Influence of Sagittal Lumbopelvic Morphotypes on the Range of Motion of Human Lumbar Spine: An In Vitro Cadaveric Study
Background: Although spinopelvic radiographs analysis is the standard for a pathological diagnosis, it cannot explain the activities of the spine in daily life. This study investigates the correlation between sagittal parameters and spinal range of motion (ROM) to find morphological parameters with...
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MDPI AG
2022-05-01
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| Series: | Bioengineering |
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| Online Access: | https://www.mdpi.com/2306-5354/9/5/224 |
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| author | Wei Wang Chao Kong Fumin Pan Wei Wang Xueqing Wu Baoqing Pei Shibao Lu |
| author_facet | Wei Wang Chao Kong Fumin Pan Wei Wang Xueqing Wu Baoqing Pei Shibao Lu |
| author_sort | Wei Wang |
| collection | DOAJ |
| description | Background: Although spinopelvic radiographs analysis is the standard for a pathological diagnosis, it cannot explain the activities of the spine in daily life. This study investigates the correlation between sagittal parameters and spinal range of motion (ROM) to find morphological parameters with kinetic implications. Methods: Six L1–S1 human lumbar specimens were tested with a robotic testing device. Eight sagittal parameters were measured in the three-dimensional model. Pure moments were applied to simulate the physiological activities in daily life. Results: The correlation between sagittal parameters and the ROM was moderate in flexion and extension, but weak in lateral bending and rotation. In flexion–extension, the ROM was moderately correlated with SS and LL. SS was the only parameter correlated with the ROM under all loading conditions. The intervertebral rotation distribution showed that the maximal ROM frequently occurred at the L5–S1 segment. The minimal ROM often appeared near the apex point of the lumbar. Conclusion: Sagittal alignment mainly affected the ROM of the lumbar in flexion and extension. SS and apex may have had kinetic significance. Our findings suggest that the effect of sagittal parameters on lumbar ROM is important information for assessing spinal activity. |
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| language | English |
| last_indexed | 2024-03-10T03:19:03Z |
| publishDate | 2022-05-01 |
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| spelling | doaj.art-03fa3932940d494dbdb8583d17a99a732023-11-23T10:05:59ZengMDPI AGBioengineering2306-53542022-05-019522410.3390/bioengineering9050224Influence of Sagittal Lumbopelvic Morphotypes on the Range of Motion of Human Lumbar Spine: An In Vitro Cadaveric StudyWei Wang0Chao Kong1Fumin Pan2Wei Wang3Xueqing Wu4Baoqing Pei5Shibao Lu6Department of Orthopedics, Xuanwu Hospital, Capital Medical University, Beijing 100053, ChinaDepartment of Orthopedics, Xuanwu Hospital, Capital Medical University, Beijing 100053, ChinaDepartment of Orthopedics, Xuanwu Hospital, Capital Medical University, Beijing 100053, ChinaDepartment of Orthopedics, Xuanwu Hospital, Capital Medical University, Beijing 100053, ChinaBeijing Key Laboratory for Design and Evaluation Technology of Advanced Implantable & Interventional Medical Devices, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, ChinaBeijing Key Laboratory for Design and Evaluation Technology of Advanced Implantable & Interventional Medical Devices, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, ChinaDepartment of Orthopedics, Xuanwu Hospital, Capital Medical University, Beijing 100053, ChinaBackground: Although spinopelvic radiographs analysis is the standard for a pathological diagnosis, it cannot explain the activities of the spine in daily life. This study investigates the correlation between sagittal parameters and spinal range of motion (ROM) to find morphological parameters with kinetic implications. Methods: Six L1–S1 human lumbar specimens were tested with a robotic testing device. Eight sagittal parameters were measured in the three-dimensional model. Pure moments were applied to simulate the physiological activities in daily life. Results: The correlation between sagittal parameters and the ROM was moderate in flexion and extension, but weak in lateral bending and rotation. In flexion–extension, the ROM was moderately correlated with SS and LL. SS was the only parameter correlated with the ROM under all loading conditions. The intervertebral rotation distribution showed that the maximal ROM frequently occurred at the L5–S1 segment. The minimal ROM often appeared near the apex point of the lumbar. Conclusion: Sagittal alignment mainly affected the ROM of the lumbar in flexion and extension. SS and apex may have had kinetic significance. Our findings suggest that the effect of sagittal parameters on lumbar ROM is important information for assessing spinal activity.https://www.mdpi.com/2306-5354/9/5/224sagittal parametersrange of motionhuman lumbar spinecorrelation analysisin vitro experiment |
| spellingShingle | Wei Wang Chao Kong Fumin Pan Wei Wang Xueqing Wu Baoqing Pei Shibao Lu Influence of Sagittal Lumbopelvic Morphotypes on the Range of Motion of Human Lumbar Spine: An In Vitro Cadaveric Study Bioengineering sagittal parameters range of motion human lumbar spine correlation analysis in vitro experiment |
| title | Influence of Sagittal Lumbopelvic Morphotypes on the Range of Motion of Human Lumbar Spine: An In Vitro Cadaveric Study |
| title_full | Influence of Sagittal Lumbopelvic Morphotypes on the Range of Motion of Human Lumbar Spine: An In Vitro Cadaveric Study |
| title_fullStr | Influence of Sagittal Lumbopelvic Morphotypes on the Range of Motion of Human Lumbar Spine: An In Vitro Cadaveric Study |
| title_full_unstemmed | Influence of Sagittal Lumbopelvic Morphotypes on the Range of Motion of Human Lumbar Spine: An In Vitro Cadaveric Study |
| title_short | Influence of Sagittal Lumbopelvic Morphotypes on the Range of Motion of Human Lumbar Spine: An In Vitro Cadaveric Study |
| title_sort | influence of sagittal lumbopelvic morphotypes on the range of motion of human lumbar spine an in vitro cadaveric study |
| topic | sagittal parameters range of motion human lumbar spine correlation analysis in vitro experiment |
| url | https://www.mdpi.com/2306-5354/9/5/224 |
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