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UB ANA 113 Lec 15 B

Nerves from the Branches of Brachial and Lumbo-sacral plexuses

Axillary - P Brachial (A)
Axillary - L By the surgical Neck
Axillary - I Deltoid and teres minor
Axillary - D Cannot abduct shoulder above arm
Musculocutaneous - P Brachial (Mu)
Musculocutaneous - L Anterior compartment of arm
Musculocutaneous - I Biceps Brachii and Brachialis
Musculocutaneous - D Trouble supinating and flexing
Radial - P Brachial (R)
Radial - L Forms grove on shaft of humerus
Radial - I Triceps
Radial - D Cannot extend at elbow. "wrist drop" - cannot extend at wrist
Ulnar - P Brachial (U)
Ulnar - L Right behind medial epicondyle. "funny bone"
Ulnar - I Flexor carpi ulnaris. Flexor digitorum profundus (half).. muscles of hand(lumbricals, hypothenar, interossei)
Ulnar - D "claw hand"
Median - P Brachial (Me)
Median - L in arm, down forearm, enters hand dead center. goes down "carpal tunnel"
Median - I Supplies all other forearm muscles. Thenar eminence (thumb) .. palm and fingers not pinky
Median - D "Ape-hand" - cannot oppose (thumb touch pinky), "carpal Tunnel syndrome" - atrophy of thenar eminence, cannot oppose
Femoral - P Lumbo-sacral (F)
Femoral - I Quadriceps, muscles in anterior thigh
Femoral - D No extension at the knee
Obturator - P Lumbo-sacral (O)
Obturator - I Adductors, muscles on medial thigh
Obturator - D Cannot adduct leg
Sciatic - P Lumbo-sacral (S)
Sciatic - I Supplies muscles of back thigh and hamstrings
Sciatic splits into... Tibial and common fibular (peroneal)
Biggest nerve in the body sciatic nerve
Tibial - P Lumbo-sacral, Medial part of sciatic nerve
Tibial - I Gastronemeous and soleus.. medial muscles of back leg
Tibial - D No plantar flexion. Cannot walk on tip toes
Common Fibular (peroneal)- P Lumbo-sacral, anterior and lateral part of sciatic nerve
Common Fibular (peroneal) - I Peroneus longus and brevis. Anterior and lateral muscles of leg
Common fibular (peroneal) - D Foot drop. Cannot dorsiflex. "foot fell asleep"
Pundendal - P Lumbo-sacral (P)
Pundendal - I Supplies genital region - skeletal muscles and skin
Where do you inject anesthetic to numb the pundendal nerve? medial to ischical tuberosity .. ex birth
Created by: HugsAndKisses



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