Hello.
You can simply test your nerve condition by a smart phone. App uses phone's accelerometer as a shaking detector. Instructions are in the app. Please try it.
https://play.google.com/store/apps/details?id=angry.face
You can simply test your nerve condition by a smart phone. App uses phone's accelerometer as a shaking detector. Instructions are in the app. Please try it.
https://play.google.com/store/apps/details?id=angry.face