Table 2.
Architectural parameters of Vastus Lateralis (VL), Gastrocnemius Medialis (GM), Gastrocnemius Lateralis (GL), Triceps Brachii (TB), and Biceps Brachii (BB) muscles in S1 (n = 11) and S2 (n = 12).
| Variable | S1 | S2 | |||
|---|---|---|---|---|---|
| Mean (±SD) | Range | Mean (±SD) | Range | ||
| Muscle thickness (cm) | VL * | 2.25 (.12) | 2.01 - 2.45 | 2.14 (.11) | 1.98 - 2.31 |
| GM | 1.88 (.19) | 1.52 - 2.15 | 1.75 (.17) | 1.41 - 2.02 | |
| GL * | 1.70 (.21) | 1.18 - 2.03 | 1.51 (.20) | 1.08 - 2.01 | |
| TB * | 2.24 (.15) | 2.04 - 2.48 | 2.10 (.13) | 1.92 - 2.41 | |
| BB | 2.08 (.21) | 1.79 - 2.47 | 2.04 (.22) | 1.78 - 2.52 | |
| Pennation angle (°) | VL | 16.0 (2.6) | 12.3 - 22.3 | 18.3 (3.7) | 12.5 - 25.1 |
| GM | 20.2 (3.8) | 15.4 - 27.3 | 21.3 (5.1) | 13.3 - 29.0 | |
| GL | 16.1 (1.6) | 13.3 - 19.7 | 17.2 (2.1) | 14.1 - 21.2 | |
| TB * | 16.9 (2.3) | 12.6 - 21.6 | 19.1 (2.8) | 13.2 - 22.8 | |
| Absolute fascicle length (cm) | VL * | 8.30 (1.1) | 6.19 - 10.71 | 7.04 (1.2) | 4.91 - 9.16 |
| GM | 5.59 (1.0) | 4.23 - 8.11 | 5.04 (1.1) | 3.18 - 6.87 | |
| GL * | 6.13 (.7) | 5.13 - 7.19 | 5.23 (1.1) | 3.22 - 7.69 | |
| TB * | 7.86 (1.4) | 5.59 - 11.42 | 6.55 (1.1) | 5.08 - 8.99 | |
| Fascicle length/limb length (cm/cm) | VL * | .21 (.03) | .15 - .28 | .18 (.03) | .11 - .24 |
| GM | .14 (.03) | .10 - .21 | .12 (.03) | .07 - .17 | |
| GL | .15 (.02) | .11 - .19 | .13 (.03) | .08 - .19 | |
| TB * | .21 (.03) | .15 - .28 | .18 (.04) | .14 - .26 |
* Significant differences between S1 and S2, p < 0.05.