Fitness Equipment Bike

what muscles do the exercise bike and elliptical &#116&#97&#114get? https: / / www.fitnessmegastore.co.uk/fitne&#115&#115&#45equipment-14/exercise-bikes-21/upright-115/fitness&#45&#101&#108liptical-trainer-exercise-11950-6536_zoom.png this&#32&#105&#115 what I have, I want to know whether i ellptical w&#111&#114&#107out or bike, which target the muscles i? I want to&#32&#101&#120ercise my back on everything to get bigger and ton&#101&#115&#32.. what will be a good choice? elliptical or bike?&#32&#10&#32Sometimes, diet and […]