. 2018 Feb;53(2):144–159. doi: 10.4085/1062-6050-334-16

Table 3C. .

Between-Groups Comparisons and Cohen d Effect Sizes of Frontal-Plane Knee-Joint Moments

Study	Task	ACL Reconstruction Sample Size	Comparison Group Sample Size	Mean ± SD			Landing Phase	Cohen d Effect Size (95% CI)	Weighted Effect Size
Study	Task	ACL Reconstruction Sample Size	Comparison Group Sample Size	ACL Reconstruction-Limb Internal Knee-Abduction Moment	ACL Contralateral-Limb Internal Knee-Abduction Moment	Healthy Internal Knee-Abduction Moment	Landing Phase	Cohen d Effect Size (95% CI)	Weighted Effect Size
Webster et al⁶⁷ (2012)	Single	14	11	0.85 ± 0.40	NA	0.52 ± 0.40	Peak	0.83 (0.00, 1.65)	1.65
Ortiz et al⁶⁰ (2008)	Single	14	15	0.20 ± 0.20	NA	0.07 ± 0.01	Peak	0.94 (0.17, 1.70)	1.96
Combined pooled effect size (95% CI)									0.88 (0.32, 1.44)
Webster et al⁶⁷ (2012)	Single	14	14	0.85 ± 0.40	1.03 ± 0.30	NA	Peak	−0.51 (−1.26, 0.24)	−3.46
Combined pooled effect size (95% CI)									NA

Abbreviations: ACL, anterior cruciate ligament; CI, confidence interval; NA, not applicable; single, single-limb landing.