Association of upper thoracic motion and scapular upward rotation angle with the occurrence of traumatic shoulder dislocation in rugby players
Background: The study aimed to elucidate the relationship between reduced thoracic elevation mobility and scapular upward rotation and the occurrence of traumatic shoulder dislocation in rugby players, as this relationship is unclear. Methods: First-year college rugby players who underwent medical c...
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Elsevier
2025-07-01
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| Series: | JSES International |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2666638325001008 |
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| author | Takuya Aso, PT, PhD Masaki Tamura, PT, PhD Takuya Maeda, PT, PhD Yu Noguchi, PT, PhD Shunya Inoue, PT, MS Tomoyuki Takahashi, PT, MS Shumpei Furuyama, PT, MS Kanji Furuya, MD, PhD Takeyuki Sambe, MD, PhD Naoya Nishinaka, MD, PhD |
| author_facet | Takuya Aso, PT, PhD Masaki Tamura, PT, PhD Takuya Maeda, PT, PhD Yu Noguchi, PT, PhD Shunya Inoue, PT, MS Tomoyuki Takahashi, PT, MS Shumpei Furuyama, PT, MS Kanji Furuya, MD, PhD Takeyuki Sambe, MD, PhD Naoya Nishinaka, MD, PhD |
| author_sort | Takuya Aso, PT, PhD |
| collection | DOAJ |
| description | Background: The study aimed to elucidate the relationship between reduced thoracic elevation mobility and scapular upward rotation and the occurrence of traumatic shoulder dislocation in rugby players, as this relationship is unclear. Methods: First-year college rugby players who underwent medical checkups were included in this study. Thoracic elevation mobility (upper thoracic mobility) was calculated using straightforward frontal radiographs of the drooped and maximally elevated upper extremity. Moreover, the scapular upward rotation angle was measured using an X-ray scan taken at 45° scapular plane elevation. The athletes were divided into two groups: one with those who had suffered traumatic shoulder dislocation between the medical checkups and their fourth year of college (dislocation group) and another with those who had not suffered shoulder dislocation (no-dislocation group). Upper thoracic mobility and scapular upward rotation measurements were conducted using radiographs. Statistical analysis, including logistic regression, was performed to identify dislocation risk factors. Results: Five and fifty-six players were included in the dislocation and no-dislocation groups, respectively. The upper thoracic mobility and scapular upward rotation angle in the dislocation group were significantly lower than in the no-dislocation group (P = .025 and P = .003). Reduced upper thoracic mobility and reduced scapular upward rotation angles were identified as risk factors for traumatic shoulder dislocation (P = .024 and P = .001, respectively). Conclusion: Decreased upper thoracic mobility and decreased scapular upward rotation angle may be related to traumatic shoulder dislocation. |
| format | Article |
| id | doaj-art-6fa66f1d23844e52adaa2a638ebcd633 |
| institution | OA Journals |
| issn | 2666-6383 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | Elsevier |
| record_format | Article |
| series | JSES International |
| spelling | doaj-art-6fa66f1d23844e52adaa2a638ebcd6332025-08-20T02:36:54ZengElsevierJSES International2666-63832025-07-01941055106010.1016/j.jseint.2025.03.018Association of upper thoracic motion and scapular upward rotation angle with the occurrence of traumatic shoulder dislocation in rugby playersTakuya Aso, PT, PhD0Masaki Tamura, PT, PhD1Takuya Maeda, PT, PhD2Yu Noguchi, PT, PhD3Shunya Inoue, PT, MS4Tomoyuki Takahashi, PT, MS5Shumpei Furuyama, PT, MS6Kanji Furuya, MD, PhD7Takeyuki Sambe, MD, PhD8Naoya Nishinaka, MD, PhD9Showa University Research Institute for Sport and Exercise Sciences, Yokohama, Kanagawa, Japan; Department of Rehabilitation, Showa University Fujigaoka Rehabilitation Hospital, Yokohama, Kanagawa, Japan; Corresponding author: Takuya Aso, PT, PhD, Showa University Research Institute for Sport and Exercise Sciences, 2-1-1 Fujigaoka Aoba-ku, Yokohama, Kanagawa 227-8518, Japan.Showa University Research Institute for Sport and Exercise Sciences, Yokohama, Kanagawa, Japan; Department of Rehabilitation, Showa University Fujigaoka Rehabilitation Hospital, Yokohama, Kanagawa, JapanDepartment of Rehabilitation, Showa University School of Nursing and Rehabilitation Sciences, Yokohama, Kanagawa, JapanDepartment of Rehabilitation, Showa University School of Nursing and Rehabilitation Sciences, Yokohama, Kanagawa, JapanDepartment