Architecture of Human Lower Extremity Muscles

Map of Vastus Intermedius

Anterior View

Muscles of Interest:

Bottom: showing muscle fiber orientation underneath tendon
Mass (g), without external tendon
Muscle length (mm): LM; blue line above
Tendon length (mm): LTED; Tibial tuberosity to most distal fibers
Fasicle lengths (mm): excise fasicles at green lines and measure their length 1, 2, 3
Pennation angle (deg): θ1 θ2 θ3 relative to quad tendon (at fasicle location)

Last Updated: Monday, 08-Dec-2008 16:11:49 PST
For questions or comments regarding this site, please e-mail the webmaster.
Copyright © 2000, University of California Regents. All rights reserved.