Anconeus

Description

Posterior anatomy and superficial dissection of the elbow

Illustration of Anconeus

Name

• Anconeus
• Anconeus Muscle

Origin

• Lateral epicondyle of Humerus

Insertion

• Lateral surface of olecranon

Anconeus Epitrochlearis Muscle

• Anatomic Variant
• Originates at the medial epicondyle (instead of lateral epicondyle)
• Crosses over ulnar groove, can compress nerve
• Seen in weightlifters with forearm hypertrophy

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Actions

• Extension of forearm (at the elbow)
• Stabilizes elbow

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Vascular Supply

• Posterior Interosseous Recurrent Artery

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Nerve

• Radial Nerve (C7-C8)

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Clinical Significance

• Cubital Tunnel Syndrome

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See Also

• Physical Exam Forearm
• Forearm Anatomy (Main)
• Forearm Pain (Main)
• Physical Exam Elbow
• Elbow Anatomy (Main)
• Elbow Pain (Main)

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