Table 4.
Relationships between 30m sprint speed and muscle architecture in the dominant and non-dominant limbs in men (n=14) and women (n=14) [r (p-value)].
| Rectus Femoris | Vastus Lateralis | ||||
|---|---|---|---|---|---|
| Men | Women | Men | Women | ||
| Muscle Thickness (cm) | Dominant | .16 (.63) | .14 (.65) | .01 (.98) | -.34 (.24) |
| Non-Dominant | .29 (.27) | .32 (.27) | .22 (.37) | -.24 (.34) | |
| %DIFF | -.20 (.49) | .34 (.22) | .21 (.47) | .03 (.93) | |
| Pennation Angle (°) | Dominant | -.69 (.01) | .07 (.82) | -.04 (.89) | .50 (.07) |
| Non-Dominant | -.56 (.04) | -.50 (.07) | -.16 (.58) | .32 (.28) | |
| %DIFF | .10 (.74) | .49 (.08) | -.05 (.87) | .35 (.22) | |
| Fascicle Length (cm) | Dominant | .54 (.05) | .02 (.94) | .06 (.85) | -.50 (.07) |
| Non-Dominant | .65 (.01) | .59 (.03) | .29 (.31) | -.32 (.26) | |
| %DIFF | -.10 (.74) | .57 (.03) | -.11 (.72) | .17 (.56) | |
| Cross-Sectional Area (cm2) | Dominant | -.01 (.98) | .07 (.80) | .44 (.12) | .16 (.58) |
| Non-Dominant | -.20 (.51) | -.07 (.82) | .44 (.12) | .40 (.16) | |
| %DIFF | -.48 (.08) | .42 (.13) | -.17 (.55) | -.38 (.18) | |
| Echo Intensity (au) | Dominant | -.02 (.94) | .39 (.17) | -.38 (.19) | .20 (.50) |
| Non-Dominant | -.02 (.95) | .44 (.12) | -.48 (.08) | .09 (.75) | |
| %DIFF | .02 (.92) | -.29 (.32) | -.25 (.38) | -.01 (.99) | |
‡ %DIFF = Absolute percent difference between dominant and non-dominant limbs.