Three‐dimensional kinematic and kinetic analysis of knee rotational stability in ACL‐deficient patients during walking, running and pivoting
Abstract Background Anterior cruciate ligament (ACL) deficiency leads to altered stability of the knee. The purpose of this study was to compare the dynamic, rotational stability of the knee, expressed as rotational stiffness, between anterior cruciate ligament‐deficient (ACLD) knees, their contrala...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2016-01-01
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| Series: | Journal of Experimental Orthopaedics |
| Subjects: | |
| Online Access: | https://doi.org/10.1186/s40634-016-0062-4 |
| _version_ | 1797321377301135360 |
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| author | Marie Bagger Bohn Annemette Krintel Petersen Dennis Brandborg Nielsen Henrik Sørensen Martin Lind |
| author_facet | Marie Bagger Bohn Annemette Krintel Petersen Dennis Brandborg Nielsen Henrik Sørensen Martin Lind |
| author_sort | Marie Bagger Bohn |
| collection | DOAJ |
| description | Abstract Background Anterior cruciate ligament (ACL) deficiency leads to altered stability of the knee. The purpose of this study was to compare the dynamic, rotational stability of the knee, expressed as rotational stiffness, between anterior cruciate ligament‐deficient (ACLD) knees, their contralateral intact knees (ACLI) and a knee healthy control group during walking, running and 90° pivoting. We hypothesized a larger tibial internal rotation, a smaller knee joint external moment and a lower rotational stiffness in the ACLD group compared to the ACLI and the control group. Methods Kinematic and kinetic data were collected from both legs of 44 ACLD patients and 16 healthy controls during walking, running and a pivoting maneuver (descending a staircase and immediately pivoting 90° on the landing leg). Motion data were captured using 8 high‐speed cameras and a force‐plate. Reflective markers were attached to bony landmarks of the lower limb and rigid clusters on the shank and thigh (CASH model). Maximum internal tibial rotation and the corresponding rotational moment were identified for all tasks and groups and used to calculate rotational stiffness (= Δmoment /Δrotation) of the knee. Results The tibial internal rotation of the ACLD knee was not significantly different from the ACLI knee during all three tasks. During walking and running, the tibial rotation of the control group was significantly different from both legs of the ACL‐injured patient. For pivoting, no difference in tibial rotation between knees of the ACLD, ACLI and the control group was found. Knee joint external moments were not significantly different between the three groups during walking and pivoting. During running, the moments of the ACLI group were significantly higher than both the knees of the ACLD and the control group. Rotational stiffness did not differ significantly between groups in any of the three tasks. Conclusion A high‐intensity activity combining stair descent and pivoting produces similar angular rotations, knee joint external moments and rotational stiffness in ACLD knees compared to ACLI knees and the control group. During running, the ACLI knee displayed a higher external moment than the ACLD and the healthy control group. This could indicate some type of protective strategy or muscular adaptation in the ACL‐injured patients. |
| first_indexed | 2024-03-08T04:57:42Z |
| format | Article |
| id | doaj.art-aa6b8b4d5b004f4888f30b70d700275e |
| institution | Directory Open Access Journal |
| issn | 2197-1153 |
| language | English |
| last_indexed | 2024-03-08T04:57:42Z |
| publishDate | 2016-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Journal of Experimental Orthopaedics |
