http://worldcat.org/entity/work/id/4069935

Use of varying resistance and motivational cues in developing upper body dynamic muscular endurance on developmentally disabled individuals

The purpose of this study was twofold: (1) to compare two methods of varying resistance in exercises designed to improve pull-up performance and (2) to determine if improvement in pull-up performance is influenced by a systematic presentation of a visual cue motivator during training on a selected group of male and female developmentally disabled individuals. A review of literature indicated minimal research in dynamic muscular endurance specific to improving pull-up performance by varying body weight resistance to alter the force required for successful performance. A pre-test was administered to the 60 subjects for each of the four dependent variables prior to the treatment period. Experimental Groups I and II were administered a prescribed training program of varied body weight percentages using the Betts Weight Percentage Apparatus (BWPA). Experimental Groups III and IV were administered a prescribed training program of varied resistance using the Noie Force Percentage Apparatus (NFPA). The control group received no prescribed treatment. The Visual Cue Apparatus was utilized by Experimental Groups I and III as a motivator. At the end of the six-week treatment period, a post-test was administered to the 60 subjects for each of the four dependent variables. The results revealed that of the 28 hypotheses, 15 were rejected and 13 could not be rejected. Subjects in the four experimental groups demonstrated significantly greater gains than the control group in muscular endurance, except between Experimental Group II and the control group as measured by the NFPA 50% Test for Dynamic Endurance without Visual Cues. Further analysis revealed no additional significant differences.

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