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

Table 3 Limb symmetry index for each test

Variables	Participants		P value	Effect size (d)
Variables	Post-ACLR athletes (n = 21) mean ± SD (range)	Healthy subjects (n = 17) mean ± SD (range)	P value	Effect size (d)
SHD (%)	95.0 ± 6.7 (85.3–117.8)	95.4 ± 2.6 (91.1–99.7)	0.900	0.08
THD (%)	94.9 ± 5.5 (83.7–108.3)	95.7 ± 3.4 (87.9–99.3)	0.631	0.17
CHD (%)	93.9 ± 5.8 (82.1–103.7)	95.9 ± 2.6 (91.3–99.9)	0.184	0.43
CT during SVCJs (%)	94.3 ± 4.9 (86.6–103.9)	97.0 ± 2.4 (90.0–99.9)	0.034	0.68
JH during SVCJs (%)	86.0 ± 12.8 (66.9–120.8)	91.6 ± 5.6 (79.6–100.0)	0.106	0.55
RSI during SVCJs (%)	81.4 ± 14.8 (58.1–125.5)	90.6 ± 5.9 (78.8–98.9)	0.015	0.79

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

ISSN: 2052-1847