| 1. |
- Alfredson, Håkan, et al.
(författare)
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Surgical plantaris tendon removal for patients with plantaris tendon-related pain only and a normal Achilles tendon : a case series
- 2018
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Ingår i: BMJ Open Sport & Exercise Medicine. - : BMJ Publishing Group Ltd. - 2055-7647. ; 4:1
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Tidskriftsartikel (refereegranskat)abstract
- Objectives: Surgical removal of the plantaris tendon can cure plantaris-associated Achilles tendinopathy, a condition in which Achilles and plantaris tendinopathy coexist. However, rare cases with plantaris tendinopathy alone are often misdiagnosed due to a normal Achilles tendon.Design and setting: Prospective case series study at one centre.Participants: Ten consecutive patients (9 men and one woman, mean age 35 years, range 19–67) with plantaris tendon-related pain alone in altogether 13 tendons were included. All had had a long duration (median 10 months, range 3 months to 10 years) of pain symptoms on the medial side of the Achilles tendon mid-portion. Preoperative ultrasound showed thickened plantaris tendon but a normal Achilles tendon.Interventions: Operative treatment consisting of ultrasound-guided excision of the plantaris tendon.Primary and secondary outcome measures: Scores from Victorian Institute of Sports Assessment-Achilles questionnaire (VISA-A)were taken preoperatively and postoperatively (median duration 10 months). Patient satisfaction and time until full return to sports activity level was asked by a questionnaire.Results: The VISA-A scores increased from 61 (range 45–81) preoperatively to 97 (range 94–100) postoperatively (p<0.01). Follow-up results at 10 months (range 7–72 months) on 9/10 patients showed full satisfaction and return to their preinjury sports or recreational activityConclusion: The plantaris tendon should be kept in mind when evaluating painful conditions in the Achilles tendon region, especially when no Achilles tendinopathy is present. Excision of the plantaris tendon via a minor surgical procedure in local anaesthesia results in a good outcome.
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| 2. |
- Arvidsson, Elin, et al.
(författare)
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Exercise training and physiological responses to acute stress: study protocol and methodological considerations of a randomised controlled trial
- 2018
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Ingår i: BMJ Open Sport & Exercise Medicine. - : BMJ. - 2055-7647. ; 4:1
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Tidskriftsartikel (refereegranskat)abstract
- Background: This paper describes the protocol and methodological prerequisites for a randomised controlled exercise intervention. Selected baseline data from the study are also presented, demonstrating some methodological challenges related to exercise intervention trials. The aim of the trial was to study the effects of exercise training on physiological responses to acute psychosocial stress in untrained individuals. Methods: Individuals with a low level of physical activity were invited to participate in an exercise intervention lasting for 6 months. A total of 119 participants were included and went through a peak oxygen uptake test and a psychosocial stress test at baseline. Adrenocorticotropic hormone (ACTH) and cortisol were measured in connection to the stress test to identify the physiological response. Results: Almost 90% of the participants reported themselves as untrained, but results from the objectively measured oxygen uptake did not seem to correspond to the reported sedentary lifestyle. The primary outcome measures at baseline varied between individuals. The mean change from pre-test to peak value was 214% for ACTH and 94% for cortisol. Of these, 13 individuals did not respond in ACTH and/or and cortisol. Discussion: Supposedly untrained individuals seeking participation in an exercise intervention might not be as untrained as they report, a methodological consideration of importance when evaluating the effects of training. Another important consideration is related to the primary outcome measure, which should be measurable and possible to affect. Absence of reaction at baseline means that changes can only be detected as an increased reaction.
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| 3. |
- Bengtsson, Victor, et al.
(författare)
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Narrative review of injuries in powerlifting with special reference to their association to the squat, bench press and deadlift
- 2018
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Ingår i: BMJ Open Sport & Exercise Medicine. - : BMJ Publishing Group Ltd. - 2055-7647. ; 4
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Tidskriftsartikel (refereegranskat)abstract
- Pain and injuries are considered a common problem among elite athletes and recreational lifters performing the squat, bench press and deadlift. Since all three lifts engage multiple joints and expose the lifters' bodies to high physical demands often several times a week, it has been suggested that their injuries might be related to the excessively heavy loads, the large range of motion during the exercises, insufficient resting times between training sessions and/or faulty lifting technique. However, no previous article has summarised what is known about specific injuries and the injury aetiology associated with the three lifts. Thus, the aim of this narrative review was to summarise what is known about the relationships between the powerlifting exercises and the specific injuries or movement impairments that are common among lifters and recreationally active individuals.
