Home Body Atlas Bursae Pronator Teres Humeral Head Bursa
Bursa Upper Arm

Pronator Teres Humeral Head Bursa

bursa capitis humeralis musculi pronatoris teretis

A small bursa between the humeral head of pronator teres at its medial epicondyle origin and the overlying common flexor tendon, reducing friction at the medial elbow during forearm pronation. It may become inflamed in pronator syndrome and golfer's elbow.

Region: Upper Arm
Clinical Relevance

Clinical Notes

Pronator teres humeral head bursitis contributes to medial elbow pain in pronator syndrome, where it may be difficult to distinguish from common flexor tendinopathy without ultrasound. The bursa is located just distal to the medial epicondyle at the pronator teres origin. Injection at this level addresses both the bursa and the adjacent tendon pathology simultaneously.

Pathology

Common Injuries & Conditions

Pronator Teres Origin Bursitis

Bursal inflammation at the humeral head pronator teres origin contributing to medial elbow pain with resisted forearm pronation, managed with injection and activity modification targeting pronation-loading activities.

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