Health, Exercise, and Sports Sciences ETDs

Publication Date

7-31-1969

Abstract

It was the purpose of this study to investigate the effects on muscular strength and circulorespiratory endurance in healthy college males derived from separate programs of circuit training, weight lifting, and interval training. The null hypotheses were that no significant differences in improvement of muscular strength and circulorespiratory endurance would be observed among college males engaged in separate programs of circuit training, weight lifting, and interval training. Fifty-one college males from developmental physical education classes at The University of New Mexico were randomly assigned to one of the three exercise programs. Thirty-eight subjects completed all of the requirements for the investigation. The subjects trained for a ten week period at their respective exercise programs. Pretest and posttest measures of muscular strength and circulorespiratory endurance were administered under the same experimental conditions. Muscle strength of the elbow flexors, elbow extensors, and knee extensors was measured by the use of cable tensiometer tests. Circulorespiratory endurance was measured from the estimation of the maximal oxygen intake derived from the Astrand-Rhyming nomogram. Significant improvements were noted between pretest and posttest means in elbow flexion and elbow extension strength in the circuit training group and in knee extension strength in the weight lifting group. The analyses of variance showed no significant differences between the three exercise programs in any of the measures of muscular strength or circulorespiratory endurance. The following conclusions were based on the findings derived from the data:

1. The circuit training program significantly improved the strength of the elbow flexors and elbow extensors.

2. The weight lifting program significantly improved the strength of the knee extensors.

3. The additional measures of strength and circulorespiratory endurance were not significantly improved by the programs of circuit training, weight lifting, and interval training.

4. The between groups null hypotheses were accepted based on the results obtained from the analyses of variance.

Document Type

Dissertation

Language

English

Degree Name

Physical Education, Sports and Exercise Science

Level of Degree

Doctoral

Department Name

Health, Exercise, and Sports Sciences

First Committee Member (Chair)

Lloyd Robert Burley

Second Committee Member

James Clark Moore

Third Committee Member

Frances McGill

Fourth Committee Member

Marvin LeRoy Riedesel

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