Nerve Impingement Sites Flashcards
6 sites of impingement - Ulnar Nerve
M-M-M-S-O-F
Medial IM Septum Medial head triceps Medial Epicondyle Struthers Arcade (hole in IM) Osborne's Ligament (Cubital Tunnel) FCU
Most common 1e = Medial IM septum
Most common revision = FCU
5 sites of impingement - Radial Nerve
F-R-E-A-S
Fibrous Bands of Radiocapitellar Joint Recurrent Radial Artery Leading Edge of ECRB Arcade of Froshe (leading edge of supinator) Supinator
Most common 1e = Arcade
6 sites of impingement - Median Nerve
P-L-F-B-R-F
Pronator Teres (leading edge) Lacertus Fibrosus FDS Biceps Aponeurosis Recurrent Ulnar Artery. FPL (accessory Gantzer Muscle)
4 Pre-clavicular Branches
D-S-S-L
Dorsal Scapular (Rhomboids)
Subclavius (nerve to)
Suprascapular (Supraspinatus/Infraspinatus)
Long Thoracic (serratus - SALT)
3 branches off Lateral Cord
L-L-L
Lateral Pectoral
Lateral Brachial Cutaneous
Lateral Antebrachial Cutaneous
3 branches off Medial Cord
M-M-M
Medial Pectoral
Medial Brachial Cutaneous
Medial Antebrachial Cutaneous
Branches of Posterior Cord
L-U-TS
Lower Subscap Upper Subscap (both heads of subscap) Thoracodorsal (Lat Dorsi)
TD aka middle or long subscap
Axillary Nerve innervation?
D-T-T
Deltoid
Teres Minor
Triceps (long head)
Radial Nerve innervation?
B-E-A-T-E-S
Brachioradialis
ECRL
Anconeus
Triceps
Deep Branch:
ECRB
Supinator
Anterior Interosseus Nerve Innervation?
F-F-P-W
FPL
FDP index/long
PQ
Wrist Capsule
Median Nerve Innervation?
P-F-P-F
Pronator Teres
FCR
Palmaris Longus
FDS - all
Palmar Cutaneous Branch?
lateral palm cutaneous only
Recurrent Deep Branch?
L-O-A-F
Million Dollar Nerve Lumbricals 1 & 2 Opponens Pollicis Abductor Pollicis Brevis Flexor Pollicis Brevis
Posterior Interosseus Nerve Innervation?
A & 6 E’s. Compartments
ECU EDM EDC EPL EPB APL EIP * Wrist Capsule*
Ulnar Nerve Innervation
FCU FDP 3/4 Interossei Lumbricals 3/4 Opponens Digiti Minimi Abductor Digiti Minimi Flexor Digiti Minimi Adductor Pollicis