Answer
Excellent Ease of Use: Life Fitness T3
Very Good Ease of Use: Reebok ACD4, Star Trac TR901, Image 10.60L, HealthRider S500xi, TrimLine 2610, ProForm 785SS, NordicTrack EXP1000i
Good Ease of Use: Precor M9.33
Fair Ease of Use: Tunturl J6F and Proform 525E
Poor Ease of Use: none
Work Step by Step
Use the legend given in the table.