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Publications (10 of 82) Show all publications
Stålman, C., Nilsson, J., Ryhed, A., Godhe, M. & Andersson, E. (2019). A novel aerobic test, 5-minute-pyramid-test, useful in school to monitor VO2max. In: AISEP International Conference 2019 Book of abstracts: . Paper presented at AIESEP International Conference June 19-22, 2019, New York (International Association for Physical Education in Higher Education) (pp. 402).
Open this publication in new window or tab >>A novel aerobic test, 5-minute-pyramid-test, useful in school to monitor VO2max
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2019 (English)In: AISEP International Conference 2019 Book of abstracts, 2019, p. 402-Conference paper, Oral presentation with published abstract (Other academic)
National Category
Sport and Fitness Sciences
Research subject
Medicine/Technology
Identifiers
urn:nbn:se:gih:diva-5843 (URN)
Conference
AIESEP International Conference June 19-22, 2019, New York (International Association for Physical Education in Higher Education)
Available from: 2019-09-18 Created: 2019-09-18 Last updated: 2019-09-18Bibliographically approved
Carlsson, M., Nilsson, J., Hellström, J., Tinmark, F. & Carlsson, T. (2019). The effect of ball temperature on ball speed and carry distance in golf drives. Proceedings of the Institution of Mechanical Engineers, Part P: Journal of Sports Engineering and Technology, 233(2), 186-192
Open this publication in new window or tab >>The effect of ball temperature on ball speed and carry distance in golf drives
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2019 (English)In: Proceedings of the Institution of Mechanical Engineers, Part P: Journal of Sports Engineering and Technology, ISSN 1754-3371, Vol. 233, no 2, p. 186-192Article in journal (Refereed) Published
Abstract [en]

The purpose of this study was to investigate the effect of ball temperature on impact ball speed and carry distance during golf drives in a blind randomized test design. The balls were exposed to a temperature-controlled environment (4?°C, 18?°C, 32?°C, and 46?°C) for 24?h prior to the test and each temperature group consisted of 30 balls. The 120 drives were performed by an elite male golfer (handicap: 0.0) in an indoor driving range. All drives were measured by a Doppler-radar system to determine the club-head speed, launch angle, spin rate, ball speed, and carry distance. Differences between the groups were investigated using a one-way analysis of variance. The results indicated that ball-speed and carry-distance differences occurred within the four groups (p?<?0.001 and p?<?0.01, respectively). The post hoc analyses showed that the ball temperatures of 18?°C and 32?°C had greater ball speeds and carry distances than balls at 4?°C and 46?°C (all p?<?0.05). The intervals for the between-group differences were 0.6?0.7?m?s?1 and 2.9?3.9?m for ball speed and carry distance, respectively. Hence, the results showed that ball temperature influences both the ball speed and the carry distance. Based on the findings in this study, standardization of ball temperature should be factored into governing body regulation tests for golf equipment.

Place, publisher, year, edition, pages
SAGE Publications, 2019
Keywords
Golf ball, club-head speed, carry distance, ball speed, ball temperature, launch angle, spin rate, Doppler radar
National Category
Sport and Fitness Sciences
Research subject
Medicine/Technology
Identifiers
urn:nbn:se:gih:diva-5489 (URN)10.1177/1754337118812618 (DOI)000469879800002 ()
Available from: 2018-12-07 Created: 2018-12-07 Last updated: 2019-08-13Bibliographically approved
Nilsson, J., Gürsoy, A. & Hermanson, A. (2018). DEVELOPMENT OF NONVISUAL SENSORY SKILL IN FOOTBALL. LASE Journal of Sport Science, 9(2), 3-16
Open this publication in new window or tab >>DEVELOPMENT OF NONVISUAL SENSORY SKILL IN FOOTBALL
2018 (English)In: LASE Journal of Sport Science, ISSN 1691-7669, Vol. 9, no 2, p. 3-16Article in journal (Refereed) Published
Abstract [en]

