Check out the transcript of a message board discussion with Weather Expert, Ingrid Amberger. Dr. Jeffrey Masters, Director of Meteorology for the Weather Underground Web site, answered student weather and winter storm questions in the winter of 2001. Dr. Masters received his B.S. and M.S. degrees in Meteorology from the University of Michigan.
It is easier on the joints than running. It is non-impact and therefore safer and easier on the joints. Biking is an exercise that you can do even at an older age. It is a great aerobic exercise for losing weight and increasing cardio endurance.
One of the simplest ways to get additional benefit from your bicycling fitness regimen is to add upper body or core strength training to your regimen while using a stationary bike. Try bringing dumbbells to the gym to use while riding a stationary bike. Just be sure to keep your posture correct and to focus on maintaining balance and proper breathing. Resistance bands will expand the number of upper body exercises you can do while riding a stationary bike.