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Differences in Gait Biomechanics Between Adolescents and Young Adults With Anterior Cruciate Ligament Reconstruction.
In: Journal of Athletic Training (Allen Press), Jg. 57 (2022-09-01), Heft 9/10, S. 921-928
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Zugriff:
Adolescents and adults are treated similarly in rehabilitation and research despite differences in clinical recovery after anterior cruciate ligament reconstruction (ACLR). Aberrant gait is a clinical outcome associated with poor long-term health post-ACLR but has not been compared between adolescents and adults. To compare gait biomechanical waveforms throughout stance between adolescents (< 18 years old) and young adults (≥18 years old) post-ACLR. Case-control study. Laboratory. Adolescents (n = 13, girls = 77%, age = 16.7 ± 0.6 years, height = 1.7 ± 0.1 m, weight = 22.2 ± 3.7 kg/m 2 ) were identified from a cross-sectional cohort assessing clinical outcomes 6 to 12 months post-ACLR. Young adults (n = 13, women = 77%, age = 22.3 ± 4.0 years, height = 1.7 ± 0.1 m, weight = 22.9 ± 3.3 kg/m 2 ) were matched based on sex, time since surgery (±2 months), and body mass index (±3 kg/m 2 ). Participants performed 5 gait trials at their habitual speed. Three-dimensional gait biomechanics and forces were collected. Vertical ground reaction force normalized to body weight (xBW), knee-flexion angle (°), knee-abduction moment (xBW × height), and knee-extension moment (BW × height) waveforms were calculated during the stance phase of gait (0%–100%). Habitual walking speed was compared using independent t tests. We used functional waveforms to compare gait biomechanics throughout stance with and without controlling for habitual walking speed by calculating mean differences between groups with 95% CIs. Adolescents walked with slower habitual speeds compared with adults (adolescents = 1.1 ± 0.1 m/s, adults = 1.3 ± 0.1 m/s, P <.001). When gait speed was not controlled, adolescents walked with less vertical ground reaction force (9%–15% of stance) and knee-abduction moment (12%–25% of stance) during early stance and less knee-extension moment during late stance (80%–99% of stance). Regardless of their habitual walking speed, adolescents walked with greater knee-flexion angle throughout most stances (0%–21% and 29%–100% of stance). Adolescents and adults demonstrated different gait patterns post-ACLR, suggesting that age may play a role in altered gait biomechanics. [ABSTRACT FROM AUTHOR]
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Titel: |
Differences in Gait Biomechanics Between Adolescents and Young Adults With Anterior Cruciate Ligament Reconstruction.
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Autor/in / Beteiligte Person: | Lisee, Caroline Michele ; Bjornsen, Elizabeth ; Horton, W. Zachary ; Davis-Wilson, Hope ; Blackburn, J. Troy ; Fisher, Matthew B. ; Pietrosimone, Brian |
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Zeitschrift: | Journal of Athletic Training (Allen Press), Jg. 57 (2022-09-01), Heft 9/10, S. 921-928 |
Veröffentlichung: | 2022 |
Medientyp: | academicJournal |
ISSN: | 1062-6050 (print) |
DOI: | 10.4085/1062-6050-0052.22 |
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