Table 2: A comparison of position specific differences in body composition and resting energy expenditure during pre-season camp.
Variable |
Pre |
Post |
Change |
p value |
|
Mean |
SD |
Mean |
SD |
Mean |
SD |
|
|
Body Mass (kg) |
|
|
|
|
|
|
|
|
Linemen |
119.17 |
10.35 |
118.34 |
11.19 |
-0.83 |
1.86 |
T |
0.15 |
Non Linemen |
88.12 |
11.08 |
87.92 |
11.3 |
-0.21 |
0.96 |
G |
<0.001 |
Total |
99.08 |
18.55 |
98.66 |
18.53 |
-0.43 |
1.32 |
GxT |
0.374 |
Fat-Free Mass (kg) |
|
|
|
|
|
|
|
|
Linemen |
86.82 |
7.22 |
85.09 |
7.45 |
-1.73 |
0.37 |
T |
<0.001* |
Non Linemen |
75.88 |
6.77 |
75.45 |
6.70 |
-0.43 |
0.74 |
G |
0.01* |
Total |
79.74 |
8.60 |
78.85 |
8.2 |
-0.89 |
0.89 |
GxT |
<0.001* |
Fat Mass (kg) |
|
|
|
|
|
|
|
|
Linemen |
32.35 |
11.41 |
33.25 |
12.26 |
0.90 |
1.74 |
T |
0.099 |
Non Linemen |
12.25 |
6.1 |
12.47 |
6.10 |
0.22 |
0.93 |
G |
<0.001* |
Total |
19.34 |
12.73 |
19.80 |
13.23 |
0.46 |
1.26 |
GxT |
0.306 |
Body Fat % |
|
|
|
|
|
|
|
|
Linemen |
26.78 |
7.65 |
27.68 |
8.10 |
0.90 |
0.96 |
T |
0.024* |
Non Linemen |
13.41 |
5.33 |
13.70 |
5.06 |
0.29 |
0.92 |
G |
0.001* |
Total |
18.13 |
8.92 |
18.64 |
9.15 |
0.51 |
0.95 |
GxT |
0.219 |
Resting Energy Expenditure (kcal) |
|
|
|
|
|
|
|
|
Linemen |
2,803 |
189 |
2,578 |
236 |
-223.0 |
308.4 |
T |
.093 |
Non Linemen |
2,342 |
201 |
2,345 |
234 |
3.27 |
200.1 |
G |
0.002* |
Total |
2,505 |
294 |
2428 |
255 |
-76.6 |
259.0 |
GxT |
0.085 |
*Signifies p<0.05.
Repeated measures ANOVA for body comp and REE values by position group.