Joined: Dec 2004
Posts: 12,537
Likes: 791
From: Middle of da Mitten
Bikes: Trek 7500, RANS V-Rex, Optima Baron, Velokraft NoCom, M-5 Carbon Highracer, Catrike Speed
No it's not more effective than walking. In fact, it's not weight bearing and excessive sweating while riding has been tied to calcium loss.