1. Date of download: 11/5/2017
Copyright © ASME. All rights reserved.
From: Age-Related Effect of Static and Cyclic Loadings on the Strain-Force Curve of the Vastus Lateralis Tendon and Aponeurosis
J Biomech Eng. 2008;130(1): doi: /
Figure Legend:
Means and SEM of the ratios of the rms of the EMG signals from VL to the sum of the rms of all three muscles (VL∕total), VM to the sum of the rms of all three muscles (VM∕total), and RF to the sum of the rms of all three muscles (RF∕total) during the MVC preloading (MVC-1), after static (MVC-2), and after cyclic loading (MVC-3) (old, n=14; young, n=12).

2. Date of download: 11/5/2017
Copyright © ASME. All rights reserved.
From: Age-Related Effect of Static and Cyclic Loadings on the Strain-Force Curve of the Vastus Lateralis Tendon and Aponeurosis
J Biomech Eng. 2008;130(1): doi: /
Figure Legend:
Muscle architecture. Means and SEM of the VL pennation angle (deg), fascicle length (cm), and muscle thickness (cm) at rest (knee: 100deg, hip: 140deg) before loading (preloading), after static loading (static loading), and after cyclic loading (cyclic loading) (old n=14; young n=12). Although the old adults had smaller pennation angle and muscle thickness (p<0.05, age effect), there were no differences in the muscle architecture prior to or after mechanical loading in either group (p>0.05).

3. Date of download: 11/5/2017
Copyright © ASME. All rights reserved.
From: Age-Related Effect of Static and Cyclic Loadings on the Strain-Force Curve of the Vastus Lateralis Tendon and Aponeurosis
J Biomech Eng. 2008;130(1): doi: /
Figure Legend:
Strain-force curves of the VL tendon and aponeurosis. The strain values at every 200N and at maximum calculated tendon force during the MVC preloading (MVC-1), after static loading (MVC-2), and after cyclic loading (MVC-3) are displayed. The curves end at 1400N for the old adults and at 1800N for the young ones; these values correspond to the maximum common force achieved by all subjects in either group, old and young adults. Y: young (n=12); O: old adults (n=14). Means and SEM;  *: age effect (p<0.05).

4. Date of download: 11/5/2017
Copyright © ASME. All rights reserved.
From: Age-Related Effect of Static and Cyclic Loadings on the Strain-Force Curve of the Vastus Lateralis Tendon and Aponeurosis
J Biomech Eng. 2008;130(1): doi: /
Figure Legend:
Mean curves for the old (n=14) and the young adults (n=12) of the measured displacement (ΔL measured) and the passive displacement due to the joint rotation (ΔL passive) of the analyzed point at the deeper aponeurosis of the VL as well as the corrected VL tendon and aponeurosis elongation considering the joint rotation (ΔL corrected) during MVC-1. Tmax: time to achieve maximal tendon force.

5. Date of download: 11/5/2017
Copyright © ASME. All rights reserved.
From: Age-Related Effect of Static and Cyclic Loadings on the Strain-Force Curve of the Vastus Lateralis Tendon and Aponeurosis
J Biomech Eng. 2008;130(1): doi: /
Figure Legend:
Ultrasound images of the VL at rest (top) and at maximum tendon force (bottom). The elongation of the VL tendon and aponeurosis was defined as the distance traveled by the cross point along the visualized deeper aponeurosis during the knee extension. The marker between the skin and the ultrasound probe was used to register any motion of the probe relative to the skin during the knee extension.