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Table 6 Percentile ranking of male police officer sit up ability (repetitions)

From: A physical fitness profile of state highway patrol officers by gender and age

Age group
(n)
20–29
(n = 83)
30–39
(n = 196)
40–49
(n = 247)
50–59
(n = 53)
Mean (SD) 41.17 (8.22) 36.63 (9.67) 31.73 (9.94) 29.66 (9.76)
Percentile     
95 54.65 52.49 48.03 45.67
90 51.69 49.01 44.45 42.15
85 49.72 46.69 42.07 39.81
80 48.07 44.75 40.08 37.86
75 46.68 43.11 38.39 36.20
70 45.44 41.66 36.90 34.74
65 44.38 40.40 35.61 33.47
60 43.23 39.05 34.22 32.10
55 42.24 37.89 33.02 30.93
50 41.17 36.63 31.73 29.66
45 40.10 35.37 30.44 28.39
40 39.12 34.21 29.25 27.22
35 37.96 32.86 27.85 25.85
30 36.90 31.60 26.56 24.58
25 35.66 30.15 25.07 23.12
20 34.27 28.51 23.38 21.46
15 32.62 26.57 21.39 19.51
10 30.65 24.25 19.01 17.17
5 27.69 20.77 15.43 13.65