Does anyone have a recommendation on the earliest age to start strength training and conditioning? ADVERTISEMENT 648 viewsJune 16, 2016 0 Michael June 16, 2016 0 Comments There has been interest in the local community about starting a summer program for kids (maybe 10 – 12 years old). What age would you recommend starting? 7 Answers ActiveVotedNewestOldest 0 Martin0 Posted 0 Comments I would recommend that you start by checking out the ACSM physical activity in children and adolescents. You are viewing 1 out of 7 answers, click here to view all answers. Register or Login