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The laser ion source trap for highest isobaric selectivity in online exotic isotope production.

The Review of scientific instruments

Schwellnus F, Blaum K, Catherall R, Crepieux B, Fedosseev V, Gottwald T, Kluge HJ, Marsh B, Mattolat C, Rothe S, Stora T, Wendt K.
PMID: 20192370
Rev Sci Instrum. 2010 Feb;81(2):02A515. doi: 10.1063/1.3318259.

The improvement in the performance of a conventional laser ion source in the laser ion source and trap (LIST) project is presented, which envisages installation of a repeller electrode and a linear Paul trap/ion guide structure. This approach promises...

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Schwellnus F, Blaum K, Catherall R, et al. The laser ion source trap for highest isobaric selectivity in online exotic isotope production. Rev Sci Instrum. 2010;81(2):02A515doi: 10.1063/1.3318259.
Schwellnus, F., Blaum, K., Catherall, R., Crepieux, B., Fedosseev, V., Gottwald, T., Kluge, H. J., Marsh, B., Mattolat, C., Rothe, S., Stora, T., & Wendt, K. (2010). The laser ion source trap for highest isobaric selectivity in online exotic isotope production. The Review of scientific instruments, 81(2), 02A515. https://doi.org/10.1063/1.3318259
Schwellnus, F, et al. "The laser ion source trap for highest isobaric selectivity in online exotic isotope production." The Review of scientific instruments vol. 81,2 (2010): 02A515. doi: https://doi.org/10.1063/1.3318259
Schwellnus F, Blaum K, Catherall R, Crepieux B, Fedosseev V, Gottwald T, Kluge HJ, Marsh B, Mattolat C, Rothe S, Stora T, Wendt K. The laser ion source trap for highest isobaric selectivity in online exotic isotope production. Rev Sci Instrum. 2010 Feb;81(2):02A515. doi: 10.1063/1.3318259. PMID: 20192370.
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Acute respiratory illness and return to sport: a systematic review and meta-analysis by a subgroup of the IOC consensus on 'acute respiratory illness in the athlete'.

British journal of sports medicine

Snyders C, Pyne DB, Sewry N, Hull JH, Kaulback K, Schwellnus M.
PMID: 34789459
Br J Sports Med. 2021 Nov 17; doi: 10.1136/bjsports-2021-104719. Epub 2021 Nov 17.

OBJECTIVE: To determine the days until return to sport (RTS) after acute respiratory illness (ARill), frequency of time loss after ARill resulting in >1 day lost from training/competition, and symptom duration (days) of ARill in athletes.DESIGN: Systematic review and...

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Snyders C, Pyne DB, Sewry N, et al. Acute respiratory illness and return to sport: a systematic review and meta-analysis by a subgroup of the IOC consensus on 'acute respiratory illness in the athlete'. Br J Sports Med. 2021;doi: 10.1136/bjsports-2021-104719.
Snyders, C., Pyne, D. B., Sewry, N., Hull, J. H., Kaulback, K., & Schwellnus, M. (2021). Acute respiratory illness and return to sport: a systematic review and meta-analysis by a subgroup of the IOC consensus on 'acute respiratory illness in the athlete'. British journal of sports medicine, . https://doi.org/10.1136/bjsports-2021-104719
Snyders, Carolette, et al. "Acute respiratory illness and return to sport: a systematic review and meta-analysis by a subgroup of the IOC consensus on 'acute respiratory illness in the athlete'." British journal of sports medicine vol. (2021). doi: https://doi.org/10.1136/bjsports-2021-104719
Snyders C, Pyne DB, Sewry N, Hull JH, Kaulback K, Schwellnus M. Acute respiratory illness and return to sport: a systematic review and meta-analysis by a subgroup of the IOC consensus on 'acute respiratory illness in the athlete'. Br J Sports Med. 2021 Nov 17; doi: 10.1136/bjsports-2021-104719. Epub 2021 Nov 17. PMID: 34789459.
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Physiotherapy management of patients undergoing thoracotomy procedure: A survey of current practice in Gauteng.

The South African journal of physiotherapy

Schwellnus L, Roos R, Naidoo V.
PMID: 30135901
S Afr J Physiother. 2017 Aug 28;73(1):344. doi: 10.4102/sajp.v73i1.344. eCollection 2017.

BACKGROUND: Physiotherapy is included in the management of patients undergoing thoracic surgery. The aim of this study was to describe physiotherapy practice in the management of patients who undergo an open thoracotomy.METHODS: A cross-sectional study using convenience sampling was...

