sacral plexus - university of utahsacral plexus the challenge superior gluteal inferior gluteal...

SACRAL PLEXUS

SACRAL PLEXUSThe Objective

To be able to draw and label all the anatomy of the sacral plexus

SACRAL PLEXUSThe Challenge

Superior Gluteal

Inferior Gluteal

Sciatic

Common FibularTibial

To Lumbar Plexus

Post. Fem. Cut. PudendalCoccygeal plexus

L4

L5

S1

S2

S3

S4

S5

Cocc 1

Nerve to Piriformis

Perforating Cutaneous

Posterior Divisions

Anterior Divisions

Nerve to Obturator internus and Superior Gemellus

Nerve to Quadratus Femoris and Inferior Gemellus

Nerve to Intertransversarii

Nerve to Intertransversarii

Gray Ramus

Gray Ramus

Gray Ramus

Gray Ramus

Gray Ramus

Gray Ramus

Gray Ramus

Pelvic Parasympathetic Splanchnic (3)

SACRAL PLEXUSLearning Device

The story

Channeling Our Best Shakespeare

SACRAL PLEXUSLearning Device

Split the T down to 3SIPP the T (with an extra P)Two more Ps 1,2 2,3Reverse the Gs and add an E

SACRAL PLEXUSLearning Device

Split the T down to 3SIPP the T (with an extra P)Two more Ps 1,2 2,3Reverse the Gs and add an E

SACRAL PLEXUSLearning Device

Split the T down to 3

SACRAL PLEXUSLearning Device

Split the T

To Lumbar Plexus

L4

SACRAL PLEXUSLearning Device

Split the T down to 3 L5

S1

S2

S3

Sciatic

Common FibularTibial

Split the T

Posterior Divisions

Anterior Divisions

SACRAL PLEXUSLearning Device

S I P P the T (with an extra P)

The key: 3 levels start at L4, so L4, L5, S1

Superior Gluteal

L4

L5

S1

SACRAL PLEXUSLearning Device

S I P P the T (with an extra P)

The key: 3 levels start at L5, so L5, S1, S2

Inferior Gluteal

L5

S1

S2

SACRAL PLEXUSLearning Device

S I P P the T (with an extra P)

The key: 3 levels start at S1, so S1, S2, S3

Posterior Femoral Cutaneous

S1

S2

S3

SACRAL PLEXUSLearning Device

S I P P the T (with an extra P)

The key: 3 levels start at S2, so S2, S3, S4

Pudendal

S4

S2

S3

SACRAL PLEXUSLearning Device

Two more Ps 1,2 2,3

Nerve to Piriformis

Perforating Cutaneous

S1

S2

S3

S2

SACRAL PLEXUSLearning Device

Reverse the Gs

The key: Think opposite of Gluteals for Gemelli innervation Posterior to anterior switch and superior to inferior switch

L4

L5

S1

Nerve to Quadratus Femoris and Inferior Gemellus

SACRAL PLEXUSLearning Device

Reverse the Gs

The key: Think opposite of Gluteals for Gemelli innervation Posterior to anterior switch and superior to inferior switch

Nerve to Obturator internus and Superior Gemellus

L5

S1

S2

SACRAL PLEXUSLearning Device

And add an E

Coccygeal plexus

S4

S5

Cocc 1

SACRAL PLEXUSLearning Device

Now you can draw the plexusand label it Superior Gluteal

Inferior Gluteal

Sciatic

Common FibularTibial

To Lumbar Plexus

Post. Fem. Cut. PudendalCoccygeal plexus

L4

L5

S1

S2

S3

S4

S5

Cocc 1

Nerve to Piriformis

Perforating Cutaneous

Nerve to Obturator internus and Superior Gemellus

Nerve to Quadratus Femoris and Inferior Gemellus

SACRAL PLEXUSAdding the Fine Details

The divisions

L4

L5

S1

S2

S3

S4

S5

Cocc 1

Sciatic

Common FibularTibial

Posterior Divisions

Anterior Divisions

SACRAL PLEXUSAdding the Fine Details

Gray communicating rami

L4

L5

S1

S2

S3

S4

S5

Cocc 1

SACRAL PLEXUSAdding the Fine Details

Nerves to intertransversarii

L4

L5

S1

S2

S3

S4

S5

Cocc 1

SACRAL PLEXUSAdding the Fine Details

Pelvic parasympathetic splanchnic nerves

L4

L5

S1

S2

S3

S4

S5

Cocc 1

SACRAL PLEXUSThe Completed Plexus

Superior Gluteal

Inferior Gluteal

Sciatic

Common FibularTibial

To Lumbar Plexus

Post. Fem. Cut. PudendalCoccygeal plexus

L4

L5

S1

S2

S3

S4

S5

Cocc 1

Nerve to Piriformis

Perforating Cutaneous

Posterior Divisions

Anterior Divisions

Nerve to Obturator internus and Superior Gemellus

Nerve to Quadratus Femoris and Inferior Gemellus

Nerve to Intertransversarii

Nerve to Intertransversarii

Gray Ramus

Gray Ramus

Gray Ramus

Gray Ramus

Gray Ramus

Gray Ramus

Gray Ramus

Pelvic Parasympathetic Splanchnic (3)