The purpose was to study if young football players can develop theirnonvisual sensory performance, here defined as control of the ball withoutvisual feedback. In total 20 elite male football players participated in thestudy. Their mean age (±SD) was 12.1 (±0.5) years. The participants weredivided into an intervention group (n=12) and a control group (n=8). Theselection of players was based on performance in the non-visual slalom pretest. The study followed a pre- post-test design in which the interventiongroup practiced ball control without visual feedback (nonvisual sensorytraining) three times 30 minutes per week over four weeks as part of theirnormal training. The control group exercised conventional football trainingwith full vision for the same amount of time. The pre- and post-test consistedof two sub-tests performed with and without visual control: 1) a stationaryball control test and 2) a slalom course ball drive test. The results show asignificant improvement in the intervention group in both the stationary ballcontrol test (p<0.001 and Effect Size (ES)=1.59) and in the slalom balldrive test (p<0.004 and ES=1.09). The control group showed no significantchanges in performance between the pre- and post-test.

Conclusion. Nonvisual sensory skill can be significantly improved in12 training sessions of 30 minutes each in young elite male football players.

Place, publisher, year, edition, pages
Latvian Academy of Sport Education in Riga, Latvia, 2018
Keywords
nonvisual sensory skill, football, ball control, performance
National Category
Sport and Fitness Sciences
Research subject
Medicine/Technology
Identifiers
urn:nbn:se:gih:diva-5519 (URN)10.2478/ljss-2018-0007 (DOI)
Available from: 2019-01-07 Created: 2019-01-07 Last updated: 2019-01-07
Carlsson, T., Nilsson, J., Hellström, J., Tinmark, F. & Carlsson, M. (2018). The effect of ball temperature on ball speed and carry distance in golf drives. In: : . Paper presented at 23rd annual Congress of the European College of Sport Science, Dublin 4-7 July 2018.
Open this publication in new window or tab >>The effect of ball temperature on ball speed and carry distance in golf drives
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2018 (English)Conference paper, Poster (with or without abstract) (Other academic)
Abstract [en]

THE EFFECT OF BALL TEMPERATURE ON BALL SPEED AND CARRY DISTANCE IN GOLF DRIVES Carlsson, T.1, Nilsson, J.1,2, Hellström, J.3, Tinmark, F.2, Carlsson, M.1. 1: Dalarna University (Falun, Sweden), 2: The Swedish School of Sport and Health Sciences (Stockholm, Sweden), 3: The Swedish Golf Federation (Stockholm, Sweden). 

Introduction

Previously it was reported that golf-ball temperature has influence on the golf balls’ coefficient of restitution, impact duration, and maximal deformation (Allen et al., 2012). They concluded that their research was the first step in a process for determining the effect of temperature on a golf drive. However, how large influence the golf-ball temperature has on golf drives remains to be investigated. The purpose was to investigate the effect of ball temperature on impact ball speed and carry distance during golf drives in a blind randomized test design. 

Methods

The balls were exposed to a temperature-controlled environment (4°C, 18°C, 32°C, and 46°C) for twenty-four hours prior to the test, and each of the four different ball-temperature groups consisted of 30 balls. The 120 drives were performed by an elite male golfer (handicap: 0.0) in an indoor driving range. All drives were measured by a Doppler-radar system to determine club-head speed, launch angle, spin rate, ball speed, and carry distance. Differences between the four ball-temperature groups were investigate using a one-way analysis of variance. 

Results

The results indicate that there are ball-speed and carry-distance differences within the four ball-temperature groups (P &lt; 0.001 and P &lt; 0.01, respectively). The post-hoc analyses showed that the ball temperatures 18°C and 32°C had both greater ball speeds and carry distances compared to the balls in the ball-temperature groups 4°C and 46°C (all P &lt; 0.05); the intervals for the between-group differences were 2.0 to 2.4 km/h and 2.9 to 3.9 m for ball speed and carry distance, respectively.

