Research Publications

 
RESEARCH PUBLICATIONS  2019    
AUTHORS TITLE CITATION
Schwellnus M, Janse Van Rensburg C, Bayne H, Derman W, Readhead C, Collins R, Kourie A, Suter J, Strauss O,  Sewry N, Jordaan E Team illness prevention strategy (TIPS) is associated with a 59% reduction in acute illness during the Super Rugby tournament: a control–intervention study over 7 seasons involving 126 850 player days Br J Sports Med, 01 Aug 2019, 54(4):245-249. 
Derman W, Runciman P, Schwellnus M, Jordaan E, Blauwet C, Webborn N, Lexell J, Van der Vliet P, Kissick J, Stomphorst J, Kim K, Lee Y Incidence and Burden of Illness at the 2018 Pyeongchang Paralympic Winter Games: A Prospective Cohort Study of 6804 Athlete Days Br J Sports Med. 2019 Sep;53(17):1099-1104.
Derman W, Runciman P, Schwellnus M, Jordaan E, Blauwet C, Webborn N, Lexell J, Van der Vliet P, Kissick J, Stomphorst J, Kim K, Lee Y High incidence of injuries at the Pyeongchang 2018 Paralympic Winter Games: a prospective cohort study of 6804 athlete days Br J Sports Med. 2020;54:38–43
Schwellnus M, Kipps C, Roberts WO, Drezner JA, D’Hemecourt P, Troyanos C, Janse van Rensburg DC, Killops J, Borresen J, Harrast M, Harrast M,  Adami PE, Bermon S, Bigard X, Migliorini S, Jordaan E, Borjesson M Medical encounters (including injury and illness) at mass community-based endurance sports events: an international consensus statement on definitions and methods of data recording and reporting Br J Sports Med. 2019 Sep;53(17):1048-1055
Schwellnus M, Borjesson M, Arvidsson D, Janse van Rensburg DC Chapter:
Book Return to Play in Football An Evidence-based Approach
Title:  Return to Play After Infectious Disease
 
