You are viewing the documentation for OpenSim 3.x. Are you looking for the latest OpenSim 4.0 Documentation?

_Questions_LegMuscleForceEstimation_II_D

Owned by Jennifer Hicks
Jun 27, 2018
1 min read
  1. Plot the muscle activation patterns from the states file in the CMC results directory. (Tip: When selecting quantities to plot, use the "Filter By Pattern" to help your search. For example, typing "act" will list only the activation signals.)
  2. Are the simulated activations for the vastus intermedius (vas_int_r.activation) and gastrocnemius medialis (med_gas_r.activation) close to what you would expect?
  3. Plot the CMC residual joint moments (hip_flexion_r_moment, knee_angle_r_moment, and ankle_angle_r_moment) as functions of time.
  4. Are the moments substantial? Does the plot give you confidence in the predicted muscle forces?
  5. Plot the CMC residual actuator forces (i.e., MZ, FX, and FY) as functions of time.

  6. How large are the residual joint moments and residual actuator forces predicted by CMC as a percentage of the body weight of the model? Note: Residuals less than 2% of body weight are considered acceptable.

OpenSim is supported by the Mobilize Center , an NIH Biomedical Technology Resource Center (grant P41 EB027060); the Restore Center , an NIH-funded Medical Rehabilitation Research Resource Network Center (grant P2C HD101913); and the Wu Tsai Human Performance Alliance through the Joe and Clara Tsai Foundation. See the People page for a list of the many people who have contributed to the OpenSim project over the years. ©2010-2024 OpenSim. All rights reserved.