Neuromuscular Upper Extremity Localization Flashcards
Name the Root: pain in the neck shoulder anterior arm.
C5
Name the Root: Pain in the lateral forearm, thumb and lateral hand
C6
Name the Root: Pain in the Shoulder medial forearm, medial hand
C8
Name the Root: Pain in the medial arm/forearm and axillary chest wall
T1
Name the Root(s): Deltoid
C4/C5
Name the Root: Triceps
C7
Name the Root(s): Intrinsic Hand
C8/T1
Name the Root(s): Brachial Plexus
C5 to T1
Two nerves that orginiate from roots of brachial plexus (C5-C7)
Long thoracic Nerve (winged scapula) and Dorsal Scapular Nerve (rhomboids).
Name the Root(s): Upper trunk
C5/6
Name the Root(s): Middle Trunk
C7
Name the Root(s): Lower trunk
C8/T1
Cords of brachial plexus are name in relationship to the ____.
Axillary artery
Name the Cord (lateral posterior or medial) of brachial plexus: Biceps and Brachialis
Lateral (Musculocutaneous)
Name the Cord (lateral posterior or medial) of brachial plexus: Pronator Teres and Flexor carpi radialis
Lateral (median nerve)
Name the Cord (lateral posterior or medial) of brachial plexus: Extensor carpi ulnaris, extensor indicis proprius
Posterior cord (radial nerve)
Medial cord of brachial plexus branches from the ___ trunkk
Lower (C8/T1)
Cords that form the median nerve
lateral and medial
median travels adjacent to what artery proximally ?
brachial
Two syndromes of the median nerve
pronator and carpal tunnel
Median nerve travels between the two heads of what muscle ?
pronator
Which nerve injury results in inability to make the OK sign (FPL/FDP weakness)
Anterior interosseous nerve from median nerve.
Area where the sensory exam is normal on the hand in CTS
thenar (palmar cutaneous branches before compression site)
Ulnar nerve comes from what cord ?
medial
benediction posture, wartenberg and froment are all signs of ____
ulnar neuropathy
ulnar neuropathy at the wrist (guyons canal pisiform/hamate) spares what sensory area on the hand ?
medial dorsal (involved in ulnar neuropathy at the wrist)
most common site of radial nerve compression and muscle that is spared
spiral groove, triceps
Posterior interosseous syndrome unique feature
no sensory loss (compression at the supinator)
Wartenberg Syndrome
superficial radial nerve compression resulting in pain/numbness thumb dorsolateral hand
