Above, 86 year old Johanna Quaas demonstrates the benefits of exercise as you age.
For elderly adults, a strength training program is as effective as an aerobic training program for improving functional fitness and mobility.
Physical activity in this age group improves mood and vigour, preventing depression, fatigue, and confusion.
Martins et al., (2011).Effects of Strenth and Aerobic-Based Training on Functional Fitness, Mood and the Relationship Between Fatness and Mood in Older Adults. The Journal of Sports Medicine and Physical Fitness, 51(3), 489-96.