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CLINICAL ANATOMY OF THE DISTAL TENDON OF THE BICEPS. A STUDY IN 74 CADAVER ELBOWS.

7th Congress of the European Federation of National Associations of Orthopaedics and Traumatology, Lisbon - 4-7 June, 2005



Abstract

The purpose of the study was to define the anatomy of the distal biceps tendon and it’s attachment to the proximal radius (bicipital tuberosity). Distal ruptures of the biceps tendon are not uncommon. Surgical treatment needs an understanding of the precise anatomy of the distal biceps tendon and it’s insertion; of which there are no reports in the literature.

Eighty cadaver elbows were dissected. Six were damaged, hence they were excluded from the study. The skin over the cadaver elbows was removed. The distal biceps tendon was dissected and followed to it’s insertion on to the bicipital tuberosity. Measurements of tendon dimensions were taken at the elbow joint and at it’s insertion.

The whole distal biceps tendon twists in a predictable manner. The tendon fibres too change orientation. The tendon inserts on the posterior margin of the bicipital tuberosity in a thin C-shaped manner. All the biceps insertions had a significantly large bursa associated with it.

Both the biceps tendon and it’s intra-tendinous fibres twist. This has biomechanical implications. The dimensions of the biceps tendon at the elbow and at it’s insertion affect the biomechanics. The insertion into bone in a thin C shaped fashion has connotations on methods of repair.

Theses abstracts were prepared by Professor Roger Lemaire. Correspondence should be addressed to EFORT Central Office, Freihofstrasse 22, CH-8700 Küsnacht, Switzerland.