bike!:D its extra exciting! and in case you arent very in good shape, you are able to decide for longer. additionally utilizing weights gets you extra muscle groups!! :D xx p.s bikin would be extra advantageous long term because of the fact if your landing on the concrete continuously u gets bone fractures!! and that they harm!
chester_shylock
2006-03-09 11:36:32 UTC
Depends on how you are riding. If you are really pushing it up longer hills, you are using both upper body as well as your legs. Not to mention the workout you are giving your heart.
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