I would like to buy an exercise bicycle for a friend who wants to cardio train, but has terrible knees. However, I know nothing of exercise bicycles. [more inside]
posted by Jairus on Jan 10, 2006 - 8 answers

Is there a (silent) exercise machine that an office or cubical worker can use to exercise their legs while working at the computer. Not like a thighmaster, or rubber bands, but something more like a step-stair or cycle or similar system under the desk. [more inside]
posted by -harlequin- on Sep 20, 2005 - 13 answers