I had my VO2 tested on my bike in Dec. which got my boyfriend curious where his level was, so I bought him one for x-mas. The tester gives you an option to do the test on any of the three listed in the title. I am training to race and he joins me for the weight sessions, does two spin classes a week, and he will run on the treadmill once or twice a week as well but hates it and usually can't run more than 30 minutes. He did the MS150 last August without much trouble. He has upped his cardio considerably in hopes to make this spring/summers cycling with me easier, he only lifted weights last year until he bought his bike in May.
I asked him if he was taking his bike for the test and he said no. Wouldn't this be better to test on than the others given that will be his primary cardio? If you have any scientific references or articles speaking to this I would appreciate help, he is scheduled for the test at the end of the week. Thanks!