EFFECTS OF AN 8-WEEK INTERMITTENT AEROBIC EXERCISE ON THE ELECTROCARDIOGRAM AND PHYSIOLOGICAL PARAMETERS OF INSTITUTIONAL SECURITY PERSONNEL IN NIGERIA

Authors

  • O. O. Akinbiola Department of Kinesiology, Health Education and Recreation, Obafemi Awolowo University, Ile-Ife, Nigeria
  • S. A. Adeniran Department of Kinesiology, Health Education and Recreation, Obafemi Awolowo University, Ile-Ife, Nigeria
  • O. Ogunlade Department of Kinesiology, Health Education and Recreation, Obafemi Awolowo University, Ile-Ife, Nigeria

DOI:

https://doi.org/10.46827/ejpe.v0i0.2010

Keywords:

intermittent exercise, electrocardiogram, physiological parameters, security personnel

Abstract

This study determined the effects of an 8-week intermittent aerobic exercise training on the resting electrocardiogram and physiological parameters of institutional security personnel in Obafemi Awolowo University Teaching Hospitals Complex (OAUTHC). The study adopted a pretest-posttest-control group experimental design. The population for the study were male security personnel of OAUTHC, Ile-Ife. Forty middle-aged volunteers who met the inclusion criteria were randomly assigned to either of Intermittent Training Group, ITG (n = 20) or control (n = 20). A structured exercise training programme, Intermittent Exercise Training Programme was used to train the ITG for 8 weeks. Resting ECG was recorded pre and post-intervention with a 12-lead Electrocardiograph, weight and height were measured with an electronic BMI scale. Blood pressure was recorded before and after exercise sessions. Participants in ITG performed the 12-minutes run/walk test before and after the 8 weeks intervention. Borg’s rating of perceived exertion scale was used to gauge exercise intensity and a structured data sheet was used for recording data. Paired- sample t- Test statistics was used to analyse data. The results showed that intermittent aerobic exercise training neither produced significant effect on the resting ECG parameters in terms of intervals; RR- interval (t = -0.79; p > 0.05), P- wave duration (t = -0.64; p > 0.05), PR- interval (t = -0.08; p > 0.05), QRS- Complex (t = -0.99; p > 0.05) and QTC (t = -1.20; p > 0.05) nor axes P- Axis (t = -0.06; p > 0.05), QRS- Axis (t = 0.78; p > 0.05) and T- Axis (t = 0.60; p > 0.05). It however affected participants’ heart rate (t = 4.41; p < 0.05) and VO2 max (t = -11.25; p < 0.05). The study concluded that intermittent aerobic exercise training produced no significant effect on the resting ECG parameters but significantly reduced heart rate and increased VO2 max.

 

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Author Biographies

  • O. O. Akinbiola, Department of Kinesiology, Health Education and Recreation, Obafemi Awolowo University, Ile-Ife, Nigeria

    Oluwabusayo Odunayo Akinbiola (B.Ed., M.A., M.P.A., PhD.) is an Exercise Physiologist whose research interests are, cardiovascular exercise physiology, resting and stress ECG, anthropometry and body composition, physical fitness and biomechanics. His current research activities focus on effects of various exercise training modalities on electrocardiogram of elite and non-elite athletes. Dr Akinbiola teaches exercise physiology to undergraduate and postgraduate students in the Department of Kinesiology, Health Education and Recreation, Obafemi Awolowo University, Nigeria.

  • S. A. Adeniran, Department of Kinesiology, Health Education and Recreation, Obafemi Awolowo University, Ile-Ife, Nigeria

    Samuel Adebisi Adeniran (BSc. MSc., PhD.) is a Professor of Exercise Physiology and Biomechanics with a lecturing career spanning an upward of 40 years, in the Department of Kinesiology, Health Education and Recreation, Obafemi Awolowo University, Ile-Ife, Nigeria. He teaches exercise physiology, kinesiology, biomechanics, human biodynamics, research and statistical methods in kinesiology, to students at undergraduate and postgraduate levels. He has supervised scores of masters and doctoral theses and dissertations in areas of exercise physiology and biomechanics. Professor Adeniran established the Human Performance Laboratory of the Department of Kinesiology, Health Education and Recreation, Obafemi Awolowo University, Ile-Ife, Nigeria, where he worked from 1974 till date.

  • O. Ogunlade, Department of Kinesiology, Health Education and Recreation, Obafemi Awolowo University, Ile-Ife, Nigeria

    Oluwadare Ogunlade (MBChB. MSc., PhD., FWACP) is a Consultant Cardiologist and Cardiovascular Physiologist in the Department of Physiological Sciences, Obafemi Awolowo University, Ile-Ife, Nigeria. He offers consultancy services in areas of general and preventive cardiology at the Obafemi Awolowo University Teaching Hospitals’ Complex- OAUTHC, Ile-Ife and the Wesley Guild Hospital, Ilesha, Osun State, Nigeria. He teaches cardiovascular physiology in the Department of Physiological Sciences, Obafemi Awolowo University, Ile-Ife, Nigeria. Dr Ogunlade’s research focus is cardiovascular physiology, cardiology, electrocardiography in the young and application of electrocardiography for sex verification.

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Published

2018-10-17

Issue

Vol 4, No 9 (2018)

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