Martin P Schwellnus

Summary

Affiliation: University of Cape Town
Country: South Africa

Publications

  1. ncbi request reprint Reduced eccentric loading of the knee with the pose running method
    Regan E Arendse
    MRC UCT Exercise Science and Sports Medicine Research Unit, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Sports Science Institute of South Africa, PO Box 115, Newlands 7725, South Africa
    Med Sci Sports Exerc 36:272-7. 2004
  2. doi request reprint Increased running speed and pre-race muscle damage as risk factors for exercise-associated muscle cramps in a 56 km ultra-marathon: a prospective cohort study
    Martin P Schwellnus
    Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, South Africa
    Br J Sports Med 45:1132-6. 2011
  3. doi request reprint Elite athletes travelling to international destinations >5 time zone differences from their home country have a 2-3-fold increased risk of illness
    Martin P Schwellnus
    Department of Human Biology, Faculty of Health Sciences, UCT MRC Research Unit for Exercise Science and Sports Medicine, University of Cape Town, Newlands, South Africa
    Br J Sports Med 46:816-21. 2012
  4. doi request reprint Increased running speed and previous cramps rather than dehydration or serum sodium changes predict exercise-associated muscle cramping: a prospective cohort study in 210 Ironman triathletes
    Martin P Schwellnus
    UCT MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, University of Cape Town, Cape Town, South Africa
    Br J Sports Med 45:650-6. 2011
  5. doi request reprint Cause of exercise associated muscle cramps (EAMC)--altered neuromuscular control, dehydration or electrolyte depletion?
    M P Schwellnus
    UCT MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, South Africa
    Br J Sports Med 43:401-8. 2009
  6. doi request reprint Muscle cramping in athletes--risk factors, clinical assessment, and management
    Martin P Schwellnus
    UCT MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, University of Cape Town, 3rd Floor, Sports Science Institute of South Africa, Boundary Road, Newlands, Cape Town 7700, South Africa
    Clin Sports Med 27:183-94, ix-x. 2008
  7. ncbi request reprint Muscle cramping in the marathon : aetiology and risk factors
    Martin P Schwellnus
    UCT MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
    Sports Med 37:364-7. 2007
  8. doi request reprint The association between the COL12A1 gene and anterior cruciate ligament ruptures
    Michael Posthumus
    UCT MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
    Br J Sports Med 44:1160-5. 2010
  9. doi request reprint The COL1A1 gene and acute soft tissue ruptures
    Malcolm Collins
    South African Medical Research Council, Cape Town, South Africa
    Br J Sports Med 44:1063-4. 2010
  10. doi request reprint The COL5A1 gene is associated with increased risk of anterior cruciate ligament ruptures in female participants
    Michael Posthumus
    Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
    Am J Sports Med 37:2234-40. 2009

