The Compex SP4 is a compact and durable machine which proposes all the basics of electro-stimulation in order to cover the need of sports people: tone your muscle, sculpt your body, relax and recover faster.  It is ideal for the occasional sportsman who practices 1 to 2 times per week. This machine uses Muscle intelligence technology and features an MI-SCAN that scans your muscles and automatically adjusts the stimulation based upon your own individual physiology. Comprising of 30 individual program settings and 4 different channels - Conditioning, Pain management, Recovery / Massage and Fitness - it is possible to determine exactly how hard each muscle is working, for how long and for what reason. Also, the Compex SP 4.0 can be used as a rehabilitation aid and will help with muscle atrophy following injury.