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An Electromyographic Study Of Forward Vs Retrograde Stair Climbing On The Stairmaster 4000 Pt Machine, W. Lynette Rasmussen Thornburgh
An Electromyographic Study Of Forward Vs Retrograde Stair Climbing On The Stairmaster 4000 Pt Machine, W. Lynette Rasmussen Thornburgh
Masters Theses
The purpose of this study was to investigate, through electromyography, whether forward or retrograde stair climbing on the StairMaster 4000 PT machine demonstrates a greater muscle contraction duration, differences in intensity of muscle contractions, or variation in initiation of muscle contractions. The muscles examined were the Rectus Femoris, Vastus Medialis, and Biceps Femoris. A gender difference was also evaluated.
Twenty-one subjects apparently healthy volunteered for this study. There were two groups of ten male subjects and eleven female subjects. Subjects were assigned to subgroups according to gender. The subgroups determined which position the subject was tested in first.
The descriptive …