Comparative analysis of spatiotemporal gait parameters in patients with distal femoral megaprosthesis and healthy subjects using an inertial measurement unit (IMU)
Limb salvage surgery (LSS) with megaprosthesis is a common treatment for distal femur tumors, but its impact on gait remains poorly understood. Traditional gait analysis methods are costly and require specialized equipment. This study aims to compare spatiotemporal gait parameters between patients w...
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Cambridge University Press
2025-01-01
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| Series: | Wearable Technologies |
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| Online Access: | https://www.cambridge.org/core/product/identifier/S2631717625100091/type/journal_article |
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| author | Nadia Jover-Jorge Paula González-Rojo José Vicente Amaya-Valero Francisco Baixauli-García Carolina de la Calva-Ceinós Manuel Angulo-Sánchez Javier Martínez-Gramage Juan Francisco Lisón |
| author_facet | Nadia Jover-Jorge Paula González-Rojo José Vicente Amaya-Valero Francisco Baixauli-García Carolina de la Calva-Ceinós Manuel Angulo-Sánchez Javier Martínez-Gramage Juan Francisco Lisón |
| author_sort | Nadia Jover-Jorge |
| collection | DOAJ |
| description | Limb salvage surgery (LSS) with megaprosthesis is a common treatment for distal femur tumors, but its impact on gait remains poorly understood. Traditional gait analysis methods are costly and require specialized equipment. This study aims to compare spatiotemporal gait parameters between patients with distal femur megaprosthesis and healthy controls using an inertial measurement unit (IMU). We conducted a case–control study with 79 participants: 31 patients with distal femur megaprosthesis and 48 healthy controls. Gait data were collected using an IMU placed at L5-S1, capturing metrics such as gait quality index (GQI), pelvic kinematics, propulsion index, and gait speed. Statistical analysis included Student’s t-test, Mann–Whitney U test, and one-way ANOVA to compare gait parameters across groups. Patients with megaprosthesis exhibited significantly lower gait speed, propulsion index and anteroposterior acceleration symmetry index compared to controls (p < .05). GQI was reduced in the healthy legs of the cases (92.3%) compared to control legs (96.6%). Adaptations included prolonged stance phases in healthy legs and decreased single support phases in prosthetic legs. Despite these changes, gait patterns remained within functional ranges. IMU-based gait analysis reveals significant but functional alterations in gait mechanics among patients with distal femoral megaprosthesis. These findings underscore the need for tailored rehabilitation strategies to address compensatory mechanisms, optimize mobility, and enhance long-term outcomes. The use of IMU technology offers a cost-effective and portable alternative for clinical gait assessments. |
| format | Article |
| id | doaj-art-b469a3beba9343f8a0bc3f30efc4ebee |
| institution | OA Journals |
| issn | 2631-7176 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Cambridge University Press |
| record_format | Article |
| series | Wearable Technologies |
| spelling | doaj-art-b469a3beba9343f8a0bc3f30efc4ebee2025-08-20T02:06:01ZengCambridge University PressWearable Technologies2631-71762025-01-01610.1017/wtc.2025.10009Comparative analysis of spatiotemporal gait parameters in patients with distal femoral megaprosthesis and healthy subjects using an inertial measurement unit (IMU)Nadia Jover-Jorge0Paula González-Rojo1José Vicente Amaya-Valero2Francisco Baixauli-García3Carolina de la Calva-Ceinós4Manuel Angulo-Sánchez5Javier Martínez-Gramage6https://orcid.org/0000-0002-4042-3214Juan Francisco Lisón7Department of Orthopedic Surgery and Traumatology, https://ror.org/01ar2v535Hospital Universitario y Politécnico la Fe, Valencia, SpainOrthopedic Surgery and Traumatology Research Group, https://ror.org/05n7v5997Instituto de Investigación sanitaria la Fe, Valencia, SpainDepartment of Orthopedic Surgery and Traumatology, https://ror.org/01ar2v535Hospital Universitario y Politécnico la Fe, Valencia, SpainDepartment of Orthopedic Surgery and Traumatology, https://ror.org/01ar2v535Hospital Universitario y Politécnico la Fe, Valencia, SpainDepartment of Orthopedic Surgery and