Schwellnus, M., Jordaan, E., Janse van Rensburg, C., Bayne, H Match injury incidence during the Super Rugby tournament is high: a prospective cohort study over five seasons involving 93 641 player-hours. British Journal of Sports Medicine Br J Sports Med. 2019. 53(10)
Bayne, H, Clark J, Cockcroft J The reliability and usefulness of biomechanical measures of countermovement jump performance in elite rowers ISBS Proceedings Archive Vol 37 : Iss 1, article 117
Abrahams S, McFie S, Lacerda M, Patricios J, Suter S, September A, Posthumus M Unravelling the interaction between the DRD2 and DRD4 genes, personality traits and concussion risk BMJ Open Sport Exerc Med. 2019 Feb 2;5(1)
Abrahams S, McFie S, Patricios J, Suter S, September A, Posthumus M Toxic tau: TAU gene polymorphisms associate with concussion history in rugby union players  J Sci Med Sport. 2019 Jan 22(1) 22-28
Janse Van Rensburg DC, Audrey Jansen van Rensburg, Martin P Schwellnus Coping with jet lag and protecting athlete health when travelling,  Aspetar Sports Medicine Journal.
Jannelene Killops, Martin Schwellnus, Dina Christina Janse van Rensburg, Sonja Swanevelder, Esme Jordaan Medical encounters, cardiac arrests and deaths during a 109km community-based mass-participation cycling event: A 3-year study in 102251 race starters - SAFER IX.  British Journal of Sports Medicine, Aug 2019
Jansen van Rensburg A, Schwellnus MP, Janse van Rensburg DC, Jordaan E,  Janse van Rensburg C Measures to reduce illness burden during the Super Rugby tournament should focus on preventing infective respiratory tract illness – A prospective study involving 103979 player days SA J. Sports Med. vol.31 no.1, 2019
Viljoen C, Sewry N, Schwellnus MP, Janse van Rensburg DC, Swanevelder S, Jordaan E Acute injury-related medical encounters (MEs) are 3.9 times more common than illness-related MEs in mass community-based trail running events: SAFER study in 2428 race starters SA J. Sports Med. vol.31 no.1, 2019
Viljoen C,  Sewry N, Schwellnus MP, Janse van Rensburg DC, Swanevelder S, Jordaan6 E Over 14% trail runners report an overuse injury in a 12-month period, mostly affecting the knee and anterior thigh: A SAFER study in 2824 race entrants SA J. Sports Med. vol.31 no.1, 2019
De Jager I, Schwellnus MP, Viljoen C, Korkie E, Swanevelder S, Jordaan E Exercise Associated Muscle Cramp (EAMC) is almost twice as common among 21.1km compared to 56km runners – A SAFER study in 76654 runners SA J. Sports Med. vol.31 no.1, 2019
Hene N,  Schwellnus MP,  Wood P More than 70% of employees in a South African financial institution have modifiable risk factors for non-communicable disease (NCD) – Project SWAY SA J. Sports Med. vol.31 no.1, 2019
Sewry N, Boulter J, Schwellnus MP There is a high rate of medical encounters (1 in 50 runners) during the 90km “Comrades” ultra-distance race - a SAFER study in 84 117 ultramarathon runners SA J. Sports Med. vol.31 no.1, 2019
Sewry N, Viljoen C, Schwellnus MP, Swanevelder S, Jordaan E Race distance, history of chronic disease and analgesic / anti-inflammatory medication use are risk factors associated with overuse injuries in trail runners: a SAFER study in 2824 entrants SA J. Sports Med. vol.31 no.1, 2019
Jordaan E, Schwellnus MP, Du Toit FC, Killops J There is a non-linear relationship between total annual training distance and overuse injuries in cyclists: A cross-sectional study in 21617 recreational cyclists  SA J. Sports Med. vol.31 no.1, 2019
Borresen J, Schwellnus MP, Wood P, Nolte K, Camacho T, Bac M,  Basu D, Gericke G, Talma A 66% of 1st year university medical students report low habitual physical activity levels. SA J. Sports Med. vol.31 no.1, 2019
Borresen J, Schwellnus MP, Bac M, Basu D, Gericke G, Talma A, Wood P, Nolte K, Camacho T Prevalence of lifestyle-related risk factors for non-communicable diseases in 1st year university medical students: preliminary data from the HELP-Health study. SA J. Sports Med. vol.31 no.1, 2019
Elliott K, Clark J, Scott C, Grobler C, FisherM, Janse van Rensburg C Does maturation phase affect physical performance and anthropometry in girls? SA J. Sports Med. vol.31 no.1, 2019
Hay H, Sewry N, Viljoen C, Boulter J, Schwellnus MP Incidence of Exercise Associated Muscle Cramping (EAMC) in “Comrades” runners - a SAFER study in 84 117 race starters SA J. Sports Med. vol.31 no.1, 2019
Janse Van Rensburg C, Sewry N, Schwellnus MP, Jordaan E Is the risk of injury in a Super Rugby season increased by injury in the preceding season?  SA J. Sports Med. vol.31 no.1, 2019
Kroon L, Schwellnus MP, Wood P, Swanevelder S, Jordaan E, Kim N A history of multiple chronic diseases is associated with Muscle strain injuries in runners: A cross-sectional SAFER study in 76654 runners SA J. Sports Med. vol.31 no.1, 2019
 Ntuli S,  Jansen van Rensburg A, Schwellnus MP, Janse Van Rensburg DC, Janse Van Rensburg C, Jordaan E Ligament injuries occur in every match during the Super Rugby Tournament (2013 - 2016) SA J. Sports Med. vol.31 no.1, 2019
Scott C, Elliott K, Clark J, Grobler C, Fisher M, Janse van Rensburg C Performance and anthropometrical differences between sexes at the onset of puberty SA J. Sports Med. vol.31 no.1, 2019
Swanevelder S, Sewry N, Schwellnus MP, Jordaan E Are training/running history, chronic diseases and medication use risk factors for injury prone runners? - a SAFER study in 75 421 race entrants SA J. Sports Med. vol.31 no.1, 2019
Young J, Schwellnus MP, Nolte K, Swanevelder S, Jordaan E, Wood P A history of multiple chronic diseases is associated with Achilles tendon injuries in runners: A cross-sectional SAFER study in 76654 runners SA J. Sports Med. vol.31 no.1, 2019
Chauke I H, Schwellnus MP, Grant CC, Ramagole D, Swanevelder S, Jordaan E Dermatological conditions in recreational athletes participating in a mass community-based running event SA J. Sports Med. vol.31 no.1, 2019
Du Plessis C, Grant CC,  Schwellnus MP,  Jansen Van Rensburg A,  Janse van Rensburg C, Jordaan E Head and neck injuries sustained during the super rugby tournament: a prospective study involving 69 781 training player-hours and 6 520 match player-hours SA J. Sports Med. vol.31 no.1, 2019
Madzhiga F,  Jansen van Rensburg A, Schwellnus MP, Janse van Rensburg DC, Swanevelder S, Jordaan E The epidemiology of iliotibial band friction syndrome (ITBFS), and risk factors associated with ITBFS, in 21.1km and 56km distance Runners SA J. Sports Med. vol.31 no.1, 2019
Ramjee H, Jansen van Rensburg A,  Schwellnus MP,  Janse van Rensburg DC, Janse van Rensburg C, Jordaan E The epidemiology of muscle and tendon injuries during the super rugby tournament (2013 to 2015) SA J. Sports Med. vol.31 no.1, 2019
 
