John A. Gray

Date of Award


Document Type


Degree Name

Master of Science (MS)


Education, Health & Behavior Studies


The participants In this study consisted of fifty- seven sophomore boy a attending Fargo North Bigb School in Fargo, North Dakota, Three groups of nineteen members each were equated on the basis of age, weight and height. The control group participated in regular physical education two periods a week, Experimental group A participated in a systematic Exer-Oenie exercise program two periods a week, Experimental group B participated in the came systematic Exer-Cenia activity five periods a week.

All participants in this study were given four tests of trunk flexibility before and after the four week experimental period. The Leighton Flexometer was the instrument used to measure In degrees the rang# of movement in the trunk and hip segments of the body.

Comparisons were mad© between the mean difference within groups as Indicated by fee Initial and final teat results. Comparisons were also made between the retest results of group A and the control group* group B and the control group* and between group A and group B, For all comparisons the null hypothesis was retained below fee .05 level of significance and fee *t* technique was used to teat felt significance.

Based on the results of this study, the Investigator concluded that • systematic Exer-Qenle program carried on two periods a week (group A) or five periods per week (group B) for four weeks will produce significant lncreeses in selected measures of trunk flexibility.