Dina C. Janse van Rensburg
A5054351657- Sports injuries and prevention
- Cardiovascular Effects of Exercise
- Sports Performance and Training
- Injury Epidemiology and Prevention
- Cardiovascular and exercise physiology
- Heart Rate Variability and Autonomic Control
- Occupational Health and Performance
- Shoulder Injury and Treatment
- Exercise and Physiological Responses
- Muscle metabolism and nutrition
- Physical Activity and Health
- Non-Invasive Vital Sign Monitoring
- Rheumatoid Arthritis Research and Therapies
- Traumatic Brain Injury Research
- Knee injuries and reconstruction techniques
- Travel-related health issues
- High Altitude and Hypoxia
- Cardiac Arrest and Resuscitation
- Shoulder and Clavicle Injuries
- Musculoskeletal pain and rehabilitation
- Lower Extremity Biomechanics and Pathologies
- Muscle and Compartmental Disorders
- Sleep and Work-Related Fatigue
- Orthopedic Surgery and Rehabilitation
- Winter Sports Injuries and Performance
University of Pretoria
2016-2025
South African Medical Association
2023
International Federation of Sports Medicine
2020-2022
China Medical Board
2022
English Institute of Sport
2021
Sports Science Institute of South Africa
2021
South African Medical Research Council
2021
Sports Medicine Australia
2013-2018
SMART Reading
2014-2016
Right to Care
2015
Athletes participating in elite sports are exposed to high training loads and increasingly saturated competition calendars. Emerging evidence indicates that poor load management is a major risk factor for injury. The International Olympic Committee convened an expert group review the scientific relationship of (defined broadly include rapid changes load, calendar congestion, psychological travel) health outcomes sport. We summarise results linking injury athletes, provide coaches support...
The modern-day athlete participating in elite sports is exposed to high training loads and increasingly saturated competition calendar. Emerging evidence indicates that inappropriate load management a significant risk factor for acute illness the overtraining syndrome. IOC convened an expert group review scientific relationship of load—including rapid changes load, calendar congestion, psychological travel—and health outcomes sport. This paper summarises results linking athletes, provides...
Abstract Objective Our objective was to explore the training-related knowledge, beliefs, and practices of athletes influence lockdowns in response coronavirus disease 2019 (COVID-19) pandemic caused by severe acute respiratory syndrome 2 (SARS-CoV-2). Methods Athletes ( n = 12,526, comprising 13% world class, 21% international, 36% national, 24% state, 6% recreational) completed an online survey that available from 17 May 5 July 2020 explored their training behaviors (training...
Several sports have published consensus statements on methods and reporting of epidemiological studies concerning injuries illnesses with football (soccer) producing one the first guidelines. This football-specific statement was in 2006 required an update to align scientific developments field. The International Olympic Committee (IOC) recently released a sports-generic outlining for recording data injury illness sport encouraged development sport-specific extensions.The Fédération...
Mass participation endurance sports events are popular but a large number of participants older and may be at risk medical complications during events. Medical encounters (defined fully in the statement) include those traditionally considered 'musculoskeletal' (eg, strains) due to 'illness' cardiac, respiratory, endocrine). The rate sudden death mass (running, cycling triathlon) is between 0.4 3.3 per 100 000 entrants. other serious exertional heat stroke, hyponatraemia) rarely reported;...
The IOC recently published its framework on fairness, inclusion and non-discrimination based gender identity sex variations. This is drafted mainly from a human rights perspective, with less consideration for medical/scientific issues. places the onus eligibility classification entirely International Federations (IFs), even though most will not have capacity to implement framework. position of no presumption advantage contrary 2015 consensus. Implementation 2021 be major challenge IFs that...
Quantification of cardiac autonomic activity and control via heart rate (HR) variability (HRV) is known to provide prognostic information in clinical populations. Issues with regard standardization interpretation HRV data make the use more easily accessible HR on its own as an indicator very appealing. The aim this study was investigate strength associations between important cardio vascular health metric such VO2max following: HR, indicators, normalized indicators. A cross sectional...
Non-communicable diseases (NCDs), including coronary heart disease, stroke, hypertension, type 2 diabetes, dementia, depression and cancers, are on the rise worldwide often associated with a lack of physical activity (PA). Globally, levels PA among individuals below WHO recommendations. A can increase morbidity mortality, worsen quality life economic burden society. In response to this trend, numerous organisations came together under one umbrella in Hamburg, Germany, April 2021 signed...
Multiligament knee injuries (MLKIs) represent a broad spectrum of pathology with potentially devastating consequences. Currently, disagreement in the terminology, diagnosis and treatment these limits clinical care research. This study aimed to develop consensus on nomenclature, diagnosis, rehabilitation strategies for patients MLKI, while identifying important research priorities further study. An international process was conducted using validated Delphi methodology line British Journal...
Muscles, tendons, joints and nerves are susceptible to injury when stressed or traumatised repetitively, over an extended period of time. Regardless the nature work, a large proportion working population's time is spent engaged in repetitive movements maintaining postures for periods The reported incidence work-related back neck pain, carpal tunnel syndrome, between 15–60%,1–3 indicating that high population at risk developing one more musculoskeletal disorders. parts body most commonly...
The effect of exercise interventions on autonomic nervous system (ANS) control the heart by rate variability (HRV) is often investigated in just one position. It was hypothesized that results exercise-induced changes ANS are dependent body position and it possible to distinguish between induced vagal sympathetic influence taking measurements different positions.One hundred eighty-three (male = 100, female 83) healthy volunteers, 18 22 years, participated a prospective twelve week medium high...
To investigate differences in athletes' knowledge, beliefs, and training practices during COVID-19 lockdowns with reference to sport classification sex. This work extends an initial descriptive evaluation focusing on athlete classification.Athletes (12,526; 66% male; 142 countries) completed online survey (May-July 2020) assessing toward training. Sports were classified as team sports (45%), endurance (20%), power/technical (10%), combat (9%), aquatic (6%), recreational (4%), racquet (3%),...
Background: Various disciplines use quantification of heart rate variability (HRV) as an indicator autonomic function without recognizing the importance using standardized methodologies. The aim this study was to assess influence tachogram length and period recording on HRV values. Methods: To test time, values calculated from 180, 300, 420, 600 seconds periods (supine standing) were compared. Also individual 3‐ minute (0–180 seconds, 180–360 360–540 seconds) 10‐minute tachograms Results: In...
To calculate the prevalence rates of mental health symptoms among female professional football players over a 12-month period and to explore associations severe injury related surgery with footballers. An observational prospective cohort study was conducted follow-up by distributing an electronic questionnaire three times. The based on validated screening tools for assessing symptoms. A total 74 participated in this study. Mental ranged from 1% substance misuse 65% sport-psychological...
The triathlon has come to be recognized as a distinct endurance event and although substantial body of research information exists with regard the individual components (canoeing, cycling, running, etc.), physiologic demands imposed by combining respective activities into one continuous have not yet been assessed.