 
Research Publications 2018    
TITLE AUTHORS CITATION

Novel Factors Associated With Analgesic and Anti-inflammatory Medication Use in Distance Runners: Pre-race Screening Among 76 654 Race Entrants—SAFER Study VI

Routunno A, Schwellnus M, Swanevelder S, Jordaan E, Janse van Rensburg D, Derman W Clin Jnl of Sp Med. 28(5):427–434

Match injury incidence during the Super Rugby tournament is high: a prospective cohort study over five seasons involving 93 641 player-hours

Schwellnus M, Jordaan E, Janse van Rensburg C, Bayne H, Derman W, Readhead C, Collins R, Kourie A, Suter J, Strauss O  Br J Sports Med 2018;0:1–8

Leisure athletes at risk of medical complications: outcomes of pre-participation screening among 15,778 endurance runners - SAFER VII 

Schwabe K, Schwellnus M, Swanevelder S, Jodaan S, Derman W, Bosch A

The influence of foot position on scrum kinetics during machine scrummaging

Bayne, H J Sports Sci 2018;36:2836-2842

Illness among Paralympic athletes: Epidemiology, Risk markers, and preventative strategies.

Janse van Rensburg DC, Schwellnus M, Derman W, Webborn N Phys Med Rehab 2018;29:185-203

Underlying Chronic Disease, Medication Use, History of Running Injuries and Being a More Experienced Runner Are Independent Factors Associated With Exercise-Associated Muscle Cramping: A Cross-Sectional Study in 15778 Distance Runners

Schwellnus M, Janse van Rensburg DC, Derman W, Swanevelder S, Jordaan E,  Clin J Sport Med 2018;28:289-298

Mitigating risk of injury in alpine skiing in the Pyeongchang 2018 Paralympic Winter Games: the time is now! 

Derman W, Blauwet C, Webborn N, Schwellnus M, Van de Vliet P, Dimitrije Laearovski Br J Sports Med 2018;52:419–420

High precompetition injury rate dominates the injury profile at the Rio 2016 Summer Paralympic Games: a prospective cohort study of 51 198 athlete days.

Derman W, Runciman P, Schwellnus M, Jordaan E, Blauwet C, Webborn N, Lexell J, Van der Vliet P, Tuakli-Wosornu Y, Kissick J, Stomphorst J Br J Sports Med 2018;52:24–31

Sport, sex and age increase risk of illness at the Rio 2016 Summer Paralympic Games: a prospective cohort study of 51 198 athlete days.

Derman W,  Schwellnus M, Jordaan E, Runciman P,  Blauwet C, Webborn N, Lexell J, Van der Vliet P, Tuakli-Wosornu Y, Kissick J, Stomphorst J Br J Sports Med 2018;52:17–23
The Incidence and Burden of Illness at the 2018 Pyeongchang Paralympic Winter Games: A Prospective Cohort Study of 6804 Athlete Days  Derman W, Runciman P, Schwellnus M, Jordaan E, Blauwet C, Webborn N, Lexell J, Van der Vliet P, Kissick J, Stomphorst J, Kim K, Lee Y https://mc.manuscriptcentral.com/bjsm
A High Incidence of Para Snowboard Injuries Characterises the Injury Profile at the Pyeongchang 2018 Paralympic Winter Games: A Prospective Cohort Study of 6804 Athlete Days Derman W, Runciman P, Schwellnus M, Jordaan E, Blauwet C, Webborn N, Lexell J, Van der Vliet P, Kissick J, Stomphorst J, Kim K, Lee Y Br J Sports Med Epub ahead of print 2018
 
