Atrophy of the rotator cuff muscles and site of cuff tears

Togo Shimizu; Eiji Itoi; Hiroshi Minagawa; Rabindra L. Pradhan; Ikuko Wakabayashi; Kozo Sato

doi:10.1080/000164702317281387

Atrophy of the rotator cuff muscles and site of cuff tears

Togo Shimizu, Eiji Itoi, Hiroshi Minagawa, Rabindra L. Pradhan, Ikuko Wakabayashi, Kozo Sato

Research output: Contribution to journal › Article › peer-review

31 Citations (Scopus)

Abstract

We determined the relationship between the site of rotator cuff tears and atrophy of the cuff muscles. 28 shoulders (28 patients) had rotator cuff tears: 19 isolated tears of the supraspinatus tendon (isolated-tear group) and 9 combined tears of the supraspinatus and infraspinatus tendons (combined-tear group). The cross-sectional area of the subscapularis, supraspinatus, the infraspinatus and teres minor muscles in the coronal oblique MR images were measured before and after surgery. Although we found no difference in tear size, the cross-sectional areas of the muscles were smaller in the combined-tear group than in the isolated-tear group. We conclude that atrophy of the supraspinatus and infraspinatus muscles also depends on the site of the tear.

Original language	English
Pages (from-to)	40-43
Number of pages	4
Journal	Acta Orthopaedica Scandinavica
Volume	73
Issue number	1
DOIs	https://doi.org/10.1080/000164702317281387
Publication status	Published - 2002
Externally published	Yes

ASJC Scopus subject areas

Surgery
Orthopedics and Sports Medicine

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abstract = "We determined the relationship between the site of rotator cuff tears and atrophy of the cuff muscles. 28 shoulders (28 patients) had rotator cuff tears: 19 isolated tears of the supraspinatus tendon (isolated-tear group) and 9 combined tears of the supraspinatus and infraspinatus tendons (combined-tear group). The cross-sectional area of the subscapularis, supraspinatus, the infraspinatus and teres minor muscles in the coronal oblique MR images were measured before and after surgery. Although we found no difference in tear size, the cross-sectional areas of the muscles were smaller in the combined-tear group than in the isolated-tear group. We conclude that atrophy of the supraspinatus and infraspinatus muscles also depends on the site of the tear.",

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AU - Shimizu, Togo

AU - Itoi, Eiji

AU - Minagawa, Hiroshi

AU - Pradhan, Rabindra L.

AU - Wakabayashi, Ikuko

AU - Sato, Kozo

PY - 2002

Y1 - 2002

N2 - We determined the relationship between the site of rotator cuff tears and atrophy of the cuff muscles. 28 shoulders (28 patients) had rotator cuff tears: 19 isolated tears of the supraspinatus tendon (isolated-tear group) and 9 combined tears of the supraspinatus and infraspinatus tendons (combined-tear group). The cross-sectional area of the subscapularis, supraspinatus, the infraspinatus and teres minor muscles in the coronal oblique MR images were measured before and after surgery. Although we found no difference in tear size, the cross-sectional areas of the muscles were smaller in the combined-tear group than in the isolated-tear group. We conclude that atrophy of the supraspinatus and infraspinatus muscles also depends on the site of the tear.

AB - We determined the relationship between the site of rotator cuff tears and atrophy of the cuff muscles. 28 shoulders (28 patients) had rotator cuff tears: 19 isolated tears of the supraspinatus tendon (isolated-tear group) and 9 combined tears of the supraspinatus and infraspinatus tendons (combined-tear group). The cross-sectional area of the subscapularis, supraspinatus, the infraspinatus and teres minor muscles in the coronal oblique MR images were measured before and after surgery. Although we found no difference in tear size, the cross-sectional areas of the muscles were smaller in the combined-tear group than in the isolated-tear group. We conclude that atrophy of the supraspinatus and infraspinatus muscles also depends on the site of the tear.

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Atrophy of the rotator cuff muscles and site of cuff tears

Abstract

ASJC Scopus subject areas

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