Browsing Research Articles (University of Pretoria) by Subject "Exercise -- Physiological aspects"

Browsing Research Articles (University of Pretoria) by Subject "Exercise -- Physiological aspects"

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  • Effect of exercise on cardiac autonomic function in females with rheumatoid arthritis 
    Janse van Rensburg, Dina Christina; Ker, James A.; Grant, C.C. (Catharina Cornelia); Fletcher, Lizelle (Springer, 2012-08)
    The objective of this study is to evaluate the effect of exercise on cardiac autonomic function as measured by short-term heart rate variability (HRV) in females suffering from rheumatoid arthritis (RA). Females with ...
  • Exercise-induced anaphylaxis 
    Nolte, Kim; Janse van Rensburg, Dina Christina (Allergy Society of South Africa, 2010-06)
    Exercise-induced anaphylaxis (EIA) is a unique physical allergy characterised by a spectrum of symptoms occurring during physical activity that ranges from mild cutaneous signs to severe systemic manifestations such as ...
  • Incremental exercise test performance with and without a respiratory gas collection system 
    Clark, James R.; Clark, Jimmy R. (Health and Medical Publishing Group, 2008)
    OBJECTIVE: Despite their widespread use in exercise testing, few data are available on the effect of wearing respiratory gas collection (RGC) systems on exercise test performance. Industrial- type mask wear is thought to ...
  • Relationship between exercise capacity and heart rate variability : supine and in response to an orthostatic stressor 
    Grant, C.C. (Catharina Cornelia); Clark, Jimmy R.; Janse van Rensburg, Dina Christina; Viljoen, Margaretha (Elsevier, 2009)
    The study investigated whether supine-measured HRV indicators, and/or HRV indicators measured during orthostatic stress are related to conventional measures of exercise and performance ability such as VO2max. Only two ...