Collaborators

Detail Information

Publications25

  1. ncbi request reprint Reduced eccentric loading of the knee with the pose running method
    Regan E Arendse
    MRC UCT Exercise Science and Sports Medicine Research Unit, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Sports Science Institute of South Africa, PO Box 115, Newlands 7725, South Africa
    Med Sci Sports Exerc 36:272-7. 2004
    ..The aim of this study was to compare the biomechanical changes during natural heel-toe running with learned midfoot and Pose running...
  2. doi request reprint Increased running speed and pre-race muscle damage as risk factors for exercise-associated muscle cramps in a 56 km ultra-marathon: a prospective cohort study
    Martin P Schwellnus
    Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, South Africa
    Br J Sports Med 45:1132-6. 2011
    ..Despite the high prevalence of exercise-associated muscle cramping (EAMC) in endurance runners, the aetiology and risk factors for this condition are not fully understood...
  3. doi request reprint Elite athletes travelling to international destinations >5 time zone differences from their home country have a 2-3-fold increased risk of illness
    Martin P Schwellnus
    Department of Human Biology, Faculty of Health Sciences, UCT MRC Research Unit for Exercise Science and Sports Medicine, University of Cape Town, Newlands, South Africa
    Br J Sports Med 46:816-21. 2012
    ..Illness accounts for a significant proportion of consultations with a team physician travelling with elite athletes...
  4. doi request reprint Increased running speed and previous cramps rather than dehydration or serum sodium changes predict exercise-associated muscle cramping: a prospective cohort study in 210 Ironman triathletes
    Martin P Schwellnus
    UCT MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, University of Cape Town, Cape Town, South Africa
    Br J Sports Med 45:650-6. 2011
    ..Despite the high prevalence of exercise-associated muscle cramping (EAMC) in endurance athletes, the aetiology and risk factors for this condition are not fully understood...
  5. doi request reprint Cause of exercise associated muscle cramps (EAMC)--altered neuromuscular control, dehydration or electrolyte depletion?
    M P Schwellnus
    UCT MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, South Africa
    Br J Sports Med 43:401-8. 2009
    ....
  6. doi request reprint Muscle cramping in athletes--risk factors, clinical assessment, and management
    Martin P Schwellnus
    UCT MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, University of Cape Town, 3rd Floor, Sports Science Institute of South Africa, Boundary Road, Newlands, Cape Town 7700, South Africa
    Clin Sports Med 27:183-94, ix-x. 2008
    ..The diagnosis of EAMC is made clinically, and the most effective immediate management of EAMC is rest and passive stretching. The key to the prevention of EAMC is to reduce the risk of developing premature muscle fatigue...
  7. ncbi request reprint Muscle cramping in the marathon : aetiology and risk factors
    Martin P Schwellnus
    UCT MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
    Sports Med 37:364-7. 2007
    ..The development of premature muscle fatigue appears to explain the onset of EAMC...
  8. doi request reprint The association between the COL12A1 gene and anterior cruciate ligament ruptures
    Michael Posthumus
    UCT MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
    Br J Sports Med 44:1160-5. 2010
    ..Type XII collagen, similarly to types I and V collagen, is a structural component of the ligament fibril and is encoded by a single gene, COL12A1...
  9. doi request reprint The COL1A1 gene and acute soft tissue ruptures
    Malcolm Collins
    South African Medical Research Council, Cape Town, South Africa
    Br J Sports Med 44:1063-4. 2010
    ..0001) groups. This combined analysis indicates that the TT genotype appears to be protective against acute soft tissue ruptures and should be incorporated into multifactorial models determining risk of acute soft tissue ruptures...
  10. doi request reprint The COL5A1 gene is associated with increased risk of anterior cruciate ligament ruptures in female participants
    Michael Posthumus
    Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
    Am J Sports Med 37:2234-40. 2009
    ..The COL5A1 gene, which encodes for the alpha1 chain of type V collagen, has been shown to be associated with Achilles tendon injuries...
  11. doi request reprint Collagen genes and exercise-associated muscle cramping
    KEVIN O'CONNELL
    UCT MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
    Clin J Sport Med 23:64-9. 2013
    ..Specifically, the aim of this study was to investigate if the COL5A1 rs12722 (C/T), COL3A1 rs1800255 (G/A), COL6A1 rs35796750 (T/C), and COL12A1 rs970547 (A/G) polymorphisms are associated with a history of EAMC...
  12. ncbi request reprint The COL5A1 gene, ultra-marathon running performance, and range of motion
    James C Brown
    Department of Human Biology, University of Cape Town, Cape Town, South Africa
    Int J Sports Physiol Perform 6:485-96. 2011
    ..The aim of this study was to investigate whether COL5A1 is associated with ultra-marathon running performance and whether this relationship could be partly explained by prerace SR ROM...
  13. doi request reprint Factors associated with a self-reported history of exercise-associated muscle cramps in ironman triathletes: a case-control study
    Gavin Shang
    UCT MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
    Clin J Sport Med 21:204-10. 2011
