Wii Fit's Aerobics are the most physically active of the four
Wii Fit Trainer - Super Smash Bros. for Wii U / 3DS Guide - IGN
Wii Fit UK Review - IGN
Wii Fit U - IGN
Wii Fit U Review - IGN
Wii Fit - IGN
Wii Fit: The Professional Opinion - IGN
Wii Fit Out-of-Box Preview - IGN
Wii Fit U - IGN Workout Challenge - IGN
Wii Fit Studio - Super Smash Bros. Ultimate Guide - IGN
Balance Games - Wii Fit Guide - IGN
Wii Fit, Wii Sports Wiki
Wii Fit Plus (2009) - MobyGames
Basic Step, Wii Sports Wiki
Aerobics - Wii Fit Guide - IGN