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Carlsson, Magnus
Publications (8 of 8) Show all publications
Carlsson, M., Isberg, J., Nilsson, J. & Carlsson, T. (2019). The acute effects of a short technique-intense training period on side-foot kick performance among elite female soccer players. Journal of Sports Medicine and Physical Fitness, 59(9), 1442-1449
Open this publication in new window or tab >>The acute effects of a short technique-intense training period on side-foot kick performance among elite female soccer players
2019 (English)In: Journal of Sports Medicine and Physical Fitness, ISSN 0022-4707, E-ISSN 1827-1928, Vol. 59, no 9, p. 1442-1449Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: Previously, it was shown that elite soccer teams were 24% more likely to win matches if their passing effectiveness were increased by 1%. However, research interventions aiming to improve passing performance are scarce. The current study aimed to investigate the effect of a short technique-intense training period on side-foot kick performance among elite female soccer players.

METHODS: Four side-foot kick tests were completed before and after a training period: kicking a stationary ball using match-relevant (SBRS) and maximal ball speed (SBMS), passing the ball on the move using match-relevant ball speed (RBRS), and repeated side-foot kicks onto a rebound-box with continuously increasing passing distance (RRB). The players were assigned to either the intervention group or the control group. The training intervention consisted of six 55-min training sessions with five side-foot kick exercises. Within-group and between-group differences were investigated using paired-samples t-test and Mann-Whitney U test, respectively.

RESULTS: The intervention group improved the performance in the RBRS and RRB tests (both P < 0.05), but no differences were found for the SBRS and SBMS tests (both P > 0.05). No improvements were found for the control group independent of test condition (all P > 0.05). Significant between-group differences were found for the RBRS and RRB tests (both P < 0.05), whereas no differences were found for the SBRS and SBMS tests (both P > 0.05).

CONCLUSIONS: The fundamental soccer skill of passing a moving ball was improved in elite female soccer players by a short technique-intense training period.

National Category
Sport and Fitness Sciences
Research subject
Health and Welfare; Health and Welfare
Identifiers
urn:nbn:se:du-29527 (URN)10.23736/S0022-4707.19.09449-0 (DOI)000490249900002 ()30761813 (PubMedID)2-s2.0-85073175864 (Scopus ID)
Available from: 2019-02-19 Created: 2019-02-19 Last updated: 2019-10-31Bibliographically 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.

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
Health and Welfare
Identifiers
urn:nbn:se:du-28803 (URN)10.1177/1754337118812618 (DOI)000469879800002 ()2-s2.0-85059043849 (Scopus ID)
Available from: 2018-10-20 Created: 2018-10-20 Last updated: 2019-06-20Bibliographically approved
Isberg, J., Carlsson, M., Nilsson, J. & Carlsson, T. (2018). Effekten av en träningsintervention avseende kvinnliga elitfotbollsspelares bredsidespassningsprecision och deras uppfattning om sin tekniska färdighet. In: : . Paper presented at Swedish Behavioural and Social Science Sport Research (SVEBI) annual conference in Falun, Sweden, 21-22 November, 2018.
Open this publication in new window or tab >>Effekten av en träningsintervention avseende kvinnliga elitfotbollsspelares bredsidespassningsprecision och deras uppfattning om sin tekniska färdighet
2018 (Swedish)Conference paper, Oral presentation with published abstract (Refereed)
National Category
Sport and Fitness Sciences
Research subject
Health and Welfare
Identifiers
urn:nbn:se:du-29663 (URN)
Conference
Swedish Behavioural and Social Science Sport Research (SVEBI) annual conference in Falun, Sweden, 21-22 November, 2018
Available from: 2019-03-17 Created: 2019-03-17 Last updated: 2019-03-18Bibliographically approved
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) (Refereed)
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 < 0.001 and P < 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 < 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
Health and Welfare
Identifiers
urn:nbn:se:du-27742 (URN)
Conference
23rd annual Congress of the European College of Sport Science, Dublin 4-7 July 2018
Available from: 2018-05-31 Created: 2018-05-31 Last updated: 2018-06-13Bibliographically approved
Carlsson, M., Isberg, J., Nilsson, J. & Carlsson, T. (2018). The effect of training on side foot-kick performance among swedish first league women´s soccer players. 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 training on side foot-kick performance among swedish first league women´s soccer players
2018 (English)Conference paper, Poster (with or without abstract) (Refereed)
Abstract [en]

THE EFFECT OF TRAINING ON SIDE FOOT-KICK PERFORMANCE AMONG SWEDISH FIRST LEAGUE WOMEN’S SOCCER PLAYERS

Carlsson, M.1, Isberg, J.1, Nilsson, J.1, Carlsson, T.1 1: Dalarna University (Falun, Sweden)

Introduction

A high completion rate for passes is important for success in soccer, because longer passing sequences are related to more scored goals (Hughes & Franks, 2005). In a recent study, it was found that female players had a lower pass-completion rate than male players at the highest competitive standard of European soccer, which suggests that elite female players in general do not have the same technical characteristics as elite male players (Paul S. Bradley et al., 2014). The purpose of the study was investigate the effect of a 2-week training intervention on side foot-kick performance among Swedish first league women’s soccer players.

