What would you consider in a C8 - T1 Assessment?
Muscles - hand intrinsics, Thumb Extension, thumb adduction
Sensation of medial aspect of arm and two medial digits.
What cord supplies the Ulnar nerve?
Medial Cord
What level is an Erb-Duchenne palsy?
What is the presentation?
Upper level C5 C6
Arm hangs at side, shoulder medially rotated, forearm pronated and wristt flexed. Loss of sensation on the lateral aspect of the arm(porter or waiter tip)
List Muscles innervated by Median Nerve
4 3 4
pronator teres, FCR, PL, FDS
FDP (lateral), FPL, Pronator quadratus
APB, OPB, FPB(superficial)Lumbricales 1+2
List the muscles innvertaed by the Ulnar Nerve
2 7
FCU, FDP (medial)
ADM, ODM, FDM, Lumbricale 3+4, interossei, FPB(deep)ABPoll
What would you include in a C6 assessment?
Muscles - Biceps and brachioradialis.
Patient would not be able to supinate with elbow extended.
Reflex test: Brachioradialis.
Sensation - radial two digits and radial volar forearm
What cord supplies the Radial nerve?
Posterior cord
Damage to the axillary nerve can occur in what type of fracture?
What is the resulting loss of function?
Fracture of surgical neck of humerus
Muscles supplied: Deltoid and teres minor
Abduction of shoulder
What cord supplies the Median nerve?
Medial and lateral cords
List muscles innervated by the Radial Nerve
3 1 8
Triceps, Brachialis (partial) anconeus, Brachioradialis, ECRL
ECRB
Supinator, EDC, EDM, ECU, APL,EPL, EPB, EI
What level is a Klupmke’s Palsy?
What is the presentation?
C8-T1
Medical cord
Lower trunk.
Claw hand presentation.
List Muscles innervated by Axillary Nerve
Deltoid
Teres Minor
