Table 2. Gender and bilateral differences in dominant and non-dominant limb architecture. Data are means (±SD).
|
Rectus Femoris |
Vastus Lateralis |
| DOM |
ND |
%DIFF |
DOM |
ND |
%DIFF |
| Muscle Thickness (cm) |
Men |
2.9 (.3 |
2.9 ± 0.3) |
1.8 (1.5) |
1.9 (.4) |
1.9 (.4) |
1.9 (1.5) |
| Women |
2.4 (.2) * |
2.4 (.3) * |
1.1 (1.5) |
1.8 (.3) |
1.8 (.4) |
4.2 (4.1) |
| Pennation Angle (°) |
Men |
16.4 (3.4) |
15.5 (3.0) |
3.9 (2.7) |
13.6 (3.0) |
14.3 (2.3) |
4.8 (4.8) |
| Women |
15.4 (2.3) |
16.4 (2.4) |
4.3 (2.8) |
12.6 (3.4) |
12.2 (2.8) * |
3.8 (3.5) |
| Fascicle Length (cm) |
Men |
10.8 (3.2) |
11.4 (2.5) |
4.1 (3.5) |
8.4 (1.9) |
7.9 (1.7) |
6.0 (4.6) |
| Women |
9.2 (1.4) |
8.7 (1.9) * |
4.7 (3.4) |
8.9 (3.0) |
8.8 (3.1) |
7.6 (5.9) |
| Cross-Sectional Area (cm2) |
Men |
19.9 (5.0) |
20.0 (3.3) |
2.9 (2.5) |
39.8 (7.3) † |
37.0 (8.1) |
2.0 (2.3) |
| Women |
14.0 (2.7) * |
13.7 (3.0) * |
2.7 (2.1) |
27.1 (3.7) * |
23.8 (3.8) * |
3.3 (3.0) |
| Echo Intensity (au) |
Men |
58.0 (8.7) |
55.9 (8.3) |
2.4 (1.5) |
60.4 (12.6) |
62.4 (10.9) |
2.2 (1.6) |
| Women |
65.8 (11.9) |
66.0 (7.3) * |
1.8 (2.4) |
71.2 (12.8) * |
72.9 (8.5) * |
2.5 (1.9) |
*Significantly (p < 0.05) different from men.† Significantly (p < 0.05) different from the non-dominant leg.‡ DOM = Dominant Limb; ND = Non-Dominant Limb; %DIFF = Absolute percent difference between limbs
