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Effects of Different Intensity Levels of Circuit Resistance Training on Physiological Variables of Young Female Adults in Plateau State, Nigeria

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Effects of Different Intensity Levels of Circuit Resistance Training on Physiological Variables of Young Female Adults in Plateau State, Nigeria.

ABSTRACT

The purpose of this study was to determine the effects of different intensities of circuit resistance training on body composition, resting blood pressure, and resting metabolic rate of young female adults in the Plateau state. A pre-test and post-test group research design were used for the study.

Thirty (30) young female adult volunteers were randomly assigned into three groups of low, moderate, and high intensity to 12 weeks of circuit resistance training (CRT) (LI, n=10, 29.7+3.04; MI, n=10, 28.6+2.12; HI, n=10, 29.3+2.43 years). The low-intensity group exercised at 40% 1 repetition maximum while the moderate and high intensity exercised at 50 – 60% 1 repetition maximum.

The exercise was conducted 3 times a week and 30 – 40 minutes per session. The variables measured were percent body fat (%BF), waist-to-hip ratio (WHR), lean body mass (LBM), resting systolic blood pressure (SBP), resting diastolic blood pressures (DBP), and resting metabolic rate (RMR).

At the end of the 12-week training period, there was a decrease (p<.05) in the three CRT groups %BF (LI = – 1.8%; MI = -2.4%; MI = -2.9%, (BP) LI = – 6/3, MI = -7/5, HI = -9/6, an increase in LBM (LI = 1.2kg; MI = 3.8kg; HI = 5.1kg), RMR (LI = 34; MI = 81; HI = 112).

One-way analysis of variance (ANOVA 1) and Scheffe’s post hoc tests was used to find out the significant effects on the physiological variables of the participants. And the F-value of %BF, WHR, BMI,  LBW,  SBP,  DBP, and  RMR  were  20.78,  17.23,  2.58,  5.23,  4.25,  4.75  and   5.16

Compared to the critical value of 2.37 respectively. The results of the study revealed that the different intensities of CRT had significant effects on body composition, resting blood pressure, and resting metabolic rate of the participants.

On the basis of these findings, it was recommended that: young female adults should train more at moderate or relatively high-intensity circuit resistance programs. This would go a long way to generally improve their health and fitness.

TABLE OF CONTENTS

Title page ii

Declaration iii

Certification iv

Dedication v

Acknowledgments vi

Abstract  viii

Table of content ix

List of tables xii

Abbreviations xiii

Operational definition of terms xiv

Chapter one

  • Introduction
  • Background of study 1
  • Statement of the problem 5
  • Research questions 6
  • Purpose of study 7
  • Research hypotheses 8
  • Significance of study -8
  • Delimitation of study 10
  • Limitations of study 11

Chapter two

  • Review of related literature
  • Introduction 13
  • Concept of circuit resistance training (crt) 13
  • Effects of different intensity levels of crt on body composition 17
  • Effects of different intensity levels of crt on blood pressure 24
  • Effects of different intensity levels of crt on resting metabolic rate-28
  • Summary 32

Chapter three

  • Research methodology
  • Introduction 34
  • Research design 34
  • The population of study 34
  • sample and sampling techniques 34
  • Research instruments 35
  • Description of the tests 36
  • Height 36
  • Weight 36
  • Body mass index 37
  • Waist-to-hip ratio 37
  • Percent body fat 38
  • Resting blood pressure 38
  • Resting metabolic rate 39
  • Training protocols 40
  • Procedure for data collection 43
  • Research controls 44
  • Research assistance 44
  • Statistical techniques 45

Chapter four

  • Results and discussion
  • Introduction 46
  • Results 46
  • Discussion 55

Chapter five

  • Summary, conclusion, and recommendations
  • Summary 63
  • Conclusion 64
  • Recommendations 65
  • Suggestions for further study 65
  • References   66
  • Appendices 71

INTRODUCTION

Background of the Study

Circuit resistance training (CRT) is a great type of training routine that offers a number of benefits, especially for those who have limited time for a workout. Circuit resistance training is the practice of doing exercises with resistance and moving simultaneously from one station to the next with no real break in between exercises.

It can be designed to increase muscular strength and power, muscular endurance, flexibility, and to a limited extent, cardio-respiratory endurance. However, the physiological effects depend to a large extent on the type of circuit that is set up.

For example, a circuit consisting only of weight-resistance exercises produce substantial gains in strength but only minimal gains in cardio-respiratory endurance (Gettman, Ayres, Pollock, and Jackson, 1978; Wilmore, Parr, Girandola, Ward, Vodak, Barstow, Pipes, Romero, and Laslie, 1978).

The physiological effects of circuit resistance training (CRT) on body composition, resting blood pressure and resting metabolic rate (RMR) of females have been of great interest to exercise scientists, dieticians, clinicians, coaches, allied sports, and health professionals.

Since early times, different kinds of training programs that may also be effective in improving health and fitness in females is circuit resistance training (CRT). Corbin and Lindsey (1994), defined circuit resistance training as a routine of selected weight exercises or activities performed as possible in a sequence at circuitous individual stations.

REFERENCES 

Abah, J. A; Venkateswarlu K.; Chado, M. A. &Gunen, E.A., (2011).Relationshipbetween Blood Pressure and Body Composition of Active and Inactive Students in A.B.U, Zaria.Journal of Educational Research Development Vol.6, No. 1.
Agbonlahor E.L.; Agbonlahor L. N.;Agwubike E. O.; Ikhioya G. O.; &Osagiede F. I., (2009). Effect of Moderate and High Intensity Resistance Training on Body Composition of Overweight Women.Ozean Journal of Applied Sciences 2(4) ISSN 1943-2429.
Agwubike, E.O. (1992). Physical Alteration in College of Physical Education, Effect and Use. MenConsequent To A 10 – Weeks Set and Interval Circuit Weight Training Programme Unpublished Doctoral Thesis, University of Ibadan, Nigeria.
American College of Sports Medicine. (1993). Position Stand: Physical Fitness and Hypertension. Medicine and Science in Sports and Exercise. 25, i-x.
American Heart Association. (1990).Medical Statements Exercise Standards: A Statement for Health Professionals from the American Heart Association. Circulation. 82, 2286- 2322.
America College of Sports Medicine. (2001). Position Stand on the Appropriate Intervention for Weight Loss and Prevention of Weight Gain for Adults. Medicine andScience in Exercise 33 (12): 2145-2156.

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