 
 
RESEARCH PUBLICATIONS 2017    
TITLE AUTHORS CITATION
Underlying Chronic Disease, Medication Use, History of Running Injuries and Being a More Experienced Runner Are Independent Factors Associated With Exercise-Associated Muscle Cramping: A Cross-Sectional Study in 15778 Distance Runners. Schwellnus M, Swanevelder S, Jordaan E, Derman W, Janse van Rensburg DC Clin J Sport Med 2017;0:1–10
The injury and illness profile of a 94.7 km cycle race: A cross-sectional study. Breedt M, Janse van Rensburg DC, Fletcher L, Schwellnus MP, Grant CC 
What Definition Is Used to Describe Second Impact Syndrome in Sports? A Systematic and Critical Review. Stovitz S, Weseman JD, Hooks MC, Schmidt RJ, Koffel JB, Patricios JS. Curr Sports Med Rep. 2017; 16(1):50–55 
What are the critical elements of sideline screening that can be used to establish the diagnosis of concussion? A systematic review. Jon Patricios, Gordon Ward Fuller, Richard Ellenbogen, Stanley Herring , Jeffrey S Kutcher, Mike Loosemore, Michael Makdissi, Michael McCrea, Margot Putukian, Kathryn J Schneider  Br J Sports Med 2017;51:888–895
Recent acute prerace systemic illness in runners increases the risk of not finishing the race: SAFER study V.  Leigh Gordon, Martin Schwellnus, Sonja Swanevelder, Esme Jordaan, Wayne Derman  Br J Sports Med 2017;51:1295–1300
Consensus statement on concussion in sport—the 5thinternational conference on concussion in sport held in Berlin, October 2016.  P McCrory, W Meeuwisse, J Dvorak, M Aubry, J Bailes, S Broglio, RC Cantu, D Cassidy, RJ Echemendia, RJ Castellani, GA Davis, R Ellenbogen, C Emery, L Engebretsen, N Feddermann-Demont, CC Giza, KM Guskiewicz, S Herring, GL Iverson, KM Johnston, J Kissick,J Kutcher, JJ Leddy, D Maddock, M Makdissi, G Manley, M McCrea, WP Meehan, S Nagahiro, J Patricios, M Putukian, KJ Schneider, A Sills, CH Tator, M Turner, PE Vos Br J Sports Med 2017;0:1–10. 
Pre-marathon Evaluations: Is There a Role for Runner Prerace Medical Screening and Education to Reduce the Risk of Medical Complications? Schwellnus, Martin Peter  Curr Sports Med Rep. Vol 16, No 3, May/June 2017