 Methods

To investigate the effect of training on side foot-kick performance, a pre-post-intervention study was implemented where four side foot-kick tests were performed before and after a 2-week training period. The side foot-kick accuracy were investigated when kicking a stationary ball using match-relevant ball speed (SBRS) and maximal ball speed (SBMS) as well as subsequent to a 5-m run with the ball from different approach angles (0°, 30°, and 60°) to a predetermined position, where passing of the ball on the move was executed using match-relevant ball speed (RBRS). The fourth test comprised repeated side-foot kicks onto a rebound-box with continuously increasing passing distance (RRB).

Based on the results from the pre-tests, the players were assigned to either the intervention group (INT) or the control group (CON). The training intervention consisted of six 55-min training sessions. In each session, two rounds of five exercises focusing on improvement of side foot-kick accuracy were executed. Within-group and between-group differences were investigated using paired samples Student’s t-tests and Mann-Whitney U tests, respectively.

Results

Prior to the training intervention, there were no significant differences between the groups for any of the investigated test variables. The INT group improved RBRS (P = 0.036) and RRB (P = 0.010) during the training intervention, whereas no significant within-group changes were found for either SBRS or SBMS (both P > 0.05). No within-group differences were found for any of the test variables in the CON group (all P > 0.05). Significant between-group differences were found for RBRS (P = 0.040) and RRB (P = 0.005), whereas no differences were found for either SBRS or SBMS (both P > 0.05).

Conclusion

The fundamental soccer skill of passing a moving ball could be improved in elite women players by a 2-week training period focusing on improving   side foot-kick performance.

References

Bradley PS, Carling C, Diaz AG, Hood P, Barnes C, Ade J, Boddy M, Krustrup P, Mohr M (2013) Hum Mov Sci, 32, 808-821.

Hughes M, Franks I (2005) J Sports Sci, 23, 509-514.

National Category
Sport and Fitness Sciences
Research subject
Health and Welfare
Identifiers
urn:nbn:se:du-27743 (URN)
Conference
23rd annual Congress of the European College of Sport Science, Dublin 4-7 July 2018
Available from: 2018-05-31 Created: 2018-05-31 Last updated: 2018-05-31Bibliographically approved
Carlsson, T., Isberg, J., Nilsson, J. & Carlsson, M. (2018). The influence of task conditions on side foot-kick accuracy among swedish first league women’s soccer players. Journal of Sports Science and Medicine (JSSM), 17(1), 74-81
Open this publication in new window or tab >>The influence of task conditions on side foot-kick accuracy among swedish first league women’s soccer players
2018 (English)In: Journal of Sports Science and Medicine (JSSM), ISSN 1303-2968, Vol. 17, no 1, p. 74-81Article in journal (Refereed) Published
National Category
Health Sciences
Research subject
Health and Welfare
Identifiers
urn:nbn:se:du-27403 (URN)000425786500009 ()2-s2.0-85042639268 (Scopus ID)
Note

Open Access APC beslut 8/2018

Available from: 2018-03-14 Created: 2018-03-14 Last updated: 2018-05-21Bibliographically approved
Carlsson, T., Wedholm, L., Nilsson, J. & Carlsson, M. (2017). The effects of strength training versus ski-ergometer training on double-poling capacity of elite junior cross-country skiers. European Journal of Applied Physiology, 117(8), 1523-1532
Open this publication in new window or tab >>The effects of strength training versus ski-ergometer training on double-poling capacity of elite junior cross-country skiers
2017 (English)In: European Journal of Applied Physiology, ISSN 1439-6319, E-ISSN 1439-6327, Vol. 117, no 8, p. 1523-1532Article in journal (Refereed) Published
Abstract [en]

Purpose

To compare the effects of strength training versus ski-ergometer training on double-poling gross efficiency (GE), maximal speed (Vmax), peak oxygen uptake (V&#x02D9;O2peak" role="presentation" style="box-sizing: border-box; display: inline-table; line-height: normal; letter-spacing: normal; word-spacing: normal; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding: 0px; margin: 0px; position: relative;">V˙O2peakV˙O2peak) for elite male and female junior cross-country skiers.

