A Mr. Adam Krueger, Fitness, answered on behalf of Sanford Health. On average if you can strength train 3-4 days a week that is fantastic. 1-2 days is ok but you will not see results as quickly after a few months of training, you will plateau. Mr. Adam Krueger, Fitness, answered on behalf of Sanford Health. On average if you can strength train 3-4 days a week that is fantastic. 1-2 days is ok but you will not see results as quickly after a few months of training, you will plateau.