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Table 4 Values of correlation coefficient between parameters of vibroarthrographic signals in different load-related conditions

From: Vibroarthrographic analysis of patellofemoral joint arthrokinematics during squats with increasing external loads

  

VMS

R4

P1

P2

No load &10 kg

R

0.29

0.32

0.26

0.31

p

0.004

0.001

0.007

0.001

10 kg & 20 kg

R

0.24

0.29

0.30

0.30

p

0.014

0.003

0.003

0.003

No load & 20 kg

R

0.07

0.05

0.02

0.04

p

0.477

0.625

0.879

0.659

  1. R, Spearman’s rank correlation coefficient; p, value of statistical significance level; VMS, variability of the mean squares calculated in 5 ms windows; R4, mean of four maximal and four minimal values; P1, P2, power spectral density bands: 50–250 Hz and 250–450 Hz. \Bolded values indicate p < 0.05; bolded values indicate statistically significant differences
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BMC Sports Science, Medicine and Rehabilitation

ISSN: 2052-1847

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