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Journal of Orthopaedics and Traumatology

, Volume 18, Issue 2, pp 177–184

First Online: 30 March 2017Received: 26 October 2015Accepted: 13 March 2017DOI: 10.1007-s10195-017-0456-9

Cite this article as: Moya-Angeler, J., Vaquero, J. & Forriol, F. J Orthop Traumatol 2017 18: 177. doi:10.1007-s10195-017-0456-9

Abstract

BackgroundThe purpose of this study was to evaluate the functional status prior to and at different times after anterior cruciate ligament reconstruction ACLR, and to analyze the changes in the kinetic patterns of the involved and uninvolved lower limb during gait, sprint and three hop tests.

Materials and methodsSeventy-four male patients with an ACL injury were included in the study. All patients performed a standardized kinetic protocol including gait, sprint and three hop tests single-leg hop, drop vertical jump and vertical jump tests, preoperatively and at 3, 6, and 12 months after ACLR with a semitendinosus gracilis tendon autograft. Measurements were performed with two force plates. The lower limb symmetry index LSI was calculated to determine whether a side-to-side leg difference was classified as normal LSI >90% or abnormal LSI <90%.

ResultsThe LSI presented high values >90% at almost all times before and after ACLR in gait, sprint and single-leg hop tests p < 0.005, with a tendency to increase postoperatively. A lower LSI was observed <90% in tests where both extremities were tested simultaneously, such as the drop vertical jump and vertical hop tests p < 0.05.

ConclusionWe observed a tendency to increase symmetry restoration in the kinetics of the involved and uninvolved limb up to twelve months after ACLR, especially in those tests, in which, both limbs were tested individually gait analysis, sprint and single-leg hop tests. Therefore, the isolation of the involved and uninvolved limb seems to be a critical component in the functional rehabilitation and evaluation of patients before and after ACLR.

Level of evidencelevel III.

KeywordsKnee kinetics ACL deficiency ACL reconstruction Hop tests Semitendinosus gracilis autograft This work was carried out at the Hospital FREMAP Majadahonda in Madrid.





Autor: Joaquín Moya-Angeler - Javier Vaquero - Francisco Forriol

Fuente: https://link.springer.com/







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