Estimating elbow loading conditions through the motion behaviors of subchondral bone density during joint movements
Abstract Evaluating complicated stress across the elbow under joint motion remains difficult. Here, we aimed to evaluate the distribution of the subchondral bone density in the normal elbow bones and further characterize their spatial relationships during elbow motion to estimate the loading stress...
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Nature Portfolio
2024-11-01
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| Series: | Scientific Reports |
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| Online Access: | https://doi.org/10.1038/s41598-024-75647-z |
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| author | Satoshi Miyamura Ryoya Shiode Toru Iwahashi Arisa Kazui Natsuki Yamamoto Tasuku Miyake Seiji Okada Tsuyoshi Murase Kunihiro Oka Hiroyuki Tanaka |
| author_facet | Satoshi Miyamura Ryoya Shiode Toru Iwahashi Arisa Kazui Natsuki Yamamoto Tasuku Miyake Seiji Okada Tsuyoshi Murase Kunihiro Oka Hiroyuki Tanaka |
| author_sort | Satoshi Miyamura |
| collection | DOAJ |
| description | Abstract Evaluating complicated stress across the elbow under joint motion remains difficult. Here, we aimed to evaluate the distribution of the subchondral bone density in the normal elbow bones and further characterize their spatial relationships during elbow motion to estimate the loading stress across the articular surface using three-dimensional computed tomography bone models. The normal elbow joint exhibited a consistent distribution pattern of subchondral bone density. High-density regions were distributed in the capitellum and posterior humeral trochlea, sagittal ridge of the ulnar trochlear notch and ulnar-volar side of the radial head. Motion analyses revealed that the high-density regions proximate with elbow flexion with forearm pronation in the radiocapitellar joint and in the fully extended position in the ulnohumeral joint. This reasonably reflects the stress acting on the joint surface under actual loading conditions. These findings suggest that daily activities involving lifting or carrying objects in these positions are stress-prone activities. |
| format | Article |
| id | doaj-art-cee3f2974ccf4951acae1b1cf24d95b1 |
| institution | OA Journals |
| issn | 2045-2322 |
| language | English |
| publishDate | 2024-11-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj-art-cee3f2974ccf4951acae1b1cf24d95b12025-08-20T02:13:55ZengNature PortfolioScientific Reports2045-23222024-11-0114111310.1038/s41598-024-75647-zEstimating elbow loading conditions through the motion behaviors of subchondral bone density during joint movementsSatoshi Miyamura0Ryoya Shiode1Toru Iwahashi2Arisa Kazui3Natsuki Yamamoto4Tasuku Miyake5Seiji Okada6Tsuyoshi Murase7Kunihiro Oka8Hiroyuki Tanaka9Department of Orthopaedic Surgery, Graduate School of Medicine, Osaka UniversityDepartment of Orthopaedic Surgery, Graduate School of Medicine, Osaka UniversityDepartment of Orthopaedic Surgery, Graduate School of Medicine, Osaka UniversityDepartment of Orthopaedic Surgery, Graduate School of Medicine, Osaka UniversityDepartment of Orthopaedic Surgery, Graduate School of Medicine, Osaka UniversityDepartment of Orthopaedic Surgery, Graduate School of Medicine, Osaka UniversityDepartment of Orthopaedic Surgery, Graduate School of Medicine, Osaka UniversityDepartment of Orthopaedic Surgery, Bell Land General HospitalDepartment of Orthopaedic Biomaterial Science, Graduate School of Medicine, Osaka UniversityDepartment of Sports Medical Science, Graduate School of Medicine, Osaka UniversityAbstract Evaluating complicated stress across the elbow under joint motion remains difficult. Here, we aimed to evaluate the distribution of the subchondral bone density in the normal elbow bones and further characterize their spatial relationships during elbow motion to estimate the loading stress across the articular surface using three-dimensional computed tomography bone models. The normal elbow joint exhibited a consistent distribution pattern of subchondral bone density. High-density regions were distributed in the capitellum and posterior humeral trochlea, sagittal ridge of the ulnar trochlear notch and ulnar-volar side of the radial head. Motion analyses revealed that the high-density regions proximate with elbow flexion with forearm pronation in the radiocapitellar joint and in the fully extended position in the ulnohumeral joint. This reasonably reflects the stress acting on the joint surface under actual loading conditions. These findings suggest that daily activities involving lifting or carrying objects in these positions are stress-prone activities.https://doi.org/10.1038/s41598-024-75647-zBone densityComputed tomography (CT)Elbow jointMotion analysisStress distributionSubchondral bone |
| spellingShingle | Satoshi Miyamura Ryoya Shiode Toru Iwahashi Arisa Kazui Natsuki Yamamoto Tasuku Miyake Seiji Okada Tsuyoshi Murase Kunihiro Oka Hiroyuki Tanaka Estimating elbow loading conditions through the motion behaviors of subchondral bone density during joint movements Scientific Reports Bone density Computed tomography (CT) Elbow joint Motion analysis Stress distribution Subchondral bone |
| title | Estimating elbow loading conditions through the motion behaviors of subchondral bone density during joint movements |
| title_full | Estimating elbow loading conditions through the motion behaviors of subchondral bone density during joint movements |
| title_fullStr | Estimating elbow loading conditions through the motion behaviors of subchondral bone density during joint movements |
| title_full_unstemmed | Estimating elbow loading conditions through the motion behaviors of subchondral bone density during joint movements |
| title_short | Estimating elbow loading conditions through the motion behaviors of subchondral bone density during joint movements |
| title_sort | estimating elbow loading conditions through the motion behaviors of subchondral bone density during joint movements |
| topic | Bone density Computed tomography (CT) Elbow joint Motion analysis Stress distribution Subchondral bone |
| url | https://doi.org/10.1038/s41598-024-75647-z |
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