| spelling | doaj.art-aa6b8b4d5b004f4888f30b70d700275e2024-02-07T15:05:53ZengWileyJournal of Experimental Orthopaedics2197-11532016-01-0131n/an/a10.1186/s40634-016-0062-4Three‐dimensional kinematic and kinetic analysis of knee rotational stability in ACL‐deficient patients during walking, running and pivotingMarie Bagger Bohn0Annemette Krintel Petersen1Dennis Brandborg Nielsen2Henrik Sørensen3Martin Lind4Division of SportstraumaDepartment of OrthopedicsAarhus University HospitalTage Hansens Gade 28000Aarhus CDenmarkDepartment of Physiotherapy and Occupational TherapyAarhus University HospitalPalle Juul‐Jensens Boulevard 998200Aarhus NDenmarkDepartment of Public Health – SportAarhus UniversityDalgas Avenue 48000Aarhus CDenmarkDepartment of Public Health – SportAarhus UniversityDalgas Avenue 48000Aarhus CDenmarkDivision of SportstraumaDepartment of OrthopedicsAarhus University HospitalTage Hansens Gade 28000Aarhus CDenmarkAbstract Background Anterior cruciate ligament (ACL) deficiency leads to altered stability of the knee. The purpose of this study was to compare the dynamic, rotational stability of the knee, expressed as rotational stiffness, between anterior cruciate ligament‐deficient (ACLD) knees, their contralateral intact knees (ACLI) and a knee healthy control group during walking, running and 90° pivoting. We hypothesized a larger tibial internal rotation, a smaller knee joint external moment and a lower rotational stiffness in the ACLD group compared to the ACLI and the control group. Methods Kinematic and kinetic data were collected from both legs of 44 ACLD patients and 16 healthy controls during walking, running and a pivoting maneuver (descending a staircase and immediately pivoting 90° on the landing leg). Motion data were captured using 8 high‐speed cameras and a force‐plate. Reflective markers were attached to bony landmarks of the lower limb and rigid clusters on the shank and thigh (CASH model). Maximum internal tibial rotation and the corresponding rotational moment were identified for all tasks and groups and used to calculate rotational stiffness (= Δmoment /Δrotation) of the knee. Results The tibial internal rotation of the ACLD knee was not significantly different from the ACLI knee during all three tasks. During walking and running, the tibial rotation of the control group was significantly different from both legs of the ACL‐injured patient. For pivoting, no difference in tibial rotation between knees of the ACLD, ACLI and the control group was found. Knee joint external moments were not significantly different between the three groups during walking and pivoting. During running, the moments of the ACLI group were significantly higher than both the knees of the ACLD and the control group. Rotational stiffness did not differ significantly between groups in any of the three tasks. Conclusion A high‐intensity activity combining stair descent and pivoting produces similar angular rotations, knee joint external moments and rotational stiffness in ACLD knees compared to ACLI knees and the control group. During running, the ACLI knee displayed a higher external moment than the ACLD and the healthy control group. This could indicate some type of protective strategy or muscular adaptation in the ACL‐injured patients.https://doi.org/10.1186/s40634-016-0062-4ACLACL‐deficientMotion analysisStiffnessLaxityPivoting |
| spellingShingle | Marie Bagger Bohn Annemette Krintel Petersen Dennis Brandborg Nielsen Henrik Sørensen Martin Lind Three‐dimensional kinematic and kinetic analysis of knee rotational stability in ACL‐deficient patients during walking, running and pivoting Journal of Experimental Orthopaedics ACL ACL‐deficient Motion analysis Stiffness Laxity Pivoting |
| title | Three‐dimensional kinematic and kinetic analysis of knee rotational stability in ACL‐deficient patients during walking, running and pivoting |
| title_full | Three‐dimensional kinematic and kinetic analysis of knee rotational stability in ACL‐deficient patients during walking, running and pivoting |
| title_fullStr | Three‐dimensional kinematic and kinetic analysis of knee rotational stability in ACL‐deficient patients during walking, running and pivoting |
| title_full_unstemmed | Three‐dimensional kinematic and kinetic analysis of knee rotational stability in ACL‐deficient patients during walking, running and pivoting |
| title_short | Three‐dimensional kinematic and kinetic analysis of knee rotational stability in ACL‐deficient patients during walking, running and pivoting |
| title_sort | three dimensional kinematic and kinetic analysis of knee rotational stability in acl deficient patients during walking running and pivoting |
| topic | ACL ACL‐deficient Motion analysis Stiffness Laxity Pivoting |
| url | https://doi.org/10.1186/s40634-016-0062-4 |
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