Conclusion

The novel results of the current study show that the ball’s temperature has a significant effect on the ball speed after club-head impact and carry distance for drives performed by an elite golfer. The ball temperatures 18°C and 32°C gave significantly increased ball speeds and carry distances compared to the ball-temperature groups 4°C and 46°C. This knowledge could be used to maximise the carry distance and/or to minimise the carry-distance variability related to ball temperature.

REFERENCES: Allen T, Bowley A, Wood P, Henrikson E, Morales E, James D. (2012) Procedia Eng, 34, 634-639.

National Category
Sport and Fitness Sciences
Research subject
Medicine/Technology
Identifiers
urn:nbn:se:gih:diva-5289 (URN)
Conference
23rd annual Congress of the European College of Sport Science, Dublin 4-7 July 2018
Available from: 2018-06-07 Created: 2018-06-07 Last updated: 2018-06-07Bibliographically approved
Quennerstedt, M., Gibbs, B., Almqvist, J., Nilsson, J. & Winther, H. (2016). Beatrice: dance video games as a resource for teaching dance. In: Ashley Casey, Victoria A. Goodyear, Kathleen M. Armour (Ed.), Digital technologies and learning in physical education: pedagogical cases (pp. 69-85). Routledge
Open this publication in new window or tab >>Beatrice: dance video games as a resource for teaching dance
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2016 (English)In: Digital technologies and learning in physical education: pedagogical cases / [ed] Ashley Casey, Victoria A. Goodyear, Kathleen M. Armour, Routledge, 2016, p. 69-85Chapter in book (Other academic)
Place, publisher, year, edition, pages
Routledge, 2016
National Category
Educational Sciences
Research subject
Social Sciences/Humanities
Identifiers
urn:nbn:se:gih:diva-4642 (URN)9781138947290 (ISBN)
Available from: 2016-11-16 Created: 2016-11-16 Last updated: 2016-11-30Bibliographically approved
Nilsson, J. E. & Rosdahl, H. G. (2016). Contribution of Leg Muscle Forces to Paddle Force and Kayak Speed During Maximal Effort Flat-Water Paddling.. International Journal of Sports Physiology and Performance, 11(1), 22-27
Open this publication in new window or tab >>Contribution of Leg Muscle Forces to Paddle Force and Kayak Speed During Maximal Effort Flat-Water Paddling.
2016 (English)In: International Journal of Sports Physiology and Performance, ISSN 1555-0265, E-ISSN 1555-0273, Vol. 11, no 1, p. 22-27Article in journal (Refereed) Published
Abstract [en]

The purpose was to investigate the contribution of leg-muscle-generated forces to paddle force and kayak speed during maximal-effort flat-water paddling. Five elite male kayakers at national and international level participated. The participants warmed up at progressively increasing speeds and then performed a maximal-effort, non-restricted, paddling sequence. This was followed after five minutes' rest by a maximal-effort paddling sequence with the leg action restricted i.e. the knee joints "locked". Left- and right-side foot-bar and paddle forces were recorded with specially designed force devices. In addition, knee angular displacement of the right and left knee was recorded with electrogoniometric technique and the kayak speed was calculated from GPS signals sampled at 5Hz. The results showed that reduction in both push and pull foot-bar forces resulted in a reduction of 21% and 16% in mean paddle stroke force and kayak mean speed, respectively. Thus, the contribution of foot-bar force from lower limb action significantly contributes to the kayakers paddling performance.

National Category
Sport and Fitness Sciences
Research subject
Medicine/Technology
Identifiers
urn:nbn:se:gih:diva-3813 (URN)10.1123/ijspp.2014-0030 (DOI)000368569800005 ()25849289 (PubMedID)
Available from: 2015-05-18 Created: 2015-05-18 Last updated: 2017-12-04Bibliographically approved
Nilsson, J. & Cardinale, D. (2015). Aerobic and anaerobic test performance among elite male football players in different team positions. LASE Journal of Sport Science, 6(2), 73-92
Open this publication in new window or tab >>Aerobic and anaerobic test performance among elite male football players in different team positions
2015 (English)In: LASE Journal of Sport Science, ISSN 1691-7669, E-ISSN 1691-9912, Vol. 6, no 2, p. 73-92Article in journal (Refereed) Published
Abstract [en]