 
Incidence of injury and illness in South African professional male football players: A prospective cohort study.  Bayne H, Schwellnus M, Janse Van Rensburg D, Botha J, Pillay L  J Sports Med Phys Fitness. 2017 May 09.
Transient Receptor Potential (TRP) Channels and Exercise Associated Muscle Cramping (EAMC): A Tale of Multiple Complexities. M P Schwellnus, M D Hoffman Muscle Nerve 56: 355–357, 2017
Effect of Mixed Basic Military Training on the physical fitness of male and female soldiers.   Paola Wood, Catharina Grant, Peet du Toit, Lizelle Fletcher Military Medicine, Vol 182:7, 1 July 2017, e1771–e1779
5th International Conference on Concussion in Sport (Berlin). P McCrory, WH Meeuwisse, JDvořák, RJ Echemendia, L Engebretsen, N Feddermann-Demont, M McCrea, M Makdissi, J Patricios, KJ Schneider, AK Sills. Br J Sports Med 2017;51:837
The Sport Concussion Assessment Tool 5th Edition (SCAT5): Background and rationale. RJ Echemendia, W Meeuwisse, PMcCrory, GA Davis, M Putukian, J Leddy, M Makdissi, S Sullivan, SP Broglio, M Raftery, K Schneider, J Kissick, M McCrea, J Dvořák, AK Sills, M Aubry,  L Engebretsen, M Loosemore, G Fuller, J Kutcher, R Ellenbogen, K Guskiewicz, J Patricios,  S Herring Br J Sports Med 2017;51:848–850
The Child Sport Concussion Assessment Tool 5th Edition (Child SCAT5): Background and rationale. GA Davis, L Purcell, KJ Schneider, K Owen Yeates, GA Gioia, V Anderson, RG Ellenbogen, RJ Echemendia, M Makdissi, A Sills, GL Iverson, J Dvořák, P McCrory, W Meeuwisse, J Patricios, CC Giza, JS Kutcher Br J Sports Med 2017;51:859–861
The Concussion Recognition Tool 5th Edition (CRT5): Background and rationale RJ Echemendia, W Meeuwisse, P McCrory, GA Davis, M Putukian, J Leddy, M Makdissi, S J Sullivan, SP Broglio, M Raftery, K Schneider, J Kisick, M McCrea, J Dvořák, AK Sills, M Aubry, L Engebretsen, M Loosemore, G Fuller, J Kutcher, R Ellenbogen, K Guskiewicz, J Patricios, S Herring Br J Sports Med 2017;51:870–871
The association between catechol o-methyltransferase (comt) rs4680 polymorphism, harm avoidance scores, and concussion history in rugby union players. S MC Fie, S Abrahams, J Patricios, J Suter, M Posthumus, AV September Br J Sports Med June 2017;51:e1
An association between polymorphisms within the APOE gene and concussion aetiology in rugby union players. S Abrahams, S Mc Fie, J Patricios, J Suter, M Posthumus ,AV September Journal of Science and Medicine in Sport 21(2018) 117-122.
Pre-Race Medical Screening and Educational Intervention Reduces Medical Complications: A SAFER Study in 153208 Runners   MP Schwellnus; K Schwabe; S Swanevelder; E Jordaan; W Derman Med Sci Sp Exerc Vol 49(5S) Suppl 1, May 2017, p 667.
The association between COMT rs4680 and 5-HTTLPR genotypes and concussion history in South African rugby union players.  S Mc Fie, S Abrahams, J Patricios, J Suter, M Posthumus, AV September Journal of Sports Sciences 2017, 36:8, 920-933
The influence of foot position on scrum kinetics during machine scrummaging.  Bayne, H
Resilient or reckless? Robust debate on risk and reward in sport.  Jon Patricios  Br J Sports Med 2017;51:1105
 
