Joined: Jul 2007
Posts: 8,625
Likes: 3,541
From: South shore, L.I., NY
Bikes: Trek Emonda SL7, Cannondale Topstone, Miyata City Liner, Specialized Chisel, Specialized Epic Evo
I'm on ladders frequently, you are using assorted leg muscles for balance as you move around. Lots of small movements you probably are not aware of. It adds up over a day.