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. 2018 Aug 20;6(3):83. doi: 10.3390/sports6030083

Table 4.

Correlation coefficients between muscle strength qualities and COD measures average across both limbs.

Variable CODS COD Deficit
505 505mod 505 505mod
Pooled (n = 115)
CMJ-RSImod −0.56 ** −0.57 ** −0.31 * −0.38 **
CMJ height −0.67 ** −0.67 ** −0.24 −0.34 **
SLH −0.65 ** −0.67 ** −0.21 −0.33 **
IMTP-PF −0.43 ** −0.44 ** −0.23 −0.34 **
ECC-EXT −0.40 ** −0.49 ** −0.06 −0.20
Males (n = 56)
CMJ-RSImod −0.40 * −0.40 * −0.19 −0.26
CMJ height −0.43 * −0.43 * −0.22 −0.31
SLH −0.57 ** −0.62 ** −0.18 −0.30
IMTP-PF −0.57 ** −0.48 ** −0.40 * −0.36 *
ECC-EXT −0.39 * −0.42 * −0.16 −0.22
Females (n = 59)
CMJ-RSImod −0.45 ** −0.42 * −0.44 * −0.42 *
CMJ height −0.60 ** −0.49 ** −0.25 −0.23
SLH −0.55 ** −0.51 ** −0.32 −0.27
IMTP-PF −0.06 −0.08 −0.01 −0.21
ECC-EXT −0.18 −0.23 −0.03 −0.04

Notes: CMJ = countermovement jump; RSImod = reactive strength index-modified; SLH = single-leg hop; IMTP-PF = isometric mid-thigh pull peak force; ECC-EXT = eccentric extensor; 505mod = modified 505; CODS = change of direction speed; COD deficit = change of direction deficit. * Correlation significant at p ≤ 0.05; ** Correlation significant at p ≤ 0.001.