Anterior Compartment of the Thigh

Description

Cross-sectional anatomy of the thigh, demonstrating the anterior (quadriceps), posterior (hamstrings), and medial (adductor) compartments. Note the relatiosnship between the intermuscular septa and the neurovascular structures of each compartment.

Illustration of anterior compartment of the thigh

Names

• Anterior Compartment of the Thigh
• Flexor Compartment of the Thigh
• Hip Flexors
• Knee Extensors

Muscles

• Quadriceps Femoris
  • Rectus Femoris
  • Vastus Lateralis
  • Vastus Intermedius
  • Vastus Medialis
• Sartorius
• Articularis Genus
• Pectineus
  • Can be considered anterior compartment or medial compartment

Actions

• Extend the lower limb at the knee joint

Vascular Supply

• Femoral Artery

Innervation

• Femoral Nerve (L2-L4)

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Clinical Significance

• Quadriceps Hematoma
• Quadriceps Strain
• Quadriceps Contusion
• Quadriceps Rupture
• Acute Compartment Syndrome

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See Also

• Thigh Pain Main
• Physical Exam Hip
• Thigh Anatomy Main

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