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Schwellnus L, Roos R, Naidoo V. Physiotherapy management of patients undergoing thoracotomy procedure: A survey of current practice in Gauteng. S Afr J Physiother. 2017;73(1):344doi: 10.4102/sajp.v73i1.344.
Schwellnus, L., Roos, R., & Naidoo, V. (2017). Physiotherapy management of patients undergoing thoracotomy procedure: A survey of current practice in Gauteng. The South African journal of physiotherapy, 73(1), 344. https://doi.org/10.4102/sajp.v73i1.344
Schwellnus, Liezel, et al. "Physiotherapy management of patients undergoing thoracotomy procedure: A survey of current practice in Gauteng." The South African journal of physiotherapy vol. 73,1 (2017): 344. doi: https://doi.org/10.4102/sajp.v73i1.344
Schwellnus L, Roos R, Naidoo V. Physiotherapy management of patients undergoing thoracotomy procedure: A survey of current practice in Gauteng. S Afr J Physiother. 2017 Aug 28;73(1):344. doi: 10.4102/sajp.v73i1.344. eCollection 2017. PMID: 30135901; PMCID: PMC6093126.
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The epidemiology of injury and illness at the Vitality Netball World Cup 2019: an observational study.

The Physician and sportsmedicine

Janse van Rensburg DC, Bryant G, Kearney S, Singh P, Devos A, Jansen van Rensburg A, Schwellnus MP, Botha T.
PMID: 34030597
Phys Sportsmed. 2021 Jun 07;1-10. doi: 10.1080/00913847.2021.1932632. Epub 2021 Jun 07.

No abstract available.

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Janse van Rensburg DC, Bryant G, Kearney S, et al. The epidemiology of injury and illness at the Vitality Netball World Cup 2019: an observational study. Phys Sportsmed. 2021;1-10doi: 10.1080/00913847.2021.1932632.
Janse van Rensburg, D. C., Bryant, G., Kearney, S., Singh, P., Devos, A., Jansen van Rensburg, A., Schwellnus, M. P., & Botha, T. (2021). The epidemiology of injury and illness at the Vitality Netball World Cup 2019: an observational study. The Physician and sportsmedicine, 1-10. https://doi.org/10.1080/00913847.2021.1932632
Janse van Rensburg, Dina Christa, et al. "The epidemiology of injury and illness at the Vitality Netball World Cup 2019: an observational study." The Physician and sportsmedicine vol. (2021): 1-10. doi: https://doi.org/10.1080/00913847.2021.1932632
Janse van Rensburg DC, Bryant G, Kearney S, Singh P, Devos A, Jansen van Rensburg A, Schwellnus MP, Botha T. The epidemiology of injury and illness at the Vitality Netball World Cup 2019: an observational study. Phys Sportsmed. 2021 Jun 07;1-10. doi: 10.1080/00913847.2021.1932632. Epub 2021 Jun 07. PMID: 34030597.
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Prevalence, Clinical Characteristics, and Self-Reported Treatment of Exercise-Associated Muscle Cramping Differ Between 21.1- and 56-Km Running Race Entrants-SAFER XXII.

Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine

de Jager I, Schwellnus M, Viljoen C, Korkie E, Sewry N, Swanevelder S, Jordaan E.
PMID: 34759185
Clin J Sport Med. 2021 Nov 10; doi: 10.1097/JSM.0000000000000992. Epub 2021 Nov 10.

OBJECTIVE: To determine whether the lifetime prevalence and clinical characteristics of exercise-associated muscle cramping (EAMC) differ between runners entering a 21.1- versus 56-km road race.DESIGN: Cross-sectional study.SETTING: The 2012 to 2015 Two Oceans Marathon races (21.1 and 56 km),...

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de Jager I, Schwellnus M, Viljoen C, et al. Prevalence, Clinical Characteristics, and Self-Reported Treatment of Exercise-Associated Muscle Cramping Differ Between 21.1- and 56-Km Running Race Entrants-SAFER XXII. Clin J Sport Med. 2021;doi: 10.1097/JSM.0000000000000992.
de Jager, I., Schwellnus, M., Viljoen, C., Korkie, E., Sewry, N., Swanevelder, S., & Jordaan, E. (2021). Prevalence, Clinical Characteristics, and Self-Reported Treatment of Exercise-Associated Muscle Cramping Differ Between 21.1- and 56-Km Running Race Entrants-SAFER XXII. Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine, . https://doi.org/10.1097/JSM.0000000000000992
de Jager, Izaan, et al. "Prevalence, Clinical Characteristics, and Self-Reported Treatment of Exercise-Associated Muscle Cramping Differ Between 21.1- and 56-Km Running Race Entrants-SAFER XXII." Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine vol. (2021). doi: https://doi.org/10.1097/JSM.0000000000000992
de Jager I, Schwellnus M, Viljoen C, Korkie E, Sewry N, Swanevelder S, Jordaan E. Prevalence, Clinical Characteristics, and Self-Reported Treatment of Exercise-Associated Muscle Cramping Differ Between 21.1- and 56-Km Running Race Entrants-SAFER XXII. Clin J Sport Med. 2021 Nov 10; doi: 10.1097/JSM.0000000000000992. Epub 2021 Nov 10. PMID: 34759185.
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Progress of ultra trace determination of technetium using laser resonance ionization mass spectrometry.

