Clary Sage eases pain from muscular spasms such as menstrual cramping, headaches, and stomach pains. (mamarosemary.com)
Electricity can cause muscular spasms which can cause the jaws to clamp shut around cables so that they can't let go. (vets-now.com)
Canine distemper virus infects various tissues in the dog's body, producing diarrhea, fever, nasal and ocular discharge, respiratory disease, appetite loss and neurologic signs such as muscular spasms and paralysis. (tampabayvets.net)