User Manual

Model 01128 User’s Manual
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Table 5: Percentile norms, sample sizes, means, and standard deviations for
triceps skinfold thickness (in millimeters) for boys.
Percentiles
*The norms for age 17 can be used for age 18
Source: From F. E. Johnson et al., Skinfold Thickness of Children 6-11 Years and Skinfold Thickness of Youth
12-17 Years (Washington, D.C.: U.S. National Center for Health Statistics, 1972, 1974). Also presented in
full in the AAHPERD Manual, 1980.
Age 5th 25th 50th 75th 95th n X s
6 13 9 8 6 5 575 8.1 2.8
7 14 10 8 6 4 632 8.4 3.2
8 17 11 8 6 4 618 9.0 3.8
9 20 12 8 7 5 603 10.0 5.0
10 20 12 9 7 5 576 10.1 4.4
11 22 14 10 7 5 628 11.0 5.3
12 23 13 9 7 5 643 10.7 5.8
13 23 13 9 7 4 626 10.5 5.9
14 21 12 8 6 4 617 9.5 5.6
15 21 11 8 6 4 613 9.0 5.1
16 20 11 8 6 4 555 8.9 4.9
17* 20 11 8 6 4 489 9.0 5.4