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. 2017 Jun 1;29:16. doi: 10.1186/s40557-017-0173-0

Table 7.

Percentile ranking of male police officer leg back dynamometer ability (kg)

Age group
(n)
20–29
(n = 83)
30–39
(n = 200)
40–49
(n = 247)
50–59
(n = 55)
Mean (SD) 173.81 (39.94) 170.81 (37.08) 170.76 (37.73) 165.21 (35.36)
Percentile
95 239.31 231.62 232.64 223.20
90 224.93 218.27 219.05 210.47
85 215.35 209.37 210.00 201.98
80 207.36 201.96 202.45 194.91
75 200.57 195.65 196.04 188.90
70 194.58 190.09 190.38 183.60
65 189.39 185.27 185.47 179.00
60 183.80 180.08 180.19 174.05
55 179.00 175.63 175.66 169.81
50 173.81 170.81 170.76 165.21
45 168.62 165.99 165.86 160.61
40 163.83 161.54 161.33 156.37
35 158.23 156.35 156.05 151.42
30 153.04 151.53 151.14 146.82
25 147.05 145.97 145.48 141.52
20 140.26 139.66 139.07 135.51
15 132.27 132.25 131.52 128.44
10 122.69 123.35 122.47 119.95
5 108.31 110.00 108.88 107.22