So I recently got the Polar FT4 HRM. The directions say to wash after every five uses. Is this important? Will it make a difference if I wait until after the seventh or eighth use? I usually work out every day, and now that I have the hrm I'm really excited to use it for every work out. My fifth use was yesterday. I didn't…
I've always had weak ankles, so I understand why my ankles hurt while running on the treadmill (although I did get an ankle support). But lately whenever I run on the treadmill, my hamstrings have been in agony, and lately my calves. Running outside doesn't bother me, though, and I prefer outside running to inside, but…
