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Unit I Nervous
Nerves arranged by function of muscle and areas of attachment, as seen on Practice Exam.
27
Anatomy
Graduate
09/01/2011

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Cards

Term
Dorsal scapular nerve
Definition
A: Vertebra, scapula
F: Elevation, retraction and inferior rotation of the (lateral angle of) scapula
Axon: S, LMN, Postsymp
Term
Long thoracic nerve
Definition
A: Ribs, scapula
F: Protraction, upward rotation of (lateral angle of) scapula
Axon: S, LMN, Postsymp
Term
Suprascapular nerve
Definition
A: Scapula, humerus F: Abduction and lateral rotation of humerus Axon: S, LMN, Postsymp
Term
Medial and lateral pectoral nerves
Definition
A: Clavicle, ribs, sternum, scapula, humerus
F: adduction, flexion, medial rotation of humerus; protraction and fixation of scapula
Axon: S, LMN, Postsymp
Term
Thoracodorsal nerve
Definition
A: Vertebra, inominate, humerus
F: Adduction, extension, medial rotation of humerus
Axon: S, LMN, Postsymp
Term
Accessory nerve
Definition
A: Occipital bone of skull, vertebra, clavicle, scapula F: Elevation, depression, retraction, superior rotation of scapula Axon: LMN, Postsymp
Term
Dorsal rami of spinal nerves
Definition
A: Vertebra, ribs
F: Extension, rotation, lateral flexion, stabilization of vertebral column
Axon: S, LMN, Postsymp
Term
Femoral nerve (at inguinal ligament)
Definition

A: Inominate, femur, patella, tibia

F: Flexion, abduction, adduction*, external rotation of thigh

Flexion**, extension of leg

Axons: S, LMN, Postsymp

 

*Via pectineus

**Via sartorius

Term
Superior gluteal nerve
Definition
A: Inominate, femur, tibia F: Abduction, flexion, medial rotation of thigh Axons: S, LMN, postsymp
Term
Obturator nerve
Definition

A: Inominate, femur, tibia

F: Adduction, flexion, medial & lateral rotation of thigh

Flexion, medial rotation of leg

Axons: S, LMN, Postsymp

Term
Accessory obturator nerve
Definition
A: Inominate, femur
F: Adduction, flexion of thigh
Axons: S, LMN, Postsymp
Term
Nerve to quadratus femoris
Definition
A: Inominate, femur
F: Lateral rotation of thigh
Axon: S, LMN, Postsymp
Term
Nerve to obturator internus
Definition
A: Inominate, femur
F: Lateral rotation of thigh
Axon: S, LMN, Postsymp
Term
Nerve to piriformis
Definition
A: Sacrum, inominate, femur
F: Abduction, lateral rotation of thigh
Axon: S, LMN, Postsymp
Term
Inferior gluteal nerve
Definition

A: Sacrum, inominate, femur, (tibia - via IT band - ?)

F: Extension, lateral rotation of thigh

Tension of fascia lata

Axon: S, LMN, Postsymp

Term
Tibial nerve
Definition
A: Inominate, femur, tibia, fibula, tarsal, metatarsal, phalanges F: Extension of thigh Flexion of leg Plantar flexion, inversion of foot Toe (2-5) flexion, MP and IP Great toe flexion, MP and IP Axon: S, LMN, Postsymp
Term
Deep peroneal nerve
Definition
A: Tibia, fibula, tarsal, metatarsal, phalanges
F: Dorsiflexion, inversion, eversion of foot
Extension of great toe, MP and IP
Extension of toes 2-5, MP and IP
Axon: S, LMN, Postsymp
Term
Superficial peroneal nerve
Definition
A: Fibula, tarsal, metatarsal
F: Plantar flexion, eversion of foot
Axon: S, LMN, Postsymp
Term
Lateral plantar nerve
Definition

A: Tarsal, metatarsal, phalanges

F: Adduction, flexion of great toe

Flexion (MP), extension (IP), abduction of toes 2-5

Adduction of toes 3-5

Axon: S, LMN, Postsymp

Term
Musculocutaneous nerve
Definition
A: scapula, humerus, radius, ulna,
F: Flexion, adduction of arm
Flexion, supination of forearm
Axon: S, LMN, Postsymp
Term
Radial nerve
Definition

A: Scapula, humerus, radius, ulna, carpals, metacarpals, phalanges

F: Extension of arm

Flexion, extension, supination of forearm

Abduction, extension (MP & IP) of thumb

Extension, abduction, adduction of hand at wrist Extension of phalanges (MP & IP)

Axon: S, LMN, Postsymp

Term
Median nerve
Definition
A: humerus, radius, ulna, metacarpals, phalanges
F: Pronation of forearm
Flexion, abduction of hand at wrist
Flexion, extension (IP only) of digits 2-5
Flexion (MP & IP) of thumb
Axon: S, LMN, Postsymp
Term
Ulnar nerve (at forearm)
Definition
A: Humerus, ulna, metacarpals F: Flexion, adduction of hand at wrist Flexion of digits 2-5 (MP & IP) Axon: S, LMN, Postsymp
Term
Deep branch of ulnar nerve
Definition
A: Carpals, metacarpals, phalanges
F: Abduction, flexion, extension (IP), opposition of 5th digit
Adduction, flexion of thumb
Abduction, adduction, flexion (all three MP only) and extension (IP only) of digits 2-4
Axon: S, LMN, Postsymp
Term
Recurrent branch of median nerve
Definition

A: Phalanges, carpals, metacarpals

F: Abduction, flexion, opposition of thumb

Axon: S, LMN, Postsymp

Term
Upper subscapular n.
Definition

A: Scapula, humerus

F: Adduction, medial rotation of humerus

Axon: S, LMN, Postsymp

Term
Lower subscapular n.
Definition

A: Scapula, humerus

F: Adduction, medial rotation of humerus

Axon: S, LMN, Postsymp

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