The purpose was to determine the magnitude of aerobic and anaerobic performance factors among elite male football players in different team positions. Thirty-nine players from the highest Swedish division classified as defenders (n=18), midfield players (n=12) or attackers (n=9) participated. Their mean (± sd) age, height and body mass (bm) were 24.4 (±4.7) years, 1.80 (±5.9)m and 79 (±7.6)kg, respectively. Running economy (RE) and anaerobic threshold (AT) was determined at 10, 12, 14, and 16km/h followed by tests of maximal oxygen uptake (VO2max). Maximal strength (1RM) and average power output (AP) was performed in squat lifting. Squat jump (SJ), counter-movement jump with free arm swing (CMJa), 45m maximal sprint and the Wingate test was performed. Average VO2max for the whole population (WP) was 57.0mL O2•kg-1min-1. The average AT occurred at about 84% of VO2max. 1RM per kg bm0.67 was 11.9±1.3kg. Average squat power in the whole population at 40% 1RM was 70±9.5W per kg bm0.67. SJ and CMJa were 38.6±3.8cm and 48.9±4.4cm, respectively. The average sprint time (45m) was 5.78± 0.16s. The AP in the Wingate test was 10.6±0.9W•kg-1. The average maximal oxygen uptake among players in the highest Swedish division was lower compared to international elite players but the Swedish players were better off concerning the anaerobic threshold and in the anaerobic tests. No significant differences were revealed between defenders, midfielders or attackers concerning the tested parameters presented above.

Place, publisher, year, edition, pages
Riga: Latvian Academy of Sport Education in Riga, Latvia, 2015
Keywords
football, physical performance, plays position
National Category
Sport and Fitness Sciences
Research subject
Medicine/Technology
Identifiers
urn:nbn:se:gih:diva-4292 (URN)10.1515/ljss-2016-0007 (DOI)
Available from: 2016-01-18 Created: 2016-01-18 Last updated: 2017-11-30Bibliographically approved
Rosdahl, H. & Nilsson, J. (2015). Contribution of leg muscle forces to paddle stroke force and kayak speed during maximal effort flat-water paddling among elite kayakers. In: Book of abstracts: 20th annual Congress of the European College of Sport Science, ECSS Malmö 2015: . Paper presented at 20th Annual Congress of the European College of Sport Science, ECSS, Malmö 24-27 June 2015 (pp. 318-319).
Open this publication in new window or tab >>Contribution of leg muscle forces to paddle stroke force and kayak speed during maximal effort flat-water paddling among elite kayakers
2015 (English)In: Book of abstracts: 20th annual Congress of the European College of Sport Science, ECSS Malmö 2015, 2015, p. 318-319Conference paper, Oral presentation with published abstract (Other academic)
Keywords
kayaking, elite, leg work
National Category
Medical and Health Sciences
Research subject
Medicine/Technology
Identifiers
urn:nbn:se:gih:diva-4205 (URN)
Conference
20th Annual Congress of the European College of Sport Science, ECSS, Malmö 24-27 June 2015
Funder
Swedish National Centre for Research in Sports
Available from: 2015-11-10 Created: 2015-11-10 Last updated: 2017-03-01Bibliographically approved
Gjerset, A., Nilsson, J., Wulf Helge, J. & Enoksen, E. (2015). Idrettens treningslære (2ed.). Oslo: Gyldendal Norsk Forlag A/S
Open this publication in new window or tab >>Idrettens treningslære
2015 (Norwegian)Book (Other (popular science, discussion, etc.))
Abstract [no]

Den nye utgaven av Idrettens treningslære viser hvordan vi kan påvirke og utvikle en idrettsutøvers egenskaper og ferdigheter i gunstig retning.

