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Dr 

Mathunjwa, Musa

Faculty: Faculty of Science, Agriculture and Engineering
Department: Human Movement Science
Research Interest(s): Combat sports, Non-communicable diseases, Physical activity promotion.
Active Research Project(s): Community-Centred Intervention Strategy for Healthy Living in Individuals with Diabetes Mellitus and Viral Infections or Covid19 at King Cetshwayo District in KwaZulu-Natal Province. GACD NCD prevention in cities: Implementation research targeting chronic non-communicable disease risk factors associated with city environments.
Active Community Engagement: The South African Sports Medicine Association (SASMA). NCD prevention strategies in rural communities: examining the effectiveness of prevention strategies tailored to the unique.
Biography: Dr Musa L. Mathunjwa​ is a senior lecturer in the field of Human Movement Science at the University of Zululand at KwaDlangezwa Campus. He holds a Bsc Sport Science, Bsc Sport (Hons), Msc Sport Science (UNIZULU). His research interests are in Obesity, Physical activity, Exercise and chronic disease, Immune/Inflammatory responses to exercise.
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20221
Author: Coetzee, Donne × Subject: Resistance training ×
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    PublicationJournal Article
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    German volume training for health promotion: acute vasopressor, pulmonary and metabolic responses
    2022
     | Frontiers Media
    Resistance training (RT) is increasingly recommended for incorporation into comprehensive fitness or “exercise as medicine” programs. However, the acute effects of RT, and especially its different sub-types, and how they impact health outcomes are not fully investigated. This study evaluated German Volume Training (GVT) (“10 set × 10 rep scheme”) for its efficacy for its use in health settings. This study utilized a randomized crossover design with subjects serving as their own controls to establish baseline values. Subjects were blinded to the study hypothesis. Subjects performed a single session of GVT or no exercise, in a randomised order separated by a 1-week washout period. Outcomes were assessed before and immediately post-exercise. GVT significantly (p < 0.05) decreased systolic blood pressure (SBP), diastolic blood pressure (DBP) and mean arterial pressure (MAP), but increased heart rate (HR), rate pressure product (RPP) and rating of perceived exertion (RPE). No changes were found in the measured spirometry parameters. Increases were observed in carbon dioxide production (VCO2) and minute ventilation (VE), but not respiratory exchange ratio. Post hoc analysis demonstrated that post-GVT values were significantly lower for SBP (p = 0.017; d = 1.00), DBP (p = 0.013; d = 0.90), MAP (p = 0.024; d = 1.06), and VCO2 (p = 0.009; d = −1.32), and significantly higher for RPP (p = 0.001; d = −3.11), RPE (p = 0.001; d = −14.14), and HR (p = 0.001; d = −3.00). This study indicates that acute GVT promotes post-exercise hypotension and is of sufficient intensity to increase both objective HR and subjective RPE intensities appropriately for use in a variety of health promotion settings.
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