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Spinal Nerves
Raj Exam 3 UGACOP F11
15
Anatomy
Professional
09/25/2011

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Cards

Term
Cervical Plexus
Definition
C1-C4
Superficial neck structures
skin of neck
posterior portion of head
Term
Brachial Plexus
Definition
C4 + C5-T1
Axillary, Radial, Musculocutaneous, Ulnar Median
5 ventral rami > 3 trunks > 6 divisions
Term
Axillary Nerve
Definition
laterally rotate arm (trees minor)
abducts arm (deltoid)
skin (inferior lateral shoulder)
Term
Radial Nerve
Definition
Movements @ elbow, wrist, thumb
Skin (posterior surface of arm/forearm, lateral 2/3 coral of hand)
Term
Musculocutaneous Nerve
Definition
Movemnts @ shoulder, elbow, wrist
Skin - lateral surface of forearm
Term
Ulnar Nerve
Definition
Movements @ Wrist, Fingers, Hand
Skin - Medial 1/3 of hand, little finger, and medial 1/2 of ring finger
Term
Median Nerve
Definition
Movement of hand, wrist, fingers, thumb
Skin - lateral 2/3 palm, thumb, index and middle fingers, lateral 1/2 of ring finger and dorsal tips of same fingers
Term
Small Scapular/Arm Muscles
Definition
Pectoral, Long thoracic, Thoracodorsal, Subscapular, Suprascapular
Term
Lumbosacral Plexus
Definition
L1-L4 (Lumbar); L4-S4 (Sacral)
4 major nerves exit/enter lower limb:
obturator, femoral, tibial, common fibular
Term
Obturator Nerve
Definition
Adduction of thigh and knee
Skin: superior Middle side of thigh
Term
Femoral Nerve
Definition
movements of hip, knee, sartorius, quad, femoris
skin: anterior & lateral thigh, medial leg & foot
Term
Tibial Nerve
Definition
2 nerves together = sciatic
movement of hip, knee, foot, toes
NO SKIN!!
branches: Medial, Lateral plantar nerves, sural nerve
Term
Common Fibular Nerve
(Peroneal)
Definition
Anterior and lateral muscles of leg + foot
Skin: lateral and anterior leg & dorsum of foot
Branches: deep and superficial fibular nerves
Term
Lumbosacral Plexus Nerves
suprapubic, genitalia, superior/posterior thigh
Definition
gluteal, pudendal, iliohypogastric, ilioingual, genitofemoral, cutaneous
Term
Coccygeal Plexus
Definition
S5
Muscles of pelvic floor
Skin over coccyx
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