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| 4. |
- Bolin, Kristian
(författare)
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Physical inactivity: Productivity losses and healthcare costs 2002 and 2016 in Sweden
- 2018
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Ingår i: BMJ Open Sport and Exercise Medicine. - : BMJ. - 2055-7647. ; 4:1
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Tidskriftsartikel (refereegranskat)abstract
- Objectives: To estimate the costs associated with physical inactivity in Sweden for the year 2016. Methods: The costs associated with insufficient physical activity was calculated employing population attributable fractions (PAFs) and register information on healthcare utilisation, mortality and disability pensions. The PAFs were calculated using information on exercise habits and morbidity-specific relative risks. The healthcare cost components were calculated based on registry data on inpatient-care, outpatient-care and primary care utilisation. Registry data on cause-specific mortality and granted disability pensions were used to calculate the productivity loss components. Costs associated with pharmaceutical utilisation were not included due lack of data. Results: Physical exercise habits improved somewhat between 2002 and 2016. Thus, the associated morbidityspecific PAFs decreased over the same time period. Conclusions: The economic costs attributable to insufficient physical activity decrease between the year 2002 and 2016. Healthcare costs attributable to insufficient physical activity as share of total healthcare expenses increased from 0.86 % in 2002 to 0.91 % in 2016.
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| 5. |
- Jungmalm, Jonatan, 1991, et al.
(författare)
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Study protocol of a 52-week Prospective Running Injury study in Gothenburg (SPRING)
- 2018
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Ingår i: BMJ Open Sport Exercise Medicine. - : BMJ. - 2044-6055 .- 2055-7647. ; 4:1
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Tidskriftsartikel (refereegranskat)abstract
- Introduction It is assumed that a running-related (overuse) injury occurs when a specific structure of the human body is exposed to a load that exceeds that structures’ load capacity. Therefore, monitoring training load is an important key to understanding the development of a running-related injury. Additionally, other distribution, magnitude and capacity-related factors should be considered when aiming to understand the causal chain of injury development. This paper presents a study protocol for a prospective cohort study that aims to add comprehensive information on the aetiology of running-related injuries and present a new approach for investigating changes in training load with regard to running-related injuries. Methods and analysis This study focused on recreational runners, that is, runners exposed to a minimum weekly average of 15 km for at least 1 year. Participants will undergo baseline tests consisting of a clinical/anthropometrical examination and biomechanical measurements. Furthermore, participants will log all training sessions in a diary on a weekly basis for 1 year. The primary exposure variable is changes in training load. A medical practitioner will examine runners suffering from running-related pain and, if possible, make a clear diagnosis. Finally, additional time-varying exposure variables will be included in the main analysis, whereas the analysis for the secondary purpose is based on timefixed baseline-related risk factors.
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| 6. |
- Kilic, Ö., et al.
(författare)
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Exposure to physical and psychosocial stressors in relation to symptoms of common mental disorders among European professional football referees : A prospective cohort study
- 2018
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Ingår i: BMJ Open Sport and Exercise Medicine. - London : BMJ Publishing Group Ltd. - 2055-7647. ; 4:1
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Tidskriftsartikel (refereegranskat)abstract
- Objectives The study aim was to explore the association of physical and psychosocial stressors (severe injuries, surgeries, recent life events, social support) with one-season onset of symptoms of common mental disorders (CMDs) among European professional football referees. Methods An observational prospective cohort study over a follow-up period of one season (2015-2016) was conducted among professional football referees from Belgium, Finland, France, Germany, Norway, Russia, Scotland and Sweden. Based on physical and psychosocial stressors as well as symptoms of CMD, an electronic questionnaire in English and French was set up and distributed by eight football federations involved. Results The prevalence of symptoms of CMD ranged from 5.9% for distress to 19.2% for eating disorders. A higher number of severe injuries and a lower degree of satisfaction about social support were significantly related to the occurrence of symptoms of CMD with an OR of 2.63 and an OR of 1.10, respectively. Conclusion A higher number of severe injuries and a lower degree on satisfaction about social support were found to be significantly associated with the onset of symptoms of CMD among European professional football referees. Referees suffering from severe injuries were nearly three times more likely to report symptoms of anxiety and depression. Referees who reported a low satisfaction of social support were significantly more likely to report symptoms of eating disorder. © Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2018. All rights reserved.
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| 7. |
- Lahti, Amanda, et al.
(författare)
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Long-term effects of daily physical education throughout compulsory school on duration of physical activity in young adulthood : An 11-year prospective controlled study
- 2018
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Ingår i: BMJ Open Sport & Exercise Medicine. - : BMJ. - 2055-7647. ; 4:1
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Tidskriftsartikel (refereegranskat)abstract
- Objectives We examined whether daily physical activity (PA) during compulsory school encourages children to be more physically active during the intervention and 4 years after termination of the programme. Methods This prospective controlled intervention study followed the same 124 children (81 children in an intervention group and 43 controls) aged 7.7±0.6 (mean±SD) during a 7-year PA intervention and 4 years after the intervention when the children were 18.7±0.3 years old. The intervention included daily school physical education (PE) (200 min/week), whereas the controls continued with the Swedish standard of 60 min/week. Using a questionnaire, we gathered data about total PA, leisure time PA and sedentary activities (SA). Group comparisons are adjusted for age and gender, and data are provided as means with 95% CIs. Results At baseline, we found similar duration of PA and SA between groups. After a mean of 7 years with intervention, the intervention group was more physically active than the controls (+4.5 (2.9 to 6.0) hours/week), whereas SA was similar (+0.6 (-2.5 to 3.9) hours/week). Four years beyond the intervention, the intervention group was still more physically active than the controls (2.7 (0.8 to 4.7) hours/week), and SA was still similar (-3.9 (-9.7 to 1.7) hours/week). Conclusions Intervention with daily school PE throughout compulsory school is associated with higher duration of PA not only during the intervention but also 4 years after termination of the programme.
