Table 1. Age and anthropometrics.
|
BOYS (n = 33) |
GIRLS (n = 16) |
Diff. % |
P values |
| Mean (±SD) |
MIN |
MAX |
Mean (±SD) |
MIN |
MAX |
| Age (yrs) |
13.8 (.6) |
12.5 |
14.8 |
13.4±0.9) |
12.1 |
14.8 |
-3.1 |
.10 |
| Body height (m) |
1.62 (.8) |
1.46 |
1.76 |
1.61 (.08) |
1.49 |
1.77 |
-.7 |
.63 |
| Body mass (kg) |
52.8 (9.0) |
39.6 |
72.5 |
51.2 (8.6) |
40.8 |
69.6 |
-3.0 |
.55 |
| BMI (kg·m-2) |
20.0 (2.0) |
16.5 |
23.4 |
19.7 (2.3) |
17.2 |
26.5 |
-1.5 |
.65 |
| Subischial leg length (cm) |
80.6 (4.0) |
74.5 |
88 |
78.9 (4.3) |
74.5 |
89 |
-2.1 |
.18 |
| Sitting height (cm) |
81.1 (6.1) |
70.5 |
92 |
81.8 (4.9) |
74.5 |
90 |
.8 |
.70 |
| Estimated peak height velocity (yrs) |
14.3 (.7) |
13.2 |
15.5 |
12.2 (.5) |
12.9 |
11.2 |
-14.5 |
<0.001 |
| Maturity offset (yrs) |
-.48 (1.01) |
-2.29 |
1.51 |
1.17 (.87) |
-0.13 |
2.48 |
344.4 |
<.001 |
| Pole length CL (cm) (DP 350-m / 225-m / 50-m) |
138.4 (8.1) |
124 |
159 |
137.8 (7.8) |
127 |
156 |
-0.4 |
.83 |
| Pole length SK (cm) (50-m V2) |
149.8 (6.4) |
140.5 |
162.5 |
143.6 (7.2) |
133 |
158 |
-4.1 |
<.05 |
SD, standard deviation; BMI, body mass index; CL, classic; SK, skating; DP, Double Poling; V2, V2 skating technique. Diff. %: Difference of girls vs. boys
