12-20-2009, 07:49 AM
Dennis,
I understand the benefits cross-training brings but the longer runs yield none? Then why are we encouraged to do 30-45 minute workout; not just settle for 15 instead? I think as long as one exercises within one's maximum heart rate it should be good.
I understand the benefits cross-training brings but the longer runs yield none? Then why are we encouraged to do 30-45 minute workout; not just settle for 15 instead? I think as long as one exercises within one's maximum heart rate it should be good.