To the first cluster belong:
Muscle training to boost endurance performance and / or
Muscle training to shape desired body proportions
To the second cluster belong:
Relaxation of muscles to release muscular tension
Improvement of muscular fatigue
Speed up the regeneration of muscles after high muscular
performance (e.g. after marathon)
So that you can make a personal training program to suit you,
the EM 40 and EM 80 have a freeze function.
" see Doctor‘s Function.