Architecture of Human Lower Extremity Muscles

Map of Gastrocnemius

Posterior View

Muscles of Interest:

Measure each parameter for both medial and lateral head.
Mass (g), without external tendon
Muscle length (mm): LML LMM; blue lines above
Fasicle length (mm): excise fasicles at green lines and measure their length 1, 2, 3 (For Medial and Lateral Heads)
Pennation angle (deg): θ1 θ2 θ3; measure a pennation angle at every fascicle location for each head

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.