 
RESEARCH PUBLICATIONS 2016    
TITLE AUTHORS CITATION
The difference between exercise induced autonomic and fitness changes measured after 12 weeks and 20 weeks of medium to high intensity military training. C C Grant, L Mongwe, DC Janse Van Rensburg, L Fletcher, PS Wood, P du Toit, TC Grant  J Strength Cond Res 2016 Sep;30(9):2453-9
Clay-shoveler's fracture in a paddler: A case report. EC Olivier; E Muller, DC Janse van Rensburg Clin J Sport Med 2016 May;26(3):e69-70
Sudden cardiac arrest on the football field of play—highlights for sports medicine from  the European Resuscitation Council 2015 Consensus Guidelines. E B Kramer, L Serratosa, J Drezner, J Dvorak Br J Sports Med 2016;50:81-83
CPR 11: a mobile application that can help in saving lives (Mobile App User Guide). LJ Serratosa, EB Kramer, HD Pereira, J Dvorak, PL Ripoll Br J Sports Med 2016;0:1-2
The Epidemiology of Injuries in Football at the London 2012 Paralympic Games. N  Webborn, D Cushman. CA Blauwet, C Emery, W Derman, M Schwellnus, J Stomphorst, P Van de Vliet, SE Willick PM&R 2016 Jun;8(6):545-52
The epidemiology of injuries in powerlifting at the London 2012 Paralympic Games: An analysis of 1411 athlete-days. S. E Willick, D. M. Cushman, C. A. Blauwet, C. Emery, N. Webborn, W. Derman, M. Schwellnus, J. Stomphorst, P. Van de Vliet Scand J Med Sci Sports 2016: 26: 1233–1238
The risk of injuries in Paralympic Athletics differs by impairment and event discipline:  A prospective cohort study at the London 2012 Paralympic Games. Cheri A. Blauwet, Daniel Cushman, Carolyn Emery, Stuart E. Willick, Nick Webborn, Wayne Derman, Martin Schwellnus, Jaap Stomphorst, Peter Van de Vliet Am J Sports Med 2016 Jun;44(6):1455-62
The incidence and patterns of illness at the Sochi 2014 Winter Paralympic Games: a prospective cohort study of 6564 athlete days. W Derman, M P Schwellnus, E Jordaan, P Runciman, P Van de Vliet, C Blauwet, N Webborn, S Willick, J Stomphorst Br J Sports Med 2016;50:1064-1068
Is the content and duration of the graduated return to play protocol after concussion demanding enough? A challenge for Berlin 2016 S Kemp, J Patricios, M Raftery Br J Sports Med 2016;50:644–645
It is time to give concussion an operational definition: a 3-step process to diagnose (or rule out) concussion within 48 h of injury: World Rugby guideline. Martin Raftery, Simon Kemp, Jon Patricios, Michael Makdissi, Philippe Decq  Br  J  Sports Med Mar 3, 2016
International consensus statement on injury surveillance in cricket: a 2016 update.   John W Orchard, Craig Ranson, Benita Olivier, Mandeep Dhillon, Janine Gray, Ben Langley, Akshai Mansingh, Isabel S Moore, Ian Murphy, Jon Patricios, Thiagarajan Alwar, Christopher J Clark, Brett Harrop, Hussain I Khan, Alex Kountouris, Mairi Macphail, Stephen Mount, Anesu Mupotaringa, David Newman, Kieran O'Reilly, Nicholas Peirce, Sohail Saleem, Dayle Shackel, Richard Stretch, Caroline F Finch  Br J Sports Med. 2016;50:1245–1251
A prospective cohort study of 7031 distance runners shows that 1 in 13 report systemic symptoms of an acute illness in the 8-12 day period before a race, increasing their risk of not finishing the race 1.9 times for those runners who started the race: SAFER study IV.  Anri Van Tonder, Martin Schwellnus, Sonja Swanevelder, Esme Jordaan, Wayne Derman, Dina C Janse van Rensburg Br J Sports Med 2016, 50: 939-945
Tackles, tears and troubles… a South African Sports Medicine Association perspective.  Jon Patricios Br J Sports Med 2016;50:893
Repeatability and Reliability of Heart Rate Variability in Healthy, Adult Pony Mares.  E van Vollenhoven, CC Grant, Lizelle Fletcher, André Ganswindt, Patrick Collin Page Journal of Equine Veterinary Science 46 (2016) 73–81
Consensus statement: How much is too much? (Part 1) International Olympic Committee consensus statement on load in sport and risk of injury. Torbjørn Soligard, Martin Schwellnus, Juan-Manuel Alonso, Roald Bahr, Ben Clarsen, H. Paul Dijkstra, Tim Gabbett, Michael Gleeson, Martin Hägglund, Mark R. Hutchinson, Christa Janse van Rensburg, Karim M. Khan, Romain Meeusen, John W. Orchard, Babette M. Pluim, Martin Raftery, Richard Budgett, Lars Engebretsen Br J Sports Med 2016;50:1030–1041
Consensus statement: How much is too much? (Part 2) International Olympic Committee consensus statement on load in sport and risk of illness. Martin Schwellnus, Torbjørn Soligard, Juan-Manuel Alonso, Roald Bahr, Ben Clarsen, H Paul Dijkstra, Tim J. Gabbett, Michael Gleeson, Martin Hägglund, Mark R. Hutchinson, Christa Janse Van Rensburg, Karim Khan, Romain Meeusen, John W. Orchard, Babette M. Pluim, Martin Raftery, Richard Budgett, Lars Engebretsen Br J Sports Med 2016;50:1043–1052
High incidence of injury at the Sochi 2014 Winter Paralympic Games: a prospective cohort study of 6564 athlete days.  W Derman, M P Schwellnus, E Jordaan, P Runciman P Van de Vliet, C Blauwet, N Webborn, S Willick, J Stomphorst Br J Sports Med 2016;50: 1069–1074
Infographic. International Olympic Committee consensus statement on load in sport and risk of injury: how much is too much? T Soligard, M Schwellnus, JM Alonso  Br J Sports Med 2016;50:1042
Lumbar load in adolescent fast bowlers: A prospective injury study. Bayne, H., Elliott, B., Campbell, A., Alderson Journal of Science and Medicine in Sport 19 (2016) 117–122
 
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