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Grechenig, W; Clement, H; Egner, S; Tesch, NP; Weiglein, A; Peicha, G.
Musculo-tendinous junction of the flexor carpi ulnaris muscle. An anatomical study.
Surg Radiol Anat. 2000; 22(5-6):255-260 Doi: 10.1007%2Fs00276-000-0255-4
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Leading authors Med Uni Graz: Grechenig Wolfgang
Co-authors Med Uni Graz: Clement Hans Gunther; Tesch Norbert; Weiglein Andreas
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Abstract:: The aim of the study was to evaluate the occurrence of the anatomical variations of the musculotendinous junction of the flexor carpi ulnaris (FCU) muscle and the variations of its insertion onto the pisiform. One hundred cadaver specimens preserved according to Thiel's method were assessed. Following careful dissection, the distance between the musculotendinous junction and the pisiform and the width of the muscle belly were determined. Three typical anatomical variations were found: 1) a large muscle belly running distally almost to the insertion onto the pisiform; 2) the muscle belly ending more proximally, with some large fibres running parallel to the tendon and almost reaching the pisiform; 3) the musculotendinous junction ending more proximally, with only single fibres continuing distally. The length of the tendon was greater than 10 mm. A number of variations of the distal region of FCU were observed. The presence of muscle fibres almost reaching the insertion point onto the pisiform have to be considered when interpreting MRI or ultrasound findings of this region.
Find related publications in this database (using NLM MeSH Indexing): Aged -; Cadaver -; Female -; Humans -; Male -; Muscle, Skeletal - anatomy and histology; Tendons - anatomy and histology; Ulna - anatomy and histology; Wrist - anatomy and histology
Find related publications in this database (Keywords): flexor carpi ulnaris; musculotendinous junction; anatomical variations