Dr. Karena Wu contributes to this story for Prevention magazine on ’14 Causes of Legs Cramps at Night and How to Prevent Them, According to Experts’. Dr. Wu specializes in orthopedics and sports medicine and treats patients of all ages and backgrounds for musculoskeletal conditions in her clinics in NYC and Mumbai. She is an advocate for proper hydration and checks on her patients to make sure their diet supports tissue healing after injuries or surgeries. This is an important aspect of rehabilitation and can delay a patient’s recovery if left unaddressed. Dr. Wu is also the Medical Director for the Association of Volleyball Professionals, the premier professional beach volleyball tournament series in America. She works with athletes during the AVP season when the athletes are on the road. When these athletes cramp, it is often due to fatigue, electrolyte imbalance or dehydration. This article mentions 14 causes of leg cramps and how to prevent them.