Thigh and Buttock

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Thigh and Buttock
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Thigh

• Three Compartments ant., medial and posterior
• Lateral thigh consists of thickened fascia of the
  lower extremity called the Fascia Latae called
  the Iliotibial Band (Tract) that serves as an
  insertion of the Tensor Fascia Latae muscle
• Extends distal and lateral to knee, inserts on
  the tibia at Gerdys Tubercle

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Thigh

• Anterior compartment knee extensors and some
  hip flexors innervated by femoral nerve, blood
  supply by femoral artery and its branches
• Medial Compartment hip adductors (some rotation
  and flexion) innervated by obturator nerve and
  its branch, blood supply by branches off deep
  femoral artery and obturator artery
• Posterior compartment hip extensors and knee
  flexors innervated by tibial or common peroneal
  nerves, blood supply by deep femoral artery

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Anterior Compartment
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Lateral Thigh (Fascia Late)
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Posterior Thigh
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Medial Thigh
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A Reminder Prime Movers of Hip Flexion
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Anterior Compartment

• Femoral Triangle
• Borders
• Contents
• Course of femoral nerve and artery Adductor
  Canal- Adductor Hiatus
• Muscles
• Sartorius, Pectineus, Quadriceps

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Femoral Triangle - Boundaries
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Femoral Triangle - Contents
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Anterior Muscles
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Anterior Muscles
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Anterior Muscles
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Anterior and Medial Thigh
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Medial Compartment

• Muscles
• Gracilis, Adductor Longus, Adductor Brevis,
  Adductor Magnus
• Common actions
• Pulled groin
• Spastic adductors

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Medial Compartment
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Adductor Magnus
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Posterior Compartment

• Hamstrings
• Common Origin
• Exception
• Medial and Lateral Insertions

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Posterior Muscles
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Posterior Thigh
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Posterior Thigh
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Buttock

• Supericial
• Gluteus Maximus
• Gluteus Medius reverse action
• Gluteus Minimus
• Tensor Fascia Latae iliotibial band, functional
  considerations
• Gowers Sign
• Positive Trendelenburg

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Gluteus Maximus
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Gluteus Maximus
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Gluteus Medius and Minimus
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G Med., G Min, TFL
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TFL
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Trendelenburg
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Deep Buttocks

• External Rotators of the Hip
• Small Muscles
• Mostly attach near or on greater trochanter
• Excellent mechanical advantage for 1) producing
  external rotation and 2) to help maintain
  stability of the hip
• All but one innervated by named nerves specific
  to one or two of them
• The exception is the obturator externus
  innervated by posterior brach of obturator n.

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Deep Buttock

• Muscles
• Piriformis
• Superior Gemellus
• Obturator Internus
• Inferior Gemellus
• Quadratus Femoris
• Obturator Externus

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Deep Muscles of Buttocks
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Deep Buttock
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Deep Muscles
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Deep Muscles
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Deep Muscles
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Blood Supply

• Femoral Artery
• Deep Femoral (AKA Femoral Profunda)
• Medial Circumflex
• Lateral Circumflex
• Ascending Branch
• Lateral Branch
• Descending Branch

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Blood Supply
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Blood Supply
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Blood Supply