Table 1.
Baseline measurements of gastrocnemius medialis muscle architecture and Achilles tendon dimensions
| Young Women |
Senior Women |
||||
|---|---|---|---|---|---|
| Mean | SD | Mean | SD | P Value | |
| Lf distal, cm | 3.4 | 0.5 | 3.1 | 0.2 | 0.211 |
| Lf middle, cm | 3.8 | 0.4 | 3.3 | 0.5 | 0.088 |
| Lf proximal, cm | 3.9 | 0.5 | 3.1 | 0.2 | 0.022 |
| PA distal, ° | 23.5 | 4.4 | 23.2 | 5.7 | 0.937 |
| PA middle, ° | 30.4 | 5.3 | 28.4 | 4.2 | 0.484 |
| PA proximal, ° | 31.0 | 7.6 | 31.5 | 4.4 | 0.881 |
| Tendon length, cm | 15.9 | 1.6 | 14.6 | 1.5 | 0.180 |
| Tendon CSA, mm2 | 56.1 | 3.1 | 58.3 | 7.2 | 0.499 |
Values represent the average of 2 (3 in the midregion) neighboring fascicles.
Lf, fascicle length; PA, pennation angle; CSA, cross-sectional area.