of Rehabilitation, Showa University Fujigaoka Rehabilitation Hospital, Yokohama, Kanagawa, JapanDepartment of Rehabilitation, Showa University Fujigaoka Rehabilitation Hospital, Yokohama, Kanagawa, JapanDepartment of Rehabilitation, Showa University School of Nursing and Rehabilitation Sciences, Yokohama, Kanagawa, Japan; Department of Rehabilitation, Showa University Fujigaoka Rehabilitation Hospital, Yokohama, Kanagawa, JapanShowa University Research Institute for Sport and Exercise Sciences, Yokohama, Kanagawa, Japan; Department of Orthopaedic Surgery, Showa University Fujigaoka Hospital, Yokohama, Kanagawa, JapanShowa University Research Institute for Sport and Exercise Sciences, Yokohama, Kanagawa, JapanShowa University Research Institute for Sport and Exercise Sciences, Yokohama, Kanagawa, Japan; Department of Rehabilitation, Showa University School of Nursing and Rehabilitation Sciences, Yokohama, Kanagawa, Japan; Department of Orthopaedic Surgery, Showa University Fujigaoka Hospital, Yokohama, Kanagawa, Japan; Showa University Graduate School of Health Sciences, Yokohama, Kanagawa, JapanBackground: The study aimed to elucidate the relationship between reduced thoracic elevation mobility and scapular upward rotation and the occurrence of traumatic shoulder dislocation in rugby players, as this relationship is unclear. Methods: First-year college rugby players who underwent medical checkups were included in this study. Thoracic elevation mobility (upper thoracic mobility) was calculated using straightforward frontal radiographs of the drooped and maximally elevated upper extremity. Moreover, the scapular upward rotation angle was measured using an X-ray scan taken at 45° scapular plane elevation. The athletes were divided into two groups: one with those who had suffered traumatic shoulder dislocation between the medical checkups and their fourth year of college (dislocation group) and another with those who had not suffered shoulder dislocation (no-dislocation group). Upper thoracic mobility and scapular upward rotation measurements were conducted using radiographs. Statistical analysis, including logistic regression, was performed to identify dislocation risk factors. Results: Five and fifty-six players were included in the dislocation and no-dislocation groups, respectively. The upper thoracic mobility and scapular upward rotation angle in the dislocation group were significantly lower than in the no-dislocation group (P = .025 and P = .003). Reduced upper thoracic mobility and reduced scapular upward rotation angles were identified as risk factors for traumatic shoulder dislocation (P = .024 and P = .001, respectively). Conclusion: Decreased upper thoracic mobility and decreased scapular upward rotation angle may be related to traumatic shoulder dislocation.http://www.sciencedirect.com/science/article/pii/S2666638325001008Level IIIRetrospective Cohort ComparisonPrognosis Study |
| spellingShingle | Takuya Aso, PT, PhD Masaki Tamura, PT, PhD Takuya Maeda, PT, PhD Yu Noguchi, PT, PhD Shunya Inoue, PT, MS Tomoyuki Takahashi, PT, MS Shumpei Furuyama, PT, MS Kanji Furuya, MD, PhD Takeyuki Sambe, MD, PhD Naoya Nishinaka, MD, PhD Association of upper thoracic motion and scapular upward rotation angle with the occurrence of traumatic shoulder dislocation in rugby players JSES International Level III Retrospective Cohort Comparison Prognosis Study |
| title | Association of upper thoracic motion and scapular upward rotation angle with the occurrence of traumatic shoulder dislocation in rugby players |
| title_full | Association of upper thoracic motion and scapular upward rotation angle with the occurrence of traumatic shoulder dislocation in rugby players |
| title_fullStr | Association of upper thoracic motion and scapular upward rotation angle with the occurrence of traumatic shoulder dislocation in rugby players |
| title_full_unstemmed | Association of upper thoracic motion and scapular upward rotation angle with the occurrence of traumatic shoulder dislocation in rugby players |
| title_short | Association of upper thoracic motion and scapular upward rotation angle with the occurrence of traumatic shoulder dislocation in rugby players |
| title_sort | association of upper thoracic motion and scapular upward rotation angle with the occurrence of traumatic shoulder dislocation in rugby players |
| topic | Level III Retrospective Cohort Comparison Prognosis Study |
| url | http://www.sciencedirect.com/science/article/pii/S2666638325001008 |
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