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:
Sciatica is a painful condition that affects your lower back, causing the spinal discs of your lumbar vertebrae to slip out of place and press on your sciatic nerve, which runs from your lower back down each leg. When you experience sciatica, symptoms can range from back pain and tingling to pain and numbness that radiates down your legs.