Inclusion criteria  Apt for sports practice after review by the corresponding health professional of the Occupational Health Service, Motivation for sports practice (could be self-referred or on an EVA scale from a score for example of 6) being 0 not motivated at all and 10 totally motivated.  One could extrapolate the score limits of the EVA scale pain no motivation=0; mild motivation=1,2; moderate=3-5; high from 6.  Professionals whose working day does not coincide with the hours during which the sessions are to be given. Professionals who do not work shifts.  Exclusion Criteria:  Any type of contraindication for sports practice (Annex I), Staff who, due to their activity, have greater mobility in the hospital (orderlies). Osteoarticular injuries, cervical and lumbalgias.  Withdrawal criteria  -Within the intervention group - absence maximum two weeks to the exercises. This will not be taken into account during the summer period.