Boka omhandler først og fremst grunnleggende forhold ved trening som er felles for ulike idretter og målgrupper. I mange sammenhenger går boka også nærmere inn på mer spesifikke forhold ved treningen i forskjellige idretter. Særlig vektlegges

  • utvikling av egenskaper og ferdigheter som danner grunnlaget for den idrettslige prestasjonsevnen
  • planlegging, gjennomføring, dokumentasjon, analyse og evaluering av trening
  • fysiologiske, psykologiske og andre faktorer som er viktig for prestasjonen
  • belastning og tilpasning i forbindelse med trening
  • fysisk, motorisk, psykisk og sosial utvikling

En treningslære som fungerer godt, hviler på både praktisk erfaring og bred analytisk tilnærming, og vitenskapelig dokumentasjon er en viktig del av dette. I denne boka kombineres derfor disse tilnærmingene.  

Idrettens treningslære er skrevet for undervisning på universitets- og høgskolenivå, og for utdanningen av trenere i treningsbransjen og i idretten generelt. Boken har blitt til gjennom et samarbeid mellom treningsmiljøer i Norge, Sverige og Danmark. 17 forfattere har bidratt med sin kompetanse på sine fagfelt.

(Information från förlaget)

Place, publisher, year, edition, pages
Oslo: Gyldendal Norsk Forlag A/S, 2015. p. 640 Edition: 2
National Category
Sport and Fitness Sciences
Research subject
Medicine/Technology
Identifiers
urn:nbn:se:gih:diva-4293 (URN)9788205391949 (ISBN)
Available from: 2016-01-18 Created: 2016-01-18 Last updated: 2016-11-17Bibliographically approved
Nilsson, J. & Fredriksson, M. (2015). Peak Oxygen Uptake And Muscle Power Can Be Simultaneously Improved With Hybrid Training. LASE Journal of Sport Science, 6(1), 3-15
Open this publication in new window or tab >>Peak Oxygen Uptake And Muscle Power Can Be Simultaneously Improved With Hybrid Training
2015 (English)In: LASE Journal of Sport Science, ISSN 1691-9912, Vol. 6, no 1, p. 3-15Article in journal (Refereed) Published
Abstract [en]

The purpose was to investigate the effects of simultaneous endurance and strength training repeatedly performed in the same training sessions (hybrid training). Twenty-six habitually active female physical-education students took part in the study. They were assigned to a hybrid training group (HT) or one of two control groups (CON1; only endurance training and CON2; maintained their normal training regimen). In a pre- and post-test training design all the subjects were tested before and after the intervention period concerning peak oxygen uptake while pedalling on a cycle ergometer and power output in a progressive cycle ergometer pedalling power/strength test. The HT intervention group and the CON1 group trained three times per week for five weeks, while the CON2 group did not change their normal training regimen. The HT group used a pre-programmed cycle ergometer to pedal at a mean oxygen uptake of 70-75% VO2peak for 30 minutes, but the training time was divided into 60 intermittent work periods (6 seconds) at a very high relative intensity (approximately 190 % of VO2peak) interspersed with low-intensity work periods (24 seconds) at about 45% of VO2peak. The CON1 group trained at the same mean oxygen uptake level as the HT group but during 30 minutes continuous training. The HT group significantly increased VO2peak and muscle power performance. The CON1 group increased VO2peak significantly but not power/strength. The CON2 group did not change significantly in the parameters studied. Thus, it can be concluded that in-session hybrid training allows simultaneous significant improvements of both VO2peak and muscle power performance during cycle ergometer pedalling.

Place, publisher, year, edition, pages
Latvian Academy of Sport Education, 2015
Keywords
Aerobic power, muscle power, concurrent training, cycle ergometer
National Category
Sport and Fitness Sciences
Research subject
Medicine/Technology
Identifiers
urn:nbn:se:gih:diva-3985 (URN)
Available from: 2015-08-07 Created: 2015-08-07 Last updated: 2016-11-17Bibliographically approved
Organisations
Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0002-3612-449X

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