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Association between global sagittal malalignment and increasing hip joint contact force, analyzed by a novel musculoskeletal modeling system

Patients with adult spinal deformity have various standing postures. Although several studies have reported a relationship between sagittal alignment and exacerbation of hip osteoarthritis, information is limited regarding how spinopelvic sagittal alignment changes affect hip joint loading. This stu...

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Autores principales: Miura, Takanori, Miyakoshi, Naohisa, Saito, Kimio, Kijima, Hiroaki, Iida, Jumpei, Hatakeyama, Kazutoshi, Suzuki, Kotaro, Komatsu, Akira, Iwami, Takehiro, Matsunaga, Tosiki, Shimada, Yoichi
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8553155/
https://www.ncbi.nlm.nih.gov/pubmed/34710144
http://dx.doi.org/10.1371/journal.pone.0259049
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author Miura, Takanori
Miyakoshi, Naohisa
Saito, Kimio
Kijima, Hiroaki
Iida, Jumpei
Hatakeyama, Kazutoshi
Suzuki, Kotaro
Komatsu, Akira
Iwami, Takehiro
Matsunaga, Tosiki
Shimada, Yoichi
author_facet Miura, Takanori
Miyakoshi, Naohisa
Saito, Kimio
Kijima, Hiroaki
Iida, Jumpei
Hatakeyama, Kazutoshi
Suzuki, Kotaro
Komatsu, Akira
Iwami, Takehiro
Matsunaga, Tosiki
Shimada, Yoichi
author_sort Miura, Takanori
collection PubMed
description Patients with adult spinal deformity have various standing postures. Although several studies have reported a relationship between sagittal alignment and exacerbation of hip osteoarthritis, information is limited regarding how spinopelvic sagittal alignment changes affect hip joint loading. This study aimed to investigate the relationship between sagittal spinopelvic-lower limb alignment and the hip joint contact force (HCF) using a novel musculoskeletal model. We enrolled 20 women (78.3±6.7 years) from a single institution. Standing lateral radiographs were acquired to measure thoracic kyphosis, lumbar lordosis, the pelvic tilt, sacral slope, sagittal vertical axis (SVA), femur obliquity angle, and knee flexion angle. In the model simulation, the Anybody Modeling System was used, which alters muscle pathways using magnetic resonance imaging data. Each patient’s alignment was entered into the model; the HCF and hip moment in the standing posture were calculated using inverse dynamics analysis. The relationship between the HCF and each parameter was examined using Spearman’s correlation coefficient (r). The patients were divided into low SVA and high SVA groups, with a cutoff value of 50 mm for the SVA. The HCF was 168.2±60.1 N (%BW) and positively correlated with the SVA (r = 0.6343, p<0.01) and femur obliquity angle (r = 0.4670, p = 0.03). The HCF were 122.2 and 214.1 N (75.2% difference) in the low SVA and high SVA groups, respectively (p<0.01). The flexion moment was also increased in the high SVA group compared with that in the low SVA group (p = 0.03). The SVA and femur obliquity angle are factors related to the HCF, suggesting an association between adult spinal deformity and the exacerbation of hip osteoarthritis. Future studies will need to assess the relationship between the hip joint load and sagittal spinopelvic parameters in dynamic conditions.
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spelling pubmed-85531552021-10-29 Association between global sagittal malalignment and increasing hip joint contact force, analyzed by a novel musculoskeletal modeling system Miura, Takanori Miyakoshi, Naohisa Saito, Kimio Kijima, Hiroaki Iida, Jumpei Hatakeyama, Kazutoshi Suzuki, Kotaro Komatsu, Akira Iwami, Takehiro Matsunaga, Tosiki Shimada, Yoichi PLoS One Research Article Patients with adult spinal deformity have various standing postures. Although several studies have reported a relationship between sagittal alignment and exacerbation of hip osteoarthritis, information is limited regarding how spinopelvic sagittal alignment changes affect hip joint loading. This study aimed to investigate the relationship between sagittal spinopelvic-lower limb alignment and the hip joint contact force (HCF) using a novel musculoskeletal model. We enrolled 20 women (78.3±6.7 years) from a single institution. Standing lateral radiographs were acquired to measure thoracic kyphosis, lumbar lordosis, the pelvic tilt, sacral slope, sagittal vertical axis (SVA), femur obliquity angle, and knee flexion angle. In the model simulation, the Anybody Modeling System was used, which alters muscle pathways using magnetic resonance imaging data. Each patient’s alignment was entered into the model; the HCF and hip moment in the standing posture were calculated using inverse dynamics analysis. The relationship between the HCF and each parameter was examined using Spearman’s correlation coefficient (r). The patients were divided into low SVA and high SVA groups, with a cutoff value of 50 mm for the SVA. The HCF was 168.2±60.1 N (%BW) and positively correlated with the SVA (r = 0.6343, p<0.01) and femur obliquity angle (r = 0.4670, p = 0.03). The HCF were 122.2 and 214.1 N (75.2% difference) in the low SVA and high SVA groups, respectively (p<0.01). The flexion moment was also increased in the high SVA group compared with that in the low SVA group (p = 0.03). The SVA and femur obliquity angle are factors related to the HCF, suggesting an association between adult spinal deformity and the exacerbation of hip osteoarthritis. Future studies will need to assess the relationship between the hip joint load and sagittal spinopelvic parameters in dynamic conditions. Public Library of Science 2021-10-28 /pmc/articles/PMC8553155/ /pubmed/34710144 http://dx.doi.org/10.1371/journal.pone.0259049 Text en © 2021 Miura et al https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Research Article
Miura, Takanori
Miyakoshi, Naohisa
Saito, Kimio
Kijima, Hiroaki
Iida, Jumpei
Hatakeyama, Kazutoshi
Suzuki, Kotaro
Komatsu, Akira
Iwami, Takehiro
Matsunaga, Tosiki
Shimada, Yoichi
Association between global sagittal malalignment and increasing hip joint contact force, analyzed by a novel musculoskeletal modeling system
title Association between global sagittal malalignment and increasing hip joint contact force, analyzed by a novel musculoskeletal modeling system
title_full Association between global sagittal malalignment and increasing hip joint contact force, analyzed by a novel musculoskeletal modeling system
title_fullStr Association between global sagittal malalignment and increasing hip joint contact force, analyzed by a novel musculoskeletal modeling system
title_full_unstemmed Association between global sagittal malalignment and increasing hip joint contact force, analyzed by a novel musculoskeletal modeling system
title_short Association between global sagittal malalignment and increasing hip joint contact force, analyzed by a novel musculoskeletal modeling system
title_sort association between global sagittal malalignment and increasing hip joint contact force, analyzed by a novel musculoskeletal modeling system
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8553155/
https://www.ncbi.nlm.nih.gov/pubmed/34710144
http://dx.doi.org/10.1371/journal.pone.0259049
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