دورية أكاديمية
Three-dimensional alignment of the upper extremity in the standing neutral position in healthy subjects
| العنوان: | Three-dimensional alignment of the upper extremity in the standing neutral position in healthy subjects |
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| المؤلفون: | Yuki Yoshida, Noboru Matsumura, Yoshitake Yamada, Satoshi Hiraga, Kazunori Ishii, Satoshi Oki, Yoichi Yokoyama, Minoru Yamada, Masaya Nakamura, Takeo Nagura, Masahiro Jinzaki |
| المصدر: | Journal of Orthopaedic Surgery and Research, Vol 17, Iss 1, Pp 1-9 (2022) |
| بيانات النشر: | BMC, 2022. |
| سنة النشر: | 2022 |
| المجموعة: | LCC:Orthopedic surgery LCC:Diseases of the musculoskeletal system |
| مصطلحات موضوعية: | Neutral posture, Shoulder, Elbow, Scapulothoracic joint, Glenohumeral joint, Upright computed tomography, Orthopedic surgery, RD701-811, Diseases of the musculoskeletal system, RC925-935 |
| الوصف: | Abstract Background Though alignment of the spine and lower extremities in the standing neutral position has been evaluated, a few studies evaluating the alignment of the upper extremities have also been made. This study assessed the normal alignment of the upper extremities in the standing neutral position and clarified the three-dimensional angular rotations of the upper extremity joints. Methods Computed tomography (CT) images of 158 upper extremities from 79 healthy volunteers were prospectively acquired in the standing neutral position using an upright CT scanner. Three-dimensional coordinate systems of the thorax, scapula, humerus, and forearm were designated, and three-dimensional angular rotations of the scapulothoracic, glenohumeral, and elbow joints were calculated. Results The median angle of the scapulothoracic joint was 9.2° (interquartile range [IQR], 5.2°–12.5°) of upward rotation, 29.0° (IQR, 24.9°–33.3°) of internal rotation, and 7.9° (IQR, 4.3°–11.8°) of anterior tilt. The median angle of the glenohumeral joint was 4.5° (IQR, 0.9°–7.8°) of abduction, 9.0° (IQR, 2.2°–19.0°) of internal rotation, and 0.3° (IQR, − 2.6°–3.1°) of extension. The median angle of the elbow joint was 9.8° (IQR, 6.9°–12.4°) of valgus, 90.2° (IQR, 79.6°–99.4°) of pronation, and 15.5° (IQR, 13.2°–18.1°) of flexion. Correlations in angular rotation values were found between the right and left upper extremities and between joints. Conclusions This study clarified the three-dimensional angular rotation of upper extremity joints in the standing neutral position using an upright CT scanner. Our results may provide important insights for the functional evaluation of upper extremity alignment. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English |
| تدمد: | 1749-799X |
| Relation: | https://doaj.org/toc/1749-799X |
| DOI: | 10.1186/s13018-022-03113-5 |
| URL الوصول: | https://doaj.org/article/9d8c9683a97a4aefa31a3a1eae0bd576 |
| رقم الأكسشن: | edsdoj.9d8c9683a97a4aefa31a3a1eae0bd576 |
| قاعدة البيانات: | Directory of Open Access Journals |
Find this article in full text from Springer Verlag. 
Full Text Finder | تدمد: | 1749799X |
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| DOI: | 10.1186/s13018-022-03113-5 |