Anterior cruciate ligament reconstructed females who pass or fail a functional test battery do not exhibit differences in knee joint landing biomechanics asymmetry before and after exercise

Purpose A functional test battery (FTB) has been proposed to evaluate the readiness of return to activity after ACLR. However, there is limited evidence documenting the usefulness of an FTB. Therefore, the purpose of the current investigation was to compare knee joint landing biomechanics asymmetry...

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Bibliographic Details
Published in:Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA sports traumatology, arthroscopy : official journal of the ESSKA, 2020-06, Vol.28 (6), p.1960-1970
Main Authors: Chang, Eunwook, Johnson, Samuel T., Pollard, Christine D., Hoffman, Mark A., Norcross, Marc F.
Format: Article
Language:English
Subjects:
Activities of Daily Living
Adolescent
Anterior cruciate ligament
Anterior Cruciate Ligament - surgery
Anterior Cruciate Ligament Injuries - surgery
Anterior Cruciate Ligament Reconstruction
Asymmetry
Biomechanical Phenomena
Biomechanics
Exercise
Exercise Test
Female
Females
Functional testing
Humans
Joints (anatomy)
Knee
Knee - physiopathology
Knee Joint - surgery
Landing
Leg
Medicine
Medicine & Public Health
Orthopedics
Quadriceps muscle
Quadriceps Muscle - physiopathology
Return to Sport
Shear forces
Tibia - physiopathology
Vertical forces
Young Adult
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Summary:Purpose A functional test battery (FTB) has been proposed to evaluate the readiness of return to activity after ACLR. However, there is limited evidence documenting the usefulness of an FTB. Therefore, the purpose of the current investigation was to compare knee joint landing biomechanics asymmetry during double-leg jump landing (DLJL) and single-leg jump cutting (SLJC) between healthy females and ACLR females who pass (ACLR-pass) or fail (ACLR-fail) an FTB before and after the completion of a sustained exercise protocol. Method Eighteen ACLR females (ten ACLR-pass and eight ACLR-fail) and twelve healthy females performed an FTB including The 2000 International Knee Documentation Committee Subjective Knee Evaluation Form, the Knee Outcome Survey Activities of Daily Living Scale, quadriceps strength, and single-leg hop tests. DLJL and SLJC knee joint biomechanics asymmetry were measured before and after exercise. Results During DLJL, there were significant main effects of group on peak anterior tibial shear force (ATSF) asymmetry [ F (2,27)  = 3.86, p  
ISSN:0942-2056
1433-7347
DOI:10.1007/s00167-019-05707-9