Tips for urban cycling as aerobic/cardio workout? [more inside]
posted by ManInSuit on Oct 21, 2012 - 11 answers

What are some good muscle-building, resistance-based exercises that don't place a lot of strain on the heart? [more inside]
posted by Bardolph on Jul 5, 2011 - 4 answers

I get a tingling in my hands and occasional lightheadness when my heart rate goes above 160, usually while working out. [you are not a doctor] [more inside]
posted by UMDirector on Aug 11, 2009 - 12 answers

When I jog, my heart rate goes to 195 beats per minute. Is that bad? [more inside]
posted by bonheur on Feb 21, 2008 - 16 answers