Table 4.
Regression constants for each muscle for young and old group
| Muscles | a | b | c | d | R2 |
|---|---|---|---|---|---|
| Young Group | |||||
| VL | − 2.6917 | 0.2544 | 2.4614 | / | 0.9661 |
| VI | −1.5859 | −1.4222 | 2.9428 | / | 0.9594 |
| VM | 6.1739 | −12.432 | 6.3191 | / | 0.951 |
| RF | −4.5326 | 3.0291 | 1.4916 | / | 0.9757 |
| MG | 3.1543 | −5.3238 | −1.563 | 3.6899 | 0.9457 |
| LG | 13.251 | −25.583 | 11.267 | 1.0653 | 0.9661 |
| Sol | 9.2596 | −14.119 | 1.4893 | 3.4211 | 0.9466 |
| Old group | a | b | c | d | R2 |
| VL | −2.4881 | −0.0495 | 2.5442 | / | 0.9634 |
| VI | −1.4025 | −1.7304 | 3.0576 | / | 0.9375 |
| VM | 6.3957 | −12.697 | 6.3731 | / | 0.9451 |
| RF | −3.9678 | 2.2447 | 1.6946 | / | 0.9577 |
| MG | 7.9128 | −16.14 | 6.3253 | 1.8729 | 0.9727 |
| LG | 10.614 | −20.573 | 8.3903 | 1.5649 | 0.9584 |
| Sol | 11.127 | −18.016 | 4.0566 | 2.8921 | 0.9465 |
Constants a,b,c refers to for 3rd polynomial equation:
ax3 + bx2 + cx
Constants a,b,c,d refers to for 4th polynomial equation:
ax4 + bx3 + cx2 + dx