Table 3.
20-trial mean and (standard deviation) of selected GRF variables for all test subjects jumping at 2.8 Hz jumping rate.
Subject #
Sex
Mass [kg]
T1 [s]
T2 [s]
T3 [s]
P [kN]
RFD [kN/s]
RFR [kN/s]
I [Ns]
1
male
87.5
87.5
.36 (.01)
.25 (.01)
.11 (.004)
2.63 (.06)
23.66 (1.21)
18.10 (.88)
2
male
97
97
.36 (.01)
.25 (.005)
.11 (.005)
2.98 (.06)
25.93 (1.05)
21.92 (1.03)
3
male
82
82
.36 (.01)
.23 (.01)
.10 (.004)
2.75 (.08)
27.25 (1.58)
20.67 (1.38)
4
female
63
63
.35 (.01)
.23 (.01)
.10 (.004)
2.06 (.06)
20.51 (1.30)
16.26 (1.63)
5
female
57.5
57.5
.36 (.01)
.24 (.01)
.11 (.01)
1.68 (.06)
14.76 (1.10)
12.75 (1.03)
6
female
52.5
52.5
.36 (.02)
.25 (.02)
.11 (.01)
1.65 (.09)
14.46 (1.78)
12.11 (1.55)
7
female
60
60
.36 (.01)
.23 (.01)
.10 (.01)
1.80 (.06)
17.37 (1.35)
14.13 (.88)
8
male
62
62
.36 (.01)
.25 (.01)
.11 (.01)
1.64 (.05)
14.45 (1.55)
12.00 (.62)
9
female
68.5
68.5
.36 (.01)
.25 (.02)
.12 (.01)
2.01 (.06)
16.97 (1.37)
14.71 (1.74)
10
female
58.5
58.5
.35 (.01)
.22 (.01)
.11 (.004)
1.93 (.04)
18.08 (0.74)
16.55 (.78)
11
male
60.5
60.5
.36 (.01)
.23 (.01)
.10 (.004)
2.29 (.06)
22.62 (1.33)
17.79 (1.75)
12
male
79
79
.35 (.01)
.25 (.01)
.11 (.004)
2.38 (.04)
20.93 (.74)
16.86 (.92)