many aerobic exercises are also "weight-bearing" -- the kind where you stand on your feet and exercise. weight-bearing aerobic exercises include walking aerobics dancing tennis climbing stairs and running. weight-bearing exercise stimulates the cells that make new bone and boost bone strength. this is especially important for teenagers because bone mass peaks between the ages of 25 and 30. adolescence is the time to build the strongest bones possible.
are weight-bearing exercises aerobic?