Analytical and bioanalytical chemistry

Wendt K, Geppert C, Mattolat C, Passler G, Raeder S, Schwellnus F, Wies K, Trautmann N.
PMID: 22890539
Anal Bioanal Chem. 2012 Nov;404(8):2173-6. doi: 10.1007/s00216-012-6309-8. Epub 2012 Aug 14.

Laser resonance ionization mass spectrometry (RIMS) represents one of the most sensitive and selective techniques for ultra trace determination of long-lived radioisotopes. The isotope (99g)Tc constitutes a specific candidate of high relevance concerning its environmental behavior as well as...

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Wendt K, Geppert C, Mattolat C, et al. Progress of ultra trace determination of technetium using laser resonance ionization mass spectrometry. Anal Bioanal Chem. 2012;404(8):2173-6doi: 10.1007/s00216-012-6309-8.
Wendt, K., Geppert, C., Mattolat, C., Passler, G., Raeder, S., Schwellnus, F., Wies, K., & Trautmann, N. (2012). Progress of ultra trace determination of technetium using laser resonance ionization mass spectrometry. Analytical and bioanalytical chemistry, 404(8), 2173-6. https://doi.org/10.1007/s00216-012-6309-8
Wendt, K, et al. "Progress of ultra trace determination of technetium using laser resonance ionization mass spectrometry." Analytical and bioanalytical chemistry vol. 404,8 (2012): 2173-6. doi: https://doi.org/10.1007/s00216-012-6309-8
Wendt K, Geppert C, Mattolat C, Passler G, Raeder S, Schwellnus F, Wies K, Trautmann N. Progress of ultra trace determination of technetium using laser resonance ionization mass spectrometry. Anal Bioanal Chem. 2012 Nov;404(8):2173-6. doi: 10.1007/s00216-012-6309-8. Epub 2012 Aug 14. PMID: 22890539.
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Medical Encounters in a 90-km Ultramarathon Running Event: A 6-year Study in 103 131 Race Starters-SAFER XVII.

Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine

Sewry N, Schwellnus M, Boulter J, Seocharan I, Jordaan E.
PMID: 34009788
Clin J Sport Med. 2021 May 07; doi: 10.1097/JSM.0000000000000939. Epub 2021 May 07.

OBJECTIVE: To determine the incidence and nature of illness-related medical encounters (MEs) at a 90-km, ultramarathon, mass, community-based, endurance running event.DESIGN: Retrospective, descriptive epidemiological study.SETTING: Comrades Marathon (90 km), South Africa.PARTICIPANTS: One lakh three thousand one hundred thirty-one race...

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Sewry N, Schwellnus M, Boulter J, et al. Medical Encounters in a 90-km Ultramarathon Running Event: A 6-year Study in 103 131 Race Starters-SAFER XVII. Clin J Sport Med. 2021;doi: 10.1097/JSM.0000000000000939.
Sewry, N., Schwellnus, M., Boulter, J., Seocharan, I., & Jordaan, E. (2021). Medical Encounters in a 90-km Ultramarathon Running Event: A 6-year Study in 103 131 Race Starters-SAFER XVII. Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine, . https://doi.org/10.1097/JSM.0000000000000939
Sewry, Nicola, et al. "Medical Encounters in a 90-km Ultramarathon Running Event: A 6-year Study in 103 131 Race Starters-SAFER XVII." Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine vol. (2021). doi: https://doi.org/10.1097/JSM.0000000000000939
Sewry N, Schwellnus M, Boulter J, Seocharan I, Jordaan E. Medical Encounters in a 90-km Ultramarathon Running Event: A 6-year Study in 103 131 Race Starters-SAFER XVII. Clin J Sport Med. 2021 May 07; doi: 10.1097/JSM.0000000000000939. Epub 2021 May 07. PMID: 34009788.
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Pre-race self-reported medical conditions and allergies in 133 641 Comrades ultramarathon (90km) runners - SAFER XXIII.

