Courses in a typical bachelor's degree program in education include student assessment methods, instructional strategies, multiculturalism and human development.
Electrolyte imbalance is the most common cause of leg vibration which is usually caused by dehydration.Drink plenty of fluids & take rehydration salt drinks.Stop the activity that caused the cramp.Gently stretch and massage the cramping muscle.If still the symptoms persists then you need to get tested for:
The cause is often the same as this vibration sensation that is not reflected in muscle activity: some kind of pinching of a nerve as on a bone can cause this sensation. It can also be caused, if there is no pinched nerve, by a problem in a nerve going to your foot--a damaged nerve can send a signal like this.