Horizontal jumping biomechanics among elite female handball players with and without anterior cruciate ligament reconstruction: an ISU based study

Table 1 Horizontal jumping performance for unilateral triple hop and unilateral cross-over hop for distance. Descriptive statistics, significance and effect size calculations for each group

		ACLR Injured Limb	ACLR Healthy Limb	Control Dominant Limb	Control Non-Dominant Limb	Significance (p)	ES (d)
UTHD	n	8	4	15	15
	Performance	389 ± 61.05	398.25 ± 87.76	436 ± 37.84	430.29 ± 47.91	0.047*	d = 0.925^
	95% CI	337.97–440.03	258.61–537.89	411.95–460.05	402.62–457.95
UCOHD	n	8	4	15	15
	Performance	289.63 ± 58.24	310.5 ± 70.90	326.14 ± 44.84	329.31 ± 60.61	0.115	d = 0.7025
	95% CI	240.94–338.31	197.68–423.32	300.25–352.03	292.68–365.94

Values are mean ± standard deviation, 95% confidence interval (inferior – superior value). P value from ANOVA calculations between ACLR injured limb and Control Dominant Limb. Standardised effect size interpreted as Cohen’s d values between ACLR injured limb and Control Dominant Limb. Abbreviations: UTHD Unilateral triple hop for distance, UCOHD Unilateral cross-over hop for distance, n Sample size, SD Standard deviation, 95% CI 95% confidence interval, ES Effect size, d Cohen’s d. * = p < .05. ^ = d > 0.8

ISSN: 2052-1847