The Physician and sportsmedicine

Brill S, Schwellnus M, Sewry N, Janse Van Rensburg DC, Jansen Van Rensburg A, Jooste M, Leppan J, Boulter J, Seocharan I, Jordaan E.
PMID: 34751596
Phys Sportsmed. 2021 Nov 29;1-8. doi: 10.1080/00913847.2021.2004080. Epub 2021 Nov 29.

OBJECTIVES: To determine the prevalence of self-reported pre-race chronic medical conditions and allergies in ultramarathon race entrants and to explore if these are associated with an increased risk of race-day medical encounters (MEs).METHODS: Data from two voluntary open-ended pre-race...

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Brill S, Schwellnus M, Sewry N, et al. Pre-race self-reported medical conditions and allergies in 133 641 Comrades ultramarathon (90km) runners - SAFER XXIII. Phys Sportsmed. 2021;1-8doi: 10.1080/00913847.2021.2004080.
Brill, S., Schwellnus, M., Sewry, N., Janse Van Rensburg, D. C., Jansen Van Rensburg, A., Jooste, M., Leppan, J., Boulter, J., Seocharan, I., & Jordaan, E. (2021). Pre-race self-reported medical conditions and allergies in 133 641 Comrades ultramarathon (90km) runners - SAFER XXIII. The Physician and sportsmedicine, 1-8. https://doi.org/10.1080/00913847.2021.2004080
Brill, Stephan, et al. "Pre-race self-reported medical conditions and allergies in 133 641 Comrades ultramarathon (90km) runners - SAFER XXIII." The Physician and sportsmedicine vol. (2021): 1-8. doi: https://doi.org/10.1080/00913847.2021.2004080
Brill S, Schwellnus M, Sewry N, Janse Van Rensburg DC, Jansen Van Rensburg A, Jooste M, Leppan J, Boulter J, Seocharan I, Jordaan E. Pre-race self-reported medical conditions and allergies in 133 641 Comrades ultramarathon (90km) runners - SAFER XXIII. Phys Sportsmed. 2021 Nov 29;1-8. doi: 10.1080/00913847.2021.2004080. Epub 2021 Nov 29. PMID: 34751596.
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Predictors of multiple injuries in individual distance runners: A retrospective study of 75,401 entrants in 4 annual races-SAFER XX.

Journal of sport and health science

Swanevelder S, Sewry N, Schwellnus M, Jordaan E.
PMID: 34801747
J Sport Health Sci. 2021 Nov 18; doi: 10.1016/j.jshs.2021.11.002. Epub 2021 Nov 18.

BACKGROUND: There are limited data on factors that predict an increased risk of multiple injuries among distance runners. The objective of this study was to determine risk factors that are predictive of individual runners with a high annual multiple...

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Swanevelder S, Sewry N, Schwellnus M, et al. Predictors of multiple injuries in individual distance runners: A retrospective study of 75,401 entrants in 4 annual races-SAFER XX. J Sport Health Sci. 2021;doi: 10.1016/j.jshs.2021.11.002.
Swanevelder, S., Sewry, N., Schwellnus, M., & Jordaan, E. (2021). Predictors of multiple injuries in individual distance runners: A retrospective study of 75,401 entrants in 4 annual races-SAFER XX. Journal of sport and health science, . https://doi.org/10.1016/j.jshs.2021.11.002
Swanevelder, Sonja, et al. "Predictors of multiple injuries in individual distance runners: A retrospective study of 75,401 entrants in 4 annual races-SAFER XX." Journal of sport and health science vol. (2021). doi: https://doi.org/10.1016/j.jshs.2021.11.002
Swanevelder S, Sewry N, Schwellnus M, Jordaan E. Predictors of multiple injuries in individual distance runners: A retrospective study of 75,401 entrants in 4 annual races-SAFER XX. J Sport Health Sci. 2021 Nov 18; doi: 10.1016/j.jshs.2021.11.002. Epub 2021 Nov 18. PMID: 34801747.
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Infographic. International Olympic Committee consensus statement on load in sport and risk of injury: how much is too much?.

British journal of sports medicine

Soligard T, Schwellnus M, Alonso JM.
PMID: 27535990
Br J Sports Med. 2016 Sep;50(17):1042. doi: 10.1136/bjsports-2016-096583.

No abstract available.

