Relief Senter Hello My name is JoAnna Senter, I'm the owner and operator of Relief Senter. I'm located in Saint Helens, OR. I'm a certified Magna Wave PEMF Practitioner working on People, Equine, and Small Animals. I have a love for horses and have been riding competitively for 21 years. I enjoy a healthy lifestyle, I believe if you put good in, you get good out. I enjoy running, hiking, and the gym! on top of my horses I have two yellow labs who are hunting enthusiasts. Magna wave is the link that combines everything I enjoy!