Sharon Lear learned to downhill ski, a sport which had previously terrified her, in Colorado at the age of 38. . Deborah Martin of San Diego, going on 6. 0, spends her summer vacations riding her bicycle up and down the steep slopes of the Colorado Rockies. And then there’s Manny Wein, now in his 9. 0s, who has been running the 26. -mile Los Angeles Marathon for the past five years. The rest of the time, he lifts weights, swims or dances.
Contrary to old-fangled notions, your level of fitness can continue to grow throughout your lifetime. One weight-training program for men in their 6. 0s and 7. . 0s showed that they were able to increase their muscle size by an average of 11 percent and their strength by 17. . 0 percent — after just 12 weeks.