Advanced Cadaver

Nerves of the Lumbar Plexus

Iliohypogastric N

Genitofemoral N

Lateral Femoral Cutaneous N

Femoral N

Obturator N

Accessory Obturator N

Iliohypogastric Nerve - Motor

Internal Oblique muscle (lateral thigh)

Iliohypogastric Nerve - Motor

From inguinal canal within spermatic cord

L1 dermatome

Parts of Genitofemoral Nerve

Femoral Part

Genito Part

Sensory of Femoral Part of Genitofemoral N

Anterior thigh

Motor of Genito Part of Genitofemoral N (within spermatic cord)

Cremaster reflex (males) - contraction of cremaster muscle and ascends testes

Geigle’s reflex (females) - contracts inguinal ligament

Lateral Femoral Cutaneous Nerve - Sensory

Lateral thigh; superior gluteal region

Femoral Nerve - Sensory

Quadriceps

Femoral Nerve - Sensory

Anterior thigh

Obturator Nerve - Motor

To the adductors of the hip

Obturator Nerve - Sensory

Medial thigh

Accessory Obturator Nerve - Motor

To adductors of the hip

Accessory Obturator Nerve - Sensory

Medial thigh

Nerves of the Sacral Plexus

Sciatic N

Superior Gluteal N

Inferior Gluteal N

Posterior Femoral Cutaneous N

Nerve to the Obturator Internus & Superior Gemellus mm.

Nerve to the Inferior Gemellus & Quadratus Femorus mm

Nerve to the Piriformis m

Pudendal N

Sciatic Nerve - Motor

Hamstrings (posterior thigh)

Sciatic Nerve - Sensory

Posterior thigh

Branches of the Sciatic Nerve

Tibial Nerve

Common Peroneal Nerve (Common Fibular Nerve)

Tibial Nerve - Motor

Most medial N

Posterior leg muscles, plantar muscles of foot

Tibial Nerve - Sensory

Posterior Leg

Plantar surface of foot

Superficial Peroneal Nerve - Motor

Lateral leg muscles

Superficial Peroneal Nerve - Sensory

Lateral leg

Deep Peroneal Nerve - Motor

Anterior leg muscles

Deep Peroneal Nerve - Sensory

Anterior leg

Superior Gluteal Nerve - Motor

Gluteus Medius

Gluteus Minimus

Tensor Fascia Lata (abduction of leg & thigh)

Inferior Gluteal Nerve - Motor

Gluteal Maximus

Posterior Femoral Cutaneous Nerve - Sensory

Skin of buttocks and posterior thigh

Nerve to the Obturator Internus & Superior Gemellus Muscles

Part of the sacral plexus

Nerve to the Inferior Gemellus & Quadratus Femoris Muscles

Part of the sacral plexus

Nerve to the Piriformis Muscle

Part of the sacral plexus

Pudendal Nerve Parts

Innervates the skeletal muscle

• Inferior Rectal N (Inferior Hemorroidal N)

• Perineal N

• Dorsal N of the Penis (clitoris)

Perineal Nerve - Motor

To superficial perineal space

Urogenital diaphragm: controls micturition (urination);

Pelvic diaphragm: controls defecation

Perineal Nerve - Sensory

Posterior scrotum; Labia Majora

Inferior Rectal Nerve (Inferior Hemorroidal Nerve) - Motor

Anal sphincter; lining of the anal canal

Inferior Rectal Nerve (Inferior Hemorroidal Nerve) - Sensory

Skin around anus

Dorsal Nerve of the Clitoris (Penis)

• Innervates glans clitoris & glans penis

• Responds to mechanical stimulation

• Penis mechanical stimulation

  • Parasympathetic = S2, S3, S4 - Erection

  • Sympathetic = L1, L2 - Orgasm

NAVL

Nerve always left

Artery next

Vein

Lymph

Name This

Superficial Circumflex Vein (goes laterally)

Name This

Superficial Epigastric Iliac Vein (goes superior to stomach)

Name This

Superficial External Pudendal Vein (goes inferior to groin)

Name This

Femoral Artery

Name This

Saphenous Opening

Name This

Great Saphenous Vein

Name This

Popliteal Fossa

Name This

Small Saphenous Vein

Name This

Lateral Malleolus

Name This

Medial Malleolus

Name This

Dorsal Venous Arch

Name A

Anterior Compartment of the Thigh

Name B

Posterior Compartment of the Thigh

Name C

Lateral Compartment of the Thigh

Name This

Femoral Nerve

Name This

Femoral Artery

Name This

Femoral Vein

Name This

Fascia Lata (EIDF)

Name This

Great Saphenous Vein

Name This

Profundus Femoris Artery

Name This

Sciatic Nerve

Name This

Skin of the Thigh

Name This

Inguinal Ligament

Name This

Horizontal Group of Superficial Inguinal Lymph Nodes

Name This

Vertical Group of Superficial Inguinal Lymph Nodes

Name This

Saphenous Opening

Name This

Femoral Artery

Name This

Superficial Circumflex Iliac Vessels (Vein and Artery)

Name This

Superficial Epigastric Vessels (Vein and Artery)

Name This

Superficial External Pudendal Vessels

Name This

Great Saphenous Vein

Name This

Sartorius muscle

Name This

Iliacus Muscle

Name This

Psoas Muscle

Name This

Pectineus Muscle

Name This

Adductor Magnus & Adductor Brevis

Name This

Femoral Nerve

Name This

Femoral Artery

Name This

Femoral Vein

Name This

Femoral Lymph

Name This

Adductor Longus Muscle

Name This

Hunter’s Canal (Adductor Canal)

Name This

Saphenous Nerve

Name This

Popliteal Artery and Vein

Name This

Pubic Tubercle

What are the borders of the Femoral Triangle?

Sartorius Muscle, Adductor Longus Muscle, Inguinal Ligament

What makes up the “floor” of the Femoral Triangle?

Iliacus Muscle, Psoas Muscle, Pectineus Muscle, Adductor Magnus & Brevis Muscles.

What does the Femoral Triangle Contain?

NAVL

Femoral Nerve, Artery, Vein, and Lymphs

Name This

Inguinal Ligament

Name This

Femoral Nerve

Name This

Femoral Sheath

Name This

Femoral Lymph Nodes

Name This

Femoral Artery

Name This

Femoral Vein

Name This

Inguinal Ligament

Name This

Aorta

Name This

External Iliac Artery

Name This

Internal Iliac Artery

Name This

Femoral Artery

Name This

Lateral Femoral Circumflex Artery

Name This

Medial Femoral Circumflex Artery

Name This

Profunda Femoris Artery

Name This

Perforating Branches of Profunda Femoris Artery (Four Horsemen of Farabeuf)

Name This

Descending Branch of Lateral Femoral Circumflex Artery