Most sedentary people who begin an exercise program are likely to stop within _____. ACSM Certified Personal Trainer Most sedentary people who begin an exercise program are likely to stop within _____. a. 1-2 d b. 3-6 wk c. 1 mo d. 3-6 mo Answer: d. 3-6 mo Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+