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:
A bulging disk pressing on the nerve that travels from your back down your leg can cause sciatica or irritation of the sciatic nerve. Sciatica can be experienced as a pain, tingling, numbness, or weakness in the leg. Abnormalities of the skeleton can also cause back pain.