Protein Supplementation and Mixed Power Training on Muscle Function and Functional Capacities in Elderly Men

1/2 of the subject will follow a mixed power training: 4 power exercises + 6 functional exercises combined to a placebo

1/2 of the subject will receive 30 g/ d of protein (leucine+ vitD; divided in three equal doses: morning, afternoon and evening) + will follow a mixed power training: 4 power exercises + 6 functional exercises.