Traumatology, https://ror.org/01ar2v535Hospital Universitario y Politécnico la Fe, Valencia, SpainDepartment of Orthopedic Surgery and Traumatology, https://ror.org/01ar2v535Hospital Universitario y Politécnico la Fe, Valencia, SpainDepartment of Physiotherapy, https://ror.org/01tnh0829Universidad Cardenal Herrera-CEU, CEU Universities, Valencia, SpainDepartment of Biomedical Sciences, https://ror.org/01tnh0829Universidad Cardenal Herrera-CEU, CEU Universities, Valencia, Spain Centre of Physiopathology of Obesity and Nutrition (CIBERobn), https://ror.org/00ca2c886Instituto de Salud Carlos III, Madrid, SpainLimb salvage surgery (LSS) with megaprosthesis is a common treatment for distal femur tumors, but its impact on gait remains poorly understood. Traditional gait analysis methods are costly and require specialized equipment. This study aims to compare spatiotemporal gait parameters between patients with distal femur megaprosthesis and healthy controls using an inertial measurement unit (IMU). We conducted a case–control study with 79 participants: 31 patients with distal femur megaprosthesis and 48 healthy controls. Gait data were collected using an IMU placed at L5-S1, capturing metrics such as gait quality index (GQI), pelvic kinematics, propulsion index, and gait speed. Statistical analysis included Student’s t-test, Mann–Whitney U test, and one-way ANOVA to compare gait parameters across groups. Patients with megaprosthesis exhibited significantly lower gait speed, propulsion index and anteroposterior acceleration symmetry index compared to controls (p < .05). GQI was reduced in the healthy legs of the cases (92.3%) compared to control legs (96.6%). Adaptations included prolonged stance phases in healthy legs and decreased single support phases in prosthetic legs. Despite these changes, gait patterns remained within functional ranges. IMU-based gait analysis reveals significant but functional alterations in gait mechanics among patients with distal femoral megaprosthesis. These findings underscore the need for tailored rehabilitation strategies to address compensatory mechanisms, optimize mobility, and enhance long-term outcomes. The use of IMU technology offers a cost-effective and portable alternative for clinical gait assessments.https://www.cambridge.org/core/product/identifier/S2631717625100091/type/journal_articleMegaprosthesisLimb salvage surgeryGait analysisInertial measurement unit (IMU)Spatiotemporal gait parametersDistal femur tumour |
| spellingShingle | Nadia Jover-Jorge Paula González-Rojo José Vicente Amaya-Valero Francisco Baixauli-García Carolina de la Calva-Ceinós Manuel Angulo-Sánchez Javier Martínez-Gramage Juan Francisco Lisón Comparative analysis of spatiotemporal gait parameters in patients with distal femoral megaprosthesis and healthy subjects using an inertial measurement unit (IMU) Wearable Technologies Megaprosthesis Limb salvage surgery Gait analysis Inertial measurement unit (IMU) Spatiotemporal gait parameters Distal femur tumour |
| title | Comparative analysis of spatiotemporal gait parameters in patients with distal femoral megaprosthesis and healthy subjects using an inertial measurement unit (IMU) |
| title_full | Comparative analysis of spatiotemporal gait parameters in patients with distal femoral megaprosthesis and healthy subjects using an inertial measurement unit (IMU) |
| title_fullStr | Comparative analysis of spatiotemporal gait parameters in patients with distal femoral megaprosthesis and healthy subjects using an inertial measurement unit (IMU) |
| title_full_unstemmed | Comparative analysis of spatiotemporal gait parameters in patients with distal femoral megaprosthesis and healthy subjects using an inertial measurement unit (IMU) |
| title_short | Comparative analysis of spatiotemporal gait parameters in patients with distal femoral megaprosthesis and healthy subjects using an inertial measurement unit (IMU) |
| title_sort | comparative analysis of spatiotemporal gait parameters in patients with distal femoral megaprosthesis and healthy subjects using an inertial measurement unit imu |
| topic | Megaprosthesis Limb salvage surgery Gait analysis Inertial measurement unit (IMU) Spatiotemporal gait parameters Distal femur tumour |
| url | https://www.cambridge.org/core/product/identifier/S2631717625100091/type/journal_article |
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