Articularis Genus

Introduction

Schematic illustration of the three layers of the articularis genus. Bundles A, B, and F comprise the superficial layer; bundles E, G, H, I, and J

General

• Also called the subcrureus muscle
• Small skeletal muscle in the thigh, just above the knee
• Pulls the suprapatellar bursa during extension of the knee, preventing impingement
• Can be attached to the medial patellar plica

Origin

• Femur

Insertion

• Suprapatellar Bursa

Actions

• Pulls suprapatellar bursa superiorly during knee extension (prevents impingement of synovial membrane between patella and femur)

Anatomic Variants

• Sometimes consists of several separate muscle bundles
• The muscle is without a distinct fascia

Vascular Supply

• Femoral Artery

Nerve

• Femoral Nerve

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Clinical Significance

• Medial Plica Syndrome

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See Also

• Physical Exam Hip
• Hip Anatomy (Main)
• Hip Pain (Main)

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