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Flashcards in Spinal Plexuses Deck (12)
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1
Q

Nerves emerging from Herb’s point

A

Lesser Occipital
Greater Auricular
Transverse Cervical
Supraclavicular

2
Q

Branches of Spinal nerve C1

A

C1: exclusively motor

Ventral branch:
-Nerve to Mylohyoid
-Nerve to Thyrohyoid
Branch to Superior root of Deep Ansa Cervicalis

Dorsal Branch

  • Suboccipital nerve
    • the motor nerve to the suboccipital triangle muscles.
    • pierces the atlanto-occipital membrane.
3
Q

What innervates the infrahyoid muscles?

A

C1 innervates the thyrohyoid

The Deep Ansa Cervicalis innervates the:

  • sternohyoid
  • sternothyroid
  • omohyoid
4
Q

What does the Lesser Occipital Nerve Arise from

and its function?

A

From C2/C3, the lesser root of Deep Ansa Cervicalis

Sensory to the occipital region

5
Q

Origin of Greater Auricular Nerve

A

C3

6
Q

Origin of Transverse Cervical Nerve

A

C3

7
Q

Roots o the Superficial Ansa Cervicalis

A

The Cervical branch of the Facial nerve

and

The Transverse Cervical nerve

8
Q

Origin of the Supraclavicular nerve

A

C3 and C4

9
Q

Origin of Phrenic Nerve

A

C4

10
Q

Origin of Subcostal nerve

A

T12

11
Q

Branches of the Lumbar Plexus

A
Subcostal
Iliohypogastric
Ilioinguinal
Genitofermoal
Lateral Femoral Cutaneous
Femoral  Nerve
12
Q

Branches of Sacral Plexus

A
Obturator 
Superior Gluteal
Inferior Gluteal
Sciatic Nerve
 --Common Fibular
 -- Tibial
Posterior Cutaneous Nerve of Thigh
Pudendal Nerve
Branches to the muscles of the pelvic floor
Coccygeal nerve
Anococcygeal nerve