Knee strength outcomes in adolescents by age and sex during late-stage rehabilitation after anterior cruciate ligament reconstruction

To determine if knee strength differences exist according to age group and sex among adolescents during late-stage anterior cruciate ligament reconstruction (ACLR) rehabilitation. Retrospective cohort study. Consecutive patients who had undergone ACLR with a hamstring autograft completed isokinetic...

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Bibliographic Details
Published in:Physical therapy in sport 2021-09, Vol.51, p.102-109
Main Authors: Roman, Dylan P., Ness, Brandon M., Giampetruzzi, Nicholas, Cleland, Joshua A., Weaver, Adam
Format: Article
Language:English
Subjects:
Adolescent
Age groups
Anterior cruciate ligament reconstruction
Child development
Children & youth
Females
Joint and ligament injuries
Knee
Males
Patients
Physical therapy
Quadriceps strength
Range of motion
Rehabilitation
Sports injuries
Sports medicine
Statistical analysis
Surgery
Symmetry
Teenagers
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Summary:To determine if knee strength differences exist according to age group and sex among adolescents during late-stage anterior cruciate ligament reconstruction (ACLR) rehabilitation. Retrospective cohort study. Consecutive patients who had undergone ACLR with a hamstring autograft completed isokinetic knee strength assessment. Patients were categorized into early (ages 11–14 years) and middle (ages 15–17 years) adolescence. A two-way MANOVA was used to examine strength differences according to age group and sex. 144 patients were included in the analysis (56.9% females, age = 15.3 ± 1.5 years; days since surgery = 228.2 ± 41.2). Differences in quadriceps peak torque were identified between age groups on the involved (p = 0.001) and uninvolved limbs (p 
ISSN:1466-853X
1873-1600
DOI:10.1016/j.ptsp.2021.07.004