What question did this study set out to answer?

To evaluate and compare the biomechanical recovery of elbow flexion and forearm supination strength across immediate anatomical reattachment, delayed reattachment, and conservative treatment for distal biceps brachii tendon ruptures.

March 1, 1985Journal of Bone and Joint Surgery

Rupture of the distal tendon of the biceps brachii. A biomechanical study.

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To evaluate and compare the biomechanical recovery of elbow flexion and forearm supination strength across immediate anatomical reattachment, delayed reattachment, and conservative treatment for distal biceps brachii tendon ruptures.
Conducted biomechanical strength evaluations in 10 patients with a ruptured distal tendon of the biceps brachii.
Assessed four treatment strategies: immediate anatomical reattachment to the radial tuberosity (n=4), delayed reattachment (n=1), tenodesis to the brachialis muscle (n=1), and conservative management (n=3).
Immediate anatomical reattachment restored normal strength in both flexion and supination at 1 year, though strength remained incomplete at 4 months in 1 patient.
Conservative management resulted in a mean loss of 40% in forearm supination strength and an average loss of 30% in elbow flexion strength.
Reattachment to the brachialis muscle preserved near-normal flexion strength but caused an approximate 50% loss of supination, whereas delayed reinsertion partially improved both motions without achieving normal levels.

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Implication

Biomechanical study reveals superior restoration of elbow flexion and supination strength following immediate anatomical reattachment in distal biceps rupture, highlighting the value of early surgery.

Cite This Study

Morrey et al. (1985) studied this question.

synapsesocial.com/papers/69df07a6d5404a0bea59178a https://doi.org/10.2106/00004623-198567030-00011

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Rupture of the distal tendon of the biceps brachii. A biomechanical study.

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Discussion

Implication

Cite This Study

Rupture of the distal tendon of the biceps brachii. A biomechanical study.

Key Points

Discussion

Implication

Cite This Study

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