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Table 2 Side-to-side differences for each test

From: Reactive strength index during single-limb vertical continuous jumps after anterior cruciate ligament reconstruction: cross-sectional study

Variables

Post-ACLR athletes (n = 21)

P value

Effect size(d)

Healthy athletes (n = 17)

P value

Effect size (d)

Involved limb mean ± SD (range)

Uninvolved limb mean ± SD (range)

Poor-performing limb mean ± SD (range)

Well-performing limb mean ± SD (range)

SHD (cm)

135.1 ± 26.8 (99.5–191.5)

142.1 ± 26.2 (97.5–195.0)

0.006

0.26

136.6 ± 24.2 (101.0–188.5)

143.5 ± 26.6 (103–197.5)

< 0.001

0.27

THD (cm)

407.2 ± 69.6 (286.5–557.5)

429.1 ± 72.3 (315.0–633.0)

0.001

0.31

450.7 ± 67.3 (365.0–607.0)

471.0 ± 68.6 (389.5–614.5)

< 0.001

0.30

CHD (cm)

354.5 ± 64.3 (257.5–493.0)

379.1 ± 73.7 (261.0–517.5)

 < 0.001

0.36

401.5 ± 68.7 (293.5–555.0)

419.1 ± 71.9 (304.0–556.5)

< 0.001

0.25

CT during SVCJs (sec)

0.26 ± 0.03 (0.21–0.33)

0.25 ± 0.03 (0.21–0.30)

 < 0.001

0.33

0.24 ± 0.02 (0.19–0.27)

0.23 ± 0.02 (0.19–0.26)

< 0.001

0.50

JH during SVCJs (cm)

10.1 ± 2.4 (6.9–17.7)

11.9 ± 3.1 (7.8–20.7)

 < 0.001

0.65

12.5 ± 3.4 (7.6–22.2)

13.6 ± 3.4 (8.6–22.4)

< 0.001

0.32

RSI during SVCJs (cm/s)

38.8 ± 9.5 (25.4–65.0)

48.4 ± 11.4 (26.6–73.0)

 < 0.001

0.92

52.3 ± 13.7 (27.9–88.2)

57.7 ± 14.0 (33.4–90.5)

 < 0.001

0.39

  1. ACLR, anterior cruciate ligament reconstruction; SD, standard deviation; SHD, single hop for distance; THD, triple hop for distance; CHD, crossover hop for distance; CT, contact time; SVCJs, single-limb vertical continuous jumps; JH, jump height; RSI, reactive strength index