Parameter |
Control |
+5% |
-5% |
Initial Moment Arm
(cm) |
Patellar tendon |
4.00 |
4.20 |
3.80 |
Gastrocnemius (knee)
|
2.50 |
2.63 |
2.38 |
Gastrocnemius (ankle) |
5.30 |
5.57 |
5.04 |
Hamstring |
3.00 |
3.15 |
2.85 |
Change in Moment Arm
(cm/Degrees Knee Flexion) |
Hamstring |
1.50 |
1.58 |
1.43 |
ACL stiffness (N/mm) |
216 |
226.8 |
205.2 |
Nonlinear activation
parameters |
1.70 |
1.785 |
1.651 |
Parameter |
Control |
+2.9° |
-2.9° |
Tibial slope (degrees) |
8.5 |
11.4 |
5.6 |
Initial Line of Force
(Degrees) |
Hamstring |
6.00 |
8.90 |
3.10 |
Patellar tendon |
15.0 |
17.9 |
12.1 |
Change in Line of
Force (Degrees/Degrees Knee Flexion) |
Hamstring |
1.00 |
1.05 |
0.95 |
Patellar tendon |
0.192 |
0.215 |
0.170 |