Ankle Dorsiflexion displacement is associated with hip and knee kinematics in females following anterior cruciate ligament reconstruction

Laura E. Stanley, Matthew Harkey, Brittney Luc-Harkey, Barnett S. Frank, Brian G Pietrosimone, Jonathan Troy Blackburn, Darin A Padua

Research output: Contribution to journalArticle

Abstract

The purpose of this study was to examine associations between ankle dorsiflexion (ankle-DF) displacement and knee and hip kinematics and kinetics during a jump-landing task in females following anterior cruciate ligament reconstruction (ACLR). Females (n = 23) with a history of unilateral ACLR (≥ 6-months post-ACLR) underwent a three-dimensional lower extremity biomechanical evaluation. Pearson Product Moment (r) correlations assessed associations between ankle-DF displacement and knee and hip kinematic and kinetic variables. On the involved-limb, individuals with lesser ankle-DF displacement demonstrated greater knee abduction displacement during the loading phase (r = -0.645, p = 0.001). On the uninvolved-limb, individuals with greater ankle-DF displacement demonstrated greater hip flexion displacement (r = 0.599, p = 0.003) and knee flexion displacement (r = -0.545, p = 0.007). There were no other significant associations between ankle-DF displacement and ankle, knee, or hip biomechanical variables on either limb (p > 0.05). Our findings demonstrate that reduced ankle-DF motion appears to share a different relationship between the involved- and uninvolved-limbs in females post-ACLR.

LanguageEnglish (US)
Pages21-33
Number of pages13
JournalResearch in Sports Medicine
Volume27
Issue number1
DOIs
StatePublished - Jan 2 2019

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Anterior Cruciate Ligament Reconstruction
Biomechanical Phenomena
Ankle
Hip
Knee
Hip Dislocation
Extremities
Lower Extremity

Keywords

  • Anterior cruciate ligament (ACL)
  • ankle motion
  • female
  • landing biomechanics
  • symmetry

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

Cite this

Ankle Dorsiflexion displacement is associated with hip and knee kinematics in females following anterior cruciate ligament reconstruction. / Stanley, Laura E.; Harkey, Matthew; Luc-Harkey, Brittney; Frank, Barnett S.; Pietrosimone, Brian G; Blackburn, Jonathan Troy; Padua, Darin A.

In: Research in Sports Medicine, Vol. 27, No. 1, 02.01.2019, p. 21-33.

Research output: Contribution to journalArticle

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