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Landing Evaluation in Soccer Players with or without Anterior Cruciate Ligament Reconstruction.

The purpose of this study was to evaluate landing biomechanics in soccer players following ACLR during two landing tasks. Eighteen soccer players with an ACLR and 18 sex-matched healthy control soccer players participated in the study. Planned landing included jumping forward and landing on the forc...

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Published in:International Journal of Sports Medicine Vol. 41; no. 13; pp. 962 - 972
Main Authors: Alanazi, Ahmad, Mitchell, Katy, Roddey, Toni, Alenazi, Aqeel, Alzhrani, Msaad, Ortiz, Alexis
Format: pictorial research tables/charts Journal Article
Published: Georg Thieme Verlag Stuttgart 2020
Online Access:View this record in EBSCOhost
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        01724622
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      jtl: International Journal of Sports Medicine
      issn: 01724622
      maglogo: N
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      dt: 2020
      vid: 41
      iid: 13
      pid: 4536
      pub: Georg Thieme Verlag Stuttgart
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        147344147
        147344147
        10.1055/a-1171-1900
        147344147
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        atl: Landing Evaluation in Soccer Players with or without Anterior Cruciate Ligament Reconstruction.
      aug:
        au:
          Alanazi, Ahmad
          Mitchell, Katy
          Roddey, Toni
          Alenazi, Aqeel
          Alzhrani, Msaad
          Ortiz, Alexis
        affil: Department of Physical Therapy, Majmaah University, , 11952 Al Majma'ah, Saudi Arabia
      sug:
        subj:
          Soccer
          Athletes
          Anterior Cruciate Ligament Reconstruction
          Physical Performance
          Task Performance and Analysis
          Biomechanics Evaluation
          Human
          Athletic Performance
          Jumping
          Exercise Test Methods
          Knee Physiology
          Flexion
          Hip Physiology
          Gastrocnemius Muscle Physiology
          Soccer Injuries Risk Factors
      ab: The purpose of this study was to evaluate landing biomechanics in soccer players following ACLR during two landing tasks. Eighteen soccer players with an ACLR and 18 sex-matched healthy control soccer players participated in the study. Planned landing included jumping forward and landing on the force-plates, whereas unplanned landing included jumping forward to head a soccer ball and landing on the force-plates. A significant landing×group interaction was found only for knee flexion angles (p=0.002). Follow-up comparisons showed that the ACL group landed with greater knee flexion during planned landing compared with unplanned landing (p<0.001). Significant main effects of landing were found. The unplanned landing showed reduction in hip flexion (p<0.001), hip extension moments (p<0.013), knee extension moments (p<0.001), and peak pressure (p<0.001). A significant main effect for group for gastrocnemius muscle was found showing that the ACL group landed with reduced gastrocnemius activity (p=0.002). Unplanned landing showed greater injury predisposing factors compared with planned landing. The ACL group showed nearly similar landing biomechanics to the control group during both landing tasks. However, the ACL group used a protective landing strategy by reducing gastrocnemius activity.
      pubtype: Academic Journal
      doctype:
        pictorial
        research
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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