Stay Active and Independent for Life (SAIL) is an evidence-based strength, balance and fitness program for adults 65 and older. Performing exercises that improve strength, balance and fitness are the single most important activity that adults can do to stay active and reduce their chances of falling. The entire curriculum of activities in the SAIL Program can help improve strength and balance, if done regularly. SAIL classes are led by community volunteers, fitness instructors, and healthcare professionals who have completed the SAIL Instructor training. tors, and healthcare professionals who have completed the SAIL Instructor training.