Spinal Nerves and Plexuses Flashcards

Flashcards on Spinal Nerves and Plexuses

Cervical Plexus

Plexus formed from spinal nerves C1-C5.

Transverse Cervical Nerve

Nerve providing skin sensation over the neck (Cervical Plexus).

Supraclavicular Nerve

Nerve providing skin sensation over the shoulder and chest (Cervical Plexus).

Great Auricular Nerve

Nerve providing skin sensation over the ear and scalp (Cervical Plexus).

Lesser Occipital Nerve

Nerve providing skin sensation over the ear and scalp (Cervical Plexus).

Brachial Plexus

Plexus formed from spinal nerves C5-T1.

Axillary Nerve

Nerve innervating the deltoid and teres minor muscles (Brachial Plexus).

Musculocutaneous Nerve

Nerve innervating the flexor muscles of the arm (Brachial Plexus).

Radial Nerve

Nerve innervating the extensors of arm, forearm, and wrist (Brachial Plexus).

Ulnar Nerve

Nerve innervating the flexors of the wrist, hand, and finger (Brachial Plexus).

Common Palmar Digital Nerve

Nerve innervating finger flexors (Brachial Plexus).

Median Nerve

Nerve innervating flexors of the forearm and finger, and pronators (Brachial Plexus).

Lumbar Plexus

Plexus formed from spinal nerves T12-L4.

Iliohypogastric Nerve

Nerve innervating abdominal wall muscles (Lumbar Plexus).

Ilioinguinal Nerve

Nerve innervating abdominal wall muscles (Lumbar Plexus).

Femoral Nerve

Nerve innervating thigh flexors and quadriceps group (Lumbar Plexus).

Obturator Nerve

Nerve innervating thigh adductors (groin muscles) (Lumbar Plexus).

Saphenous Nerve

Nerve providing skin sensation over medial portion of the leg (Lumbar Plexus).

Sacral Plexus

Plexus formed from spinal nerves L4-S4.

Sciatic Nerve

Nerve innervating leg flexors (Sacral Plexus).

Tibial Nerve

Nerve innervating plantarflexors of foot and toe flexors (Sacral Plexus).

Common Fibular Nerve

Nerve innervating dorsiflexors of foot and toe extensors (Sacral Plexus).

Pudendal nerve

Nerve innervating muscles of perineum and skin of external genitalia (Sacral Plexus).

Coccygeal Plexus

Plexus formed from spinal nerves S5-Co1

Coccygeal Nerve

Nerve providing skin sensation over coccyx (Coccygeal Plexus)