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Search: Posts Made By: PhoebeHsu
Forum: AnyBody Modeling System 03-15-2018, 02:44 PM
Replies: 10
Views: 937
Posted By PhoebeHsu
Agreed. Thanks you Søren!

Agreed. Thanks you Søren!
Forum: AnyBody Modeling System 03-08-2018, 05:20 PM
Replies: 10
Views: 937
Posted By PhoebeHsu
Not sure if I understand what you meant by "soft...

Not sure if I understand what you meant by "soft marker drivers".

Usually I will pick one cycle of this c3d file to run AnyBody. Now, I would like to use the average of multiple cycles of the same...
Forum: AnyBody Modeling System 03-08-2018, 05:10 PM
Replies: 10
Views: 937
Posted By PhoebeHsu
Hi Pavel, Thank you for your reply! As...

Hi Pavel,

Thank you for your reply!

As shown in the picture, I calculated the mean and standard deviation of the trajectories of each marker (the figure shows the Z- motion of the LKNE) during...
Forum: AnyBody Modeling System 03-07-2018, 10:17 PM
Replies: 10
Views: 937
Posted By PhoebeHsu
Hi Pavel, Can AnyBody read ascii files...

Hi Pavel,

Can AnyBody read ascii files instead of c3d files, which include trajectory information of the physical markers and FP reaction forces?

Thanks,
-Phoebe
Forum: AnyBody Modeling System 01-25-2018, 09:31 PM
Replies: 10
Views: 937
Posted By PhoebeHsu
Hi Pavel, Can Anybody determine the start...

Hi Pavel,

Can Anybody determine the start and end of each gait cycles timing and store it in the C3D file? Or those are defined by the user and AnyBody only does kinematic/kinetic calculation...
Forum: AnyBody Modeling System 01-22-2018, 08:58 PM
Replies: 10
Views: 937
Posted By PhoebeHsu
thanks Pavel. I shall investigate all the...

thanks Pavel. I shall investigate all the available approaches and report what I find to the community.

-Phoebe
Forum: AnyBody Modeling System 01-12-2018, 08:25 PM
Replies: 10
Views: 937
Posted By PhoebeHsu
How to average gait cycles?

Dear AnyBody:

I have a general question regarding using AnyBody to perform musculoskeletal modeling. Typically, the user choose the beginning and the end of a gait cycle, within which all...
Forum: AnyBody Managed Model Repository 12-07-2017, 05:09 PM
Replies: 1
Views: 361
Posted By PhoebeHsu
Questions regarding lesson 5, AMMR2.0

Dear AnyBody,

I am following the lesson 5, tutorial of AMMR2.0.

In this tutorial, after using to a new c3d file from the same subject, I was instructed to run MarkerTracking of Kinematic...
Forum: Debug model 12-06-2017, 08:53 PM
Replies: 4
Views: 448
Posted By PhoebeHsu
Just to update: I used "#include "C:\Program...

Just to update:

I used "#include "C:\Program Files\AnyBody Technology\AnyBody.7.1\AMMR\libdef.any" at the beginning of the main file to make sure the correct version of AMMR was called. Then I got...
Forum: Debug model 12-05-2017, 08:54 PM
Replies: 4
Views: 448
Posted By PhoebeHsu
Hi Pavel, I tried to upgrade to AnyBody.7.1...

Hi Pavel,

I tried to upgrade to AnyBody.7.1 which comes with AMMR 2.0. However, I see that AMMR 2.0 has a distinctly different structure such as ToolBox, Documentation, FootGM, LegTD-FootGM,...
Forum: Debug model 12-05-2017, 05:10 PM
Replies: 2
Views: 416
Posted By PhoebeHsu
Thank you Pavel. This piece of problem is...

Thank you Pavel. This piece of problem is resolve.

Best,
-Phoebe
Forum: Debug model 11-29-2017, 05:31 PM
Replies: 4
Views: 448
Posted By PhoebeHsu
TSeg2ScaleFrame error

Dear AnyBody,

I was trying to create/implement my own scaling law to incorporate subject-specific tibial geometries. However I received an error message as below:
ERROR(SCR.PRS9) : ...
Forum: AnyBody Managed Model Repository 11-02-2017, 02:50 PM
Replies: 3
Views: 416
Posted By PhoebeHsu
Thanks, Pavel! That makes a lot of sense. Thanks...

