Comparative Study on Trunk Range of Motion in Land Balance Tests and Snow Skiing: Implications for Para‐Alpine Sit‐Ski Performance: A Cross Sectional Study
ABSTRACT Background and Aims In the present study, we examined the effect of trunk range of motion (ROM) on turn performance in Para Alpine Skiing by comparing the ROM of the trunk on land with that of the trunk on snow in different classes. We attempted to clarify the relationship between impairmen...
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Wiley
2025-06-01
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| Series: | Health Science Reports |
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| Online Access: | https://doi.org/10.1002/hsr2.70858 |
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| author | Yusuke Ishige Yuki Inaba Noriko Hakamada Akio Kobayashi Shinsuke Yoshioka |
| author_facet | Yusuke Ishige Yuki Inaba Noriko Hakamada Akio Kobayashi Shinsuke Yoshioka |
| author_sort | Yusuke Ishige |
| collection | DOAJ |
| description | ABSTRACT Background and Aims In the present study, we examined the effect of trunk range of motion (ROM) on turn performance in Para Alpine Skiing by comparing the ROM of the trunk on land with that of the trunk on snow in different classes. We attempted to clarify the relationship between impairment tests and athletic performance by examining the relationship between centripetal acceleration during skiing and trunk ROM, which is difficult to reproduce during athletic activities on land. Methods Six male and four female skiers from sitting classes participated in this study. MRI images of the trunk and thigh were obtained. The ROM of the trunk was measured using the motion capture method during the Board Test on land and freeskiing on snow. Results The ROM of the trunk in the Board Test increased with a lower degree of disability. However, there was no relationship between the ROM of the trunk on snow and the degree of disability. A number of lateral flexion angles during turns exceeded the ROM of the trunk on land. The magnitude of centrifugal force did not depend on the degree of impairment. The relationship between the centrifugal force and the lateral flexion angle was linear. Conclusion The Board Test is an appropriate impairment test. During the turn, the body is passively moved because of the centrifugal force acting on it, a value that significantly exceeds the ROM of the trunk on land. The ROM of the trunk on snow was independent of the degree of disability. |
| format | Article |
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| issn | 2398-8835 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | Wiley |
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| spelling | doaj-art-02f9faae25b44f3dba58b59a026ba0e62025-06-27T04:20:56ZengWileyHealth Science Reports2398-88352025-06-0186n/an/a10.1002/hsr2.70858Comparative Study on Trunk Range of Motion in Land Balance Tests and Snow Skiing: Implications for Para‐Alpine Sit‐Ski Performance: A Cross Sectional StudyYusuke Ishige0Yuki Inaba1Noriko Hakamada2Akio Kobayashi3Shinsuke Yoshioka4Department of Sport Science Japan Institute of Sports Sciences, Japan High Performance Sport Center Kita‐ku Tokyo JapanDepartment of Sport Science Japan Institute of Sports Sciences, Japan High Performance Sport Center Kita‐ku Tokyo JapanDepartment of Sport Science Japan Institute of Sports Sciences, Japan High Performance Sport Center Kita‐ku Tokyo JapanDepartment of Orthopaedic Surgery Shiraniwa Hospital Ikoma Nara JapanGraduate School of Arts and Sciences The University of Tokyo Meguro‐ku Tokyo JapanABSTRACT Background and Aims In the present study, we examined the effect of trunk range of motion (ROM) on turn performance in Para Alpine Skiing by comparing the ROM of the trunk on land with that of the trunk on snow in different classes. We attempted to clarify the relationship between impairment tests and athletic performance by examining the relationship between centripetal acceleration during skiing and trunk ROM, which is difficult to reproduce during athletic activities on land. Methods Six male and four female skiers from sitting classes participated in this study. MRI images of the trunk and thigh were obtained. The ROM of the trunk was measured using the motion capture method during the Board Test on land and freeskiing on snow. Results The ROM of the trunk in the Board Test increased with a lower degree of disability. However, there was no relationship between the ROM of the trunk on snow and the degree of disability. A number of lateral flexion angles during turns exceeded the ROM of the trunk on land. The magnitude of centrifugal force did not depend on the degree of impairment. The relationship between the centrifugal force and the lateral flexion angle was linear. Conclusion The Board Test is an appropriate impairment test. During the turn, the body is passively moved because of the centrifugal force acting on it, a value that significantly exceeds the ROM of the trunk on land. The ROM of the trunk on snow was independent of the degree of disability.https://doi.org/10.1002/hsr2.70858centrifugal forcePara Alpine Skiingsitting categorythe Board Testtrunk range of motion |
| spellingShingle | Yusuke Ishige Yuki Inaba Noriko Hakamada Akio Kobayashi Shinsuke Yoshioka Comparative Study on Trunk Range of Motion in Land Balance Tests and Snow Skiing: Implications for Para‐Alpine Sit‐Ski Performance: A Cross Sectional Study Health Science Reports centrifugal force Para Alpine Skiing sitting category the Board Test trunk range of motion |
| title | Comparative Study on Trunk Range of Motion in Land Balance Tests and Snow Skiing: Implications for Para‐Alpine Sit‐Ski Performance: A Cross Sectional Study |
| title_full | Comparative Study on Trunk Range of Motion in Land Balance Tests and Snow Skiing: Implications for Para‐Alpine Sit‐Ski Performance: A Cross Sectional Study |
| title_fullStr | Comparative Study on Trunk Range of Motion in Land Balance Tests and Snow Skiing: Implications for Para‐Alpine Sit‐Ski Performance: A Cross Sectional Study |
| title_full_unstemmed | Comparative Study on Trunk Range of Motion in Land Balance Tests and Snow Skiing: Implications for Para‐Alpine Sit‐Ski Performance: A Cross Sectional Study |
| title_short | Comparative Study on Trunk Range of Motion in Land Balance Tests and Snow Skiing: Implications for Para‐Alpine Sit‐Ski Performance: A Cross Sectional Study |
| title_sort | comparative study on trunk range of motion in land balance tests and snow skiing implications for para alpine sit ski performance a cross sectional study |
| topic | centrifugal force Para Alpine Skiing sitting category the Board Test trunk range of motion |
| url | https://doi.org/10.1002/hsr2.70858 |
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