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Soligard T, Schwellnus M, Alonso JM. Infographic. International Olympic Committee consensus statement on load in sport and risk of injury: how much is too much?. Br J Sports Med. 2016;50(17):1042doi: 10.1136/bjsports-2016-096583.
Soligard, T., Schwellnus, M., & Alonso, J. M. (2016). Infographic. International Olympic Committee consensus statement on load in sport and risk of injury: how much is too much?. British journal of sports medicine, 50(17), 1042. https://doi.org/10.1136/bjsports-2016-096583
Soligard, T, et al. "Infographic. International Olympic Committee consensus statement on load in sport and risk of injury: how much is too much?." British journal of sports medicine vol. 50,17 (2016): 1042. doi: https://doi.org/10.1136/bjsports-2016-096583
Soligard T, Schwellnus M, Alonso JM. Infographic. International Olympic Committee consensus statement on load in sport and risk of injury: how much is too much?. Br J Sports Med. 2016 Sep;50(17):1042. doi: 10.1136/bjsports-2016-096583. PMID: 27535990.
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Risk factors for not finishing an ultramarathon: 4-year study in 23996 race starters, SAFER XXI.

The Journal of sports medicine and physical fitness

Sewry N, Schwellnus M, Borjesson M, Swanevelder S, Jordaan E.
PMID: 33871241
J Sports Med Phys Fitness. 2021 Apr 19; doi: 10.23736/S0022-4707.21.12252-2. Epub 2021 Apr 19.

BACKGROUND: Limited data support pre-race medical screening to identify risk factors for not finishing an endurance running race. The aim of the study was to determine risk factors associated with not finishing an ultramarathon.METHODS: A prospective, cross-sectional study of...

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Sewry N, Schwellnus M, Borjesson M, et al. Risk factors for not finishing an ultramarathon: 4-year study in 23996 race starters, SAFER XXI. J Sports Med Phys Fitness. 2021;doi: 10.23736/S0022-4707.21.12252-2.
Sewry, N., Schwellnus, M., Borjesson, M., Swanevelder, S., & Jordaan, E. (2021). Risk factors for not finishing an ultramarathon: 4-year study in 23996 race starters, SAFER XXI. The Journal of sports medicine and physical fitness, . https://doi.org/10.23736/S0022-4707.21.12252-2
Sewry, Nicola, et al. "Risk factors for not finishing an ultramarathon: 4-year study in 23996 race starters, SAFER XXI." The Journal of sports medicine and physical fitness vol. (2021). doi: https://doi.org/10.23736/S0022-4707.21.12252-2
Sewry N, Schwellnus M, Borjesson M, Swanevelder S, Jordaan E. Risk factors for not finishing an ultramarathon: 4-year study in 23996 race starters, SAFER XXI. J Sports Med Phys Fitness. 2021 Apr 19; doi: 10.23736/S0022-4707.21.12252-2. Epub 2021 Apr 19. PMID: 33871241.
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Intravascular Hemolysis in Aerobic Dancing: The Role of Floor Surface and Type of Routine.

The Physician and sportsmedicine

Schwellnus MP, Penfold GK, Cilliers JF, Kuyl JM, van den Heever DP.
PMID: 27414221
Phys Sportsmed. 1989 Aug;17(8):55-67. doi: 10.1080/00913847.1989.11709845.

In brief: The effect of aerobic dancing on intravascular hemolysis was studied in 65 healthy women (aged 18 to 50 years) who were assigned to one of four groups according to the type of routine performed and the hardness...

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Schwellnus MP, Penfold GK, Cilliers JF, et al. Intravascular Hemolysis in Aerobic Dancing: The Role of Floor Surface and Type of Routine. Phys Sportsmed. 1989;17(8):55-67doi: 10.1080/00913847.1989.11709845.
Schwellnus, M. P., Penfold, G. K., Cilliers, J. F., Kuyl, J. M., & van den Heever, D. P. (1989). Intravascular Hemolysis in Aerobic Dancing: The Role of Floor Surface and Type of Routine. The Physician and sportsmedicine, 17(8), 55-67. https://doi.org/10.1080/00913847.1989.11709845
Schwellnus, M P, et al. "Intravascular Hemolysis in Aerobic Dancing: The Role of Floor Surface and Type of Routine." The Physician and sportsmedicine vol. 17,8 (1989): 55-67. doi: https://doi.org/10.1080/00913847.1989.11709845
Schwellnus MP, Penfold GK, Cilliers JF, Kuyl JM, van den Heever DP. Intravascular Hemolysis in Aerobic Dancing: The Role of Floor Surface and Type of Routine. Phys Sportsmed. 1989 Aug;17(8):55-67. doi: 10.1080/00913847.1989.11709845. PMID: 27414221.
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