Thanks, Pavel! That makes a lot of sense. Thanks for showing me how the human-environment connection was defined. I am still a little confused about how forces are calculated - can you direct me to...
Forum: AnyBody Managed Model Repository 10-31-2017, 08:15 PM
Replies: 3
Views: 416
Posted By PhoebeHsu
WheelTurn

Dear AnyBody,

I want to predict the change in upper body kinetics due to different types of motion (e.g., raising right hand vs. raising right hand and tilting the body a little bit). I think I am...
Forum: AnyBody Modeling System 10-30-2017, 03:59 PM
Replies: 1
Views: 487
Posted By PhoebeHsu
GRF prediction

Dear AnyBody,

I wonder what are the differences in parameters defined in ForcePlate.any and GRF_example.any? In ForcePlate.any, we need to fine tune the height settings and velocity threshold, ...
Forum: Debug model 10-03-2017, 05:48 PM
Replies: 2
Views: 416
Posted By PhoebeHsu
incorporating subject-specific geometry in AnyBody model

Dear AnyBody,

I am working towards incorporating image-based tibia into AnyBody musculoskeletal models. I would like to follow incorporating a surface based non-linearity into the scaling law in...
Forum: AnyBody Modeling System 08-07-2017, 08:06 PM
Replies: 1
Views: 406
Posted By PhoebeHsu
muscle modeling

Dear AnyBody,

I have asked on this forum before how to muscle fatigue. Most suggestions I received were to reduce the muscle capacity F0. I wonder if there is any more sophisticated option, as...
Forum: Debug model 05-02-2017, 02:26 PM
Replies: 2
Views: 547
Posted By PhoebeHsu
Thank you! Now it works :-)

Thank you! Now it works :-)
Forum: Debug model 05-01-2017, 10:00 PM
Replies: 2
Views: 547
Posted By PhoebeHsu
predicted JRFs too high

Dear AnyBody:

I tried to simulate a subject walking. However, the predicted JRFs are significantly higher than what I expected (15-20 BW). The only thing I can think of is the positions of the...
Forum: Debug model 04-20-2017, 03:17 AM
Replies: 3
Views: 783
Posted By PhoebeHsu
Thanks! I will follow your recommendation. ...

Thanks! I will follow your recommendation.

Is there any documentation about how CoPs is calculated from the force plates in AnyBody?
Forum: Debug model 04-17-2017, 03:50 PM
Replies: 3
Views: 783
Posted By PhoebeHsu
Force plates in wrong position

Dear AnyBody,

I am using MoCap data provided from a new group of collaborators to generate musculoskeletal models. There are two type-II forceplates used in the experiment.

As seen in the...
Forum: Debug model 04-11-2016, 05:35 PM
Replies: 0
Views: 2,914
Posted By PhoebeHsu
knee and ankle joint

Dear AnyBody:

I have a very basic question. Both knees and ankles are defined as hinge joints, why are there three JRF and two moments (lateral and axial) produced at the knee, while there are...
Forum: Debug model 01-19-2016, 04:47 PM
Replies: 14
Views: 7,671
Posted By PhoebeHsu
Hi Søren: I took another close look at...

Hi Søren:

I took another close look at the GRFs.

1. For the static trials i can see the forces measured, but what is the residual for these models... also 200N? The residual for a static...
Forum: Debug model 01-15-2016, 05:10 PM
Replies: 14
Views: 7,671
Posted By PhoebeHsu
Thank you Søren! By increasing...

Thank you Søren!

By increasing StrengthParameters (e.g., SpecificMuscleTensionSpine or SpecificMuscleTensionShoulderArm), the calculated muscle activities (Muscle Force/Muscle strength) will be...
Forum: Debug model 01-12-2016, 08:37 PM
Replies: 14
Views: 7,671
Posted By PhoebeHsu
I see. I checked the StrengthScale of...

I see.

I checked the StrengthScale of Shank in my model, which is 0.52; while that in the MoCapRunner model is 0.84. I understand it's difficult to quantitatively specify muscle strength for...
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