Methods

Thirty-three elite junior cross-country skiers completed a 6-week training-intervention period with two additional 40-min training sessions per week. The participants were matched in pairs and within each pair randomly assigned to either a strength-training group (STR) or a ski-ergometer-training group (ERG). Before and after the intervention, the participants completed three treadmill roller-skiing tests to determine GE, Vmax, and V&#x02D9;O2peak" role="presentation" style="box-sizing: border-box; display: inline-table; line-height: normal; letter-spacing: normal; word-spacing: normal; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding: 0px; margin: 0px; position: relative;">V˙O2peakV˙O2peak. Mixed between-within subjects analysis of variance (ANOVA) was conducted to evaluate differences between and within groups. Paired samples t tests were used as post hoc tests to investigate within-group differences.

Results

Both groups improved their Vmax and V&#x02D9;O2peak" role="presentation" style="box-sizing: border-box; display: inline-table; line-height: normal; letter-spacing: normal; word-spacing: normal; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding: 0px; margin: 0px; position: relative;">V˙O2peakV˙O2peak expressed absolutely (all P < 0.01). For the gender-specific sub-groups, it was found that the female skiers in both groups improved both Vmax and V&#x02D9;O2peak" role="presentation" style="box-sizing: border-box; display: inline-table; line-height: normal; letter-spacing: normal; word-spacing: normal; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding: 0px; margin: 0px; position: relative;">V˙O2peakV˙O2peak expressed absolutely (all P < 0.05), whereas the only within-group differences found for the men were improvements of Vmax in the STR group. No between-group differences were found for any of the investigated variables.

Conclusions

Physiological and performance-related variables of importance for skiers were improved for both training regimes. The results demonstrate that the female skiers’ physiological adaptations to training, in general, were greater than those of the men. The magnitude of the physiological adaptations was similar for both training regimes.

Keywords
Cross-country skiing; VO2peak; double polnig; gross efficiency; maximal speed; gendeer differences
National Category
Sport and Fitness Sciences
Research subject
Health and Welfare
Identifiers
urn:nbn:se:du-25100 (URN)10.1007/s00421-017-3621-1 (DOI)000407726800001 ()28597103 (PubMedID)
Available from: 2017-06-05 Created: 2017-06-05 Last updated: 2018-04-24Bibliographically approved
Carlsson, T., Tonkonogi, M. & Carlsson, M. (2016). Aerobic power and lean mass are indicators of competitive sprint performance among elite female cross-country skiers. Open Access Journal of Sports Medicine, 7, 153-160
Open this publication in new window or tab >>Aerobic power and lean mass are indicators of competitive sprint performance among elite female cross-country skiers
2016 (English)In: Open Access Journal of Sports Medicine, ISSN 1179-1543, E-ISSN 1179-1543, Vol. 7, p. 153-160Article in journal (Refereed) Published
Abstract [en]

The purpose of this study was to establish the optimal allometric models to predict International Ski Federation’s ski-ranking points for sprint competitions (FISsprint) among elite female cross-country skiers based on maximal oxygen uptake (V̇O2max) and lean mass (LM). Ten elite female cross-country skiers (age: 24.5±2.8 years [mean ± SD]) completed a treadmill roller-skiing test to determine V̇O2max (ie, aerobic power) using the diagonal stride technique, whereas LM (ie, a surrogate indicator of anaerobic capacity) was determined by dual-emission X-ray anthropometry. The subjects’ FISsprint were used as competitive performance measures. Power function modeling was used to predict the skiers’ FISsprint based on V̇O2max, LM, and body mass. The subjects’ test and performance data were as follows: V̇O2max, 4.0±0.3 L min-1; LM, 48.9±4.4 kg; body mass, 64.0±5.2 kg; and FISsprint, 116.4±59.6 points. The following power function models were established for the prediction of FISsprint: 3.91×105 ∙ VO -6.002maxand 6.95×1010 ∙ LM-5.25; these models explained 66% (P=0.0043) and 52% (P=0.019), respectively, of the variance in the FISsprint. Body mass failed to contribute to both models; hence, the models are based on V̇O2max and LM expressed absolutely. The results demonstrate that the physiological variables that reflect aerobic power and anaerobic capacity are important indicators of competitive sprint performance among elite female skiers. To accurately indicate performance capability among elite female skiers, the presented power function models should be used. Skiers whose V̇O2max differs by 1% will differ in their FISsprint by 5.8%, whereas the corresponding 1% difference in LM is related to an FISsprint difference of 5.1%, where both differences are in favor of the skier with higher V̇O2max or LM. It is recommended that coaches use the absolute expression of these variables to monitor skiers’ performance-related training adaptations linked to changes in aerobic power and anaerobic capacity.

Keywords
V̇O2max, anaerobic capacity, cross-country skiing, allometric scaling
National Category
Sport and Fitness Sciences
Research subject
Health and Welfare
Identifiers
urn:nbn:se:du-23398 (URN)10.2147/OAJSM.S116672 (DOI)27877070 (PubMedID)
Note

Open Access APC beslut 4/2017

Available from: 2016-11-17 Created: 2016-11-17 Last updated: 2017-11-29Bibliographically approved
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