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SACRAL PLEXUS

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Page 1: SACRAL PLEXUS - University of UtahSACRAL PLEXUS The Challenge Superior Gluteal Inferior Gluteal Sciatic Common Fibular Tibial To Lumbar Plexus Post. Fem. Cut. Pudendal Coccygeal plexus

SACRAL PLEXUS

Page 2: SACRAL PLEXUS - University of UtahSACRAL PLEXUS The Challenge Superior Gluteal Inferior Gluteal Sciatic Common Fibular Tibial To Lumbar Plexus Post. Fem. Cut. Pudendal Coccygeal plexus

SACRAL PLEXUSThe Objective

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

Page 3: SACRAL PLEXUS - University of UtahSACRAL PLEXUS The Challenge Superior Gluteal Inferior Gluteal Sciatic Common Fibular Tibial To Lumbar Plexus Post. Fem. Cut. Pudendal Coccygeal 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)

Page 4: SACRAL PLEXUS - University of UtahSACRAL PLEXUS The Challenge Superior Gluteal Inferior Gluteal Sciatic Common Fibular Tibial To Lumbar Plexus Post. Fem. Cut. Pudendal Coccygeal plexus

SACRAL PLEXUSLearning Device

The story

Channeling Our Best Shakespeare

Page 5: SACRAL PLEXUS - University of UtahSACRAL PLEXUS The Challenge Superior Gluteal Inferior Gluteal Sciatic Common Fibular Tibial To Lumbar Plexus Post. Fem. Cut. Pudendal Coccygeal plexus

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

Page 6: SACRAL PLEXUS - University of UtahSACRAL PLEXUS The Challenge Superior Gluteal Inferior Gluteal Sciatic Common Fibular Tibial To Lumbar Plexus Post. Fem. Cut. Pudendal Coccygeal plexus

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

Page 7: SACRAL PLEXUS - University of UtahSACRAL PLEXUS The Challenge Superior Gluteal Inferior Gluteal Sciatic Common Fibular Tibial To Lumbar Plexus Post. Fem. Cut. Pudendal Coccygeal plexus

SACRAL PLEXUSLearning Device

Split the T down to 3

Page 8: SACRAL PLEXUS - University of UtahSACRAL PLEXUS The Challenge Superior Gluteal Inferior Gluteal Sciatic Common Fibular Tibial To Lumbar Plexus Post. Fem. Cut. Pudendal Coccygeal plexus

SACRAL PLEXUSLearning Device

Split the T

To Lumbar Plexus

L4

Page 9: SACRAL PLEXUS - University of UtahSACRAL PLEXUS The Challenge Superior Gluteal Inferior Gluteal Sciatic Common Fibular Tibial To Lumbar Plexus Post. Fem. Cut. Pudendal Coccygeal plexus

SACRAL PLEXUSLearning Device

Split the T down to 3 L5

S1

S2

S3

Sciatic

Common FibularTibial

Split the T

Posterior Divisions

Anterior Divisions

Page 10: SACRAL PLEXUS - University of UtahSACRAL PLEXUS The Challenge Superior Gluteal Inferior Gluteal Sciatic Common Fibular Tibial To Lumbar Plexus Post. Fem. Cut. Pudendal Coccygeal plexus

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

Page 11: SACRAL PLEXUS - University of UtahSACRAL PLEXUS The Challenge Superior Gluteal Inferior Gluteal Sciatic Common Fibular Tibial To Lumbar Plexus Post. Fem. Cut. Pudendal Coccygeal plexus

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

Page 12: SACRAL PLEXUS - University of UtahSACRAL PLEXUS The Challenge Superior Gluteal Inferior Gluteal Sciatic Common Fibular Tibial To Lumbar Plexus Post. Fem. Cut. Pudendal Coccygeal plexus

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

Page 13: SACRAL PLEXUS - University of UtahSACRAL PLEXUS The Challenge Superior Gluteal Inferior Gluteal Sciatic Common Fibular Tibial To Lumbar Plexus Post. Fem. Cut. Pudendal Coccygeal plexus

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

Page 14: SACRAL PLEXUS - University of UtahSACRAL PLEXUS The Challenge Superior Gluteal Inferior Gluteal Sciatic Common Fibular Tibial To Lumbar Plexus Post. Fem. Cut. Pudendal Coccygeal plexus

SACRAL PLEXUSLearning Device

Two more Ps 1,2 2,3

Nerve to Piriformis

Perforating Cutaneous

S1

S2

S3

S2

Page 15: SACRAL PLEXUS - University of UtahSACRAL PLEXUS The Challenge Superior Gluteal Inferior Gluteal Sciatic Common Fibular Tibial To Lumbar Plexus Post. Fem. Cut. Pudendal Coccygeal plexus

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

Page 16: SACRAL PLEXUS - University of UtahSACRAL PLEXUS The Challenge Superior Gluteal Inferior Gluteal Sciatic Common Fibular Tibial To Lumbar Plexus Post. Fem. Cut. Pudendal Coccygeal plexus

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

Page 17: SACRAL PLEXUS - University of UtahSACRAL PLEXUS The Challenge Superior Gluteal Inferior Gluteal Sciatic Common Fibular Tibial To Lumbar Plexus Post. Fem. Cut. Pudendal Coccygeal plexus

SACRAL PLEXUSLearning Device

And add an E

Coccygeal plexus

S4

S5

Cocc 1

Page 18: SACRAL PLEXUS - University of UtahSACRAL PLEXUS The Challenge Superior Gluteal Inferior Gluteal Sciatic Common Fibular Tibial To Lumbar Plexus Post. Fem. Cut. Pudendal Coccygeal plexus

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

Page 19: SACRAL PLEXUS - University of UtahSACRAL PLEXUS The Challenge Superior Gluteal Inferior Gluteal Sciatic Common Fibular Tibial To Lumbar Plexus Post. Fem. Cut. Pudendal Coccygeal plexus

SACRAL PLEXUSAdding the Fine Details

The divisions

L4

L5

S1

S2

S3

S4

S5

Cocc 1

Sciatic

Common FibularTibial

Posterior Divisions

Anterior Divisions

Page 20: SACRAL PLEXUS - University of UtahSACRAL PLEXUS The Challenge Superior Gluteal Inferior Gluteal Sciatic Common Fibular Tibial To Lumbar Plexus Post. Fem. Cut. Pudendal Coccygeal plexus

SACRAL PLEXUSAdding the Fine Details

Gray communicating rami

L4

L5

S1

S2

S3

S4

S5

Cocc 1

Page 21: SACRAL PLEXUS - University of UtahSACRAL PLEXUS The Challenge Superior Gluteal Inferior Gluteal Sciatic Common Fibular Tibial To Lumbar Plexus Post. Fem. Cut. Pudendal Coccygeal plexus

SACRAL PLEXUSAdding the Fine Details

Nerves to intertransversarii

L4

L5

S1

S2

S3

S4

S5

Cocc 1

Page 22: SACRAL PLEXUS - University of UtahSACRAL PLEXUS The Challenge Superior Gluteal Inferior Gluteal Sciatic Common Fibular Tibial To Lumbar Plexus Post. Fem. Cut. Pudendal Coccygeal plexus

SACRAL PLEXUSAdding the Fine Details

Pelvic parasympathetic splanchnic nerves

L4

L5

S1

S2

S3

S4

S5

Cocc 1

Page 23: SACRAL PLEXUS - University of UtahSACRAL PLEXUS The Challenge Superior Gluteal Inferior Gluteal Sciatic Common Fibular Tibial To Lumbar Plexus Post. Fem. Cut. Pudendal Coccygeal plexus

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)