    ..The exact cause of and risk factors for EAMC are still being investigated. The main objective of this study was to investigate factors that are associated with a self-reported history of EAMC in Ironman triathletes...
  14. doi request reprint The intrinsic risk factors for ACL ruptures: an evidence-based review
    Michael Posthumus
    UCT MRC Research Unit for Exercise Science and Sports Medicine, University of Cape Town, Cape Town, South Africa
    Phys Sportsmed 39:62-73. 2011
    ..These data should be used to establish multifactorial risk factor models designed to identify individuals at high risk of sustaining an ACL injury...
  15. doi request reprint The COL5A1 gene: a novel marker of endurance running performance
    Michael Posthumus
    UCT MRC Research Unit for Exercise Science and Sports Medicine of the Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
    Med Sci Sports Exerc 43:584-9. 2011
    ..Type V collagen is a quantitatively minor fibrillar collagen, which is believed to regulate fibrillogenesis within tendons and other connective tissue...
  16. doi request reprint Are splanchnic hemodynamics related to the development of gastrointestinal symptoms in ironman triathletes? A prospective cohort study
    Helen Wright
    UCT MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
    Clin J Sport Med 21:337-43. 2011
    ..To determine if prerace to postrace changes in superior mesenteric artery (SMA) and coeliac artery hemodynamics were related to the development of gastrointestinal (GI) symptoms during a triathlon...
  17. ncbi request reprint Less experience and running pace are potential risk factors for medical complications during a 56 km road running race: a prospective study in 26 354 race starters--SAFER study II
    Karen Schwabe
    Clinical Sport and Exercise Medicine Research Group, UCT MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
    Br J Sports Med 48:905-11. 2014
    ..It is important to identify risk factors associated with medical complications during ultra-marathons so that prevention programmes can be developed...
  18. ncbi request reprint The COL5A1 Gene, Ultra-Marathon Running Performance, and Range of Motion
    James C Brown
    UCT MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
    Int J Sports Physiol Perform 6:485-96. 2011
    ..The aim of this study was to investigate whether COL5A1 is associated with ultra-marathon running performance and whether this relationship could be partly explained by prerace SR ROM...
  19. doi request reprint A comparison of two treatment protocols in the management of exercise-associated postural hypotension: a randomised clinical trial
    Cameron Anley
    UCT MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, South Africa
    Br J Sports Med 45:1113-8. 2011
    ..To investigate which of two commonly used treatment protocols for exercise-associated postural hypotension (EAPH) resulted in earlier discharge from the medical facility...
  20. doi request reprint Investigation of the Sp1-binding site polymorphism within the COL1A1 gene in participants with Achilles tendon injuries and controls
    Michael Posthumus
    UCT MRC Research Unit for Exercise Science and Sports Medicine of the Department of Human Biology, Faculty of Health Sciences, University of Cape Town, South Africa
    J Sci Med Sport 12:184-9. 2009
    ..In conclusion, this study has shown that there is no association between the Sp1-binding site polymorphism within the first intron of COL1A1 and Achilles tendinopathy or Achilles tendon rupture within the population studied...
  21. ncbi request reprint The incidence and nature of injuries in South African rugby players in the rugby Super 12 competition
    Louis J Holtzhausen
    MRC UCT Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, University of Cape Town, South Africa
    S Afr Med J 96:1260-5. 2006
    ..Aim. The aim of the study was to document the incidence, nature and risk factors associated with injuries during a Super 12 rugby competition...
  22. ncbi request reprint Serum electrolytes in Ironman triathletes with exercise-associated muscle cramping
    Nicole U Sulzer
    UCT MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, South Africa
    Med Sci Sports Exerc 37:1081-5. 2005
    ..To compare serum electrolyte concentrations of cramping and control Ironman triathletes...
  23. ncbi request reprint Older females are at higher risk for medical complications during 21 km road race running: a prospective study in 39 511 race starters--SAFER study III
    Karen Schwabe
    Clinical Sport and Exercise Medicine Research Group, UCT MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
    Br J Sports Med 48:891-7. 2014
    ..The half-marathon (21 km) race is a very popular mass community-based distance running event. It is important to determine risk factors for medical complications during these events, so that prevention programmes can be developed...
  24. pmc Tendon and ligament injuries: the genetic component
    Alison V September
    UCT MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
    Br J Sports Med 41:241-6; discussion 246. 2007
    ..In future, specific genotypes associated with increased risk of injury to specific tendons and ligaments can prevent these injuries by identifying individuals at higher risk...
  25. doi request reprint International Olympic Committee consensus statement: molecular basis of connective tissue and muscle injuries in sport
    Arne Ljungqvist
    International Olympic Committee Medical Commission, Lausanne, Switzerland
    Clin Sports Med 27:231-9, x-xi. 2008
    ..The International Olympic Committee (IOC) now has high-level scientific advisors who can advise the IOC as to the use and abuse of these technologies...