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| 8. |
- Malmborg, Julia S, 1988-, et al.
(författare)
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Musculoskeletal pain and its association with maturity and sports performance in 14-year-old sport school students
- 2018
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Ingår i: BMJ Open Sport & Exercise Medicine. - London : BMJ. - 2055-7647. ; 4:1
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Tidskriftsartikel (refereegranskat)abstract
- Objectives In youth sports, musculoskeletal pain is often studied from the standpoint of sports injuries, but little is known about pain conditions in which athletes still participate. The aim was to study the frequency of pain and associations with maturity offset, health status and sports performance in 14-year-old sport school students. Methods Cross-sectional design. One hundred and seventy-eight students (108 boys and 70 girls) completed anthropometric measures for maturity offset (height, weight and sitting height), questionnaires (pain mannequin and EQ-5D for health status) and sports performance tests (sprint, agility, counter-movement jump and grip strength). Differences between groups were analysed with Student's t-test and analysis of covariance. Results Thirty-one students (18.6%) reported infrequent pain, 85 (50.9%) frequent pain and 51 (30.5%) constant pain. Students in the constant pain group had worse health status than those in the infrequent pain group. Boys with constant pain (n=27) had a lower mean maturity offset (-0.38 vs 0.07 years; p=0.03) than boys with infrequent pain (n=22), and pain was associated with worse sports performance. There was no difference in maturity or sports performance between girls with constant pain (n=24) and girls with infrequent pain (n=9). Conclusion Musculoskeletal pain is common in sport school students and coincides with worse health status and with a younger biological age in boys. The high prevalence of pain should be acknowledged by coaches and student healthcare workers in order to promote a healthy and sustainable development in young athletes.
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| 9. |
- Meredith, Lauren, 1989, et al.
(författare)
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Horse-related incidents and factors for predicting injuries to the head
- 2018
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Ingår i: BMJ Open Sport and Exercise Medicine. - : BMJ. - 2055-7647. ; 4:1
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Tidskriftsartikel (refereegranskat)abstract
- Objectives Head injuries are the leading cause of death in horse-related injury events and, even since the introduction of helmets, represent a sizeable proportion of all horse-related injuries. Falls from horseback and kicks to the head are the most frequent type of incident causing head injuries, but it is unknown whether these incidents are predictors of head injury. This study aimed to investigate head injuries and the association between incident type and head injury. Method Retrospective review of 7815 horse-related injury events was conducted. Data were gathered from hospitals, local healthcare centres and public dental services in Skaraborg, Sweden. Binary logistic regression was used to analyse the association between the incident type and occurrence of head injury while controlling for risk factors. Results Approximately 20% of riders sustained a head injury, mostly soft tissue injuries (56.3%) and concussions (33.4%). A fall from or with the horse was the primary cause of head injury (63.9%). Those who fell from a carriage or other height or who were injured through contact with the horse had no difference in the likelihood of head injury when compared with those that fell from or with the horse. However, those who sustained an injury without any horse contact had lower odd of head injury (OR: 0.640, p<0.00005, 95% CI 0.497 to 0.734). Additionally, the older the rider, the lower the odds of head injury (OR=0.989, p<0.00005, 95% CI 0.985 to 0.993). Conclusion Improved protection for those suffering falls from horseback as well as those who are kicked in the head should be investigated.
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| 10. |
- Pensgaard, Anne Marte, et al.
(författare)
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Psychosocial stress factors, including the relationship with the coach, and their influence on acute and overuse injury risk in elite female football players
- 2018
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Ingår i: BMJ Open Sport & Exercise Medicine. - London : BMJ Publishing Group Ltd. - 2055-7647. ; 4:1
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Tidskriftsartikel (refereegranskat)abstract
- Background: The relationship between specific types of stressors (eg, teammates, coach) and acute versus overuse injuries is not well understood.Objective: To examine the roles of different types of stressors as well as the effect of motivational climate on the occurrence of acute and overuse injuries.Methods: Players in the Norwegian elite female football league (n=193 players from 12 teams) participated in baseline screening tests prior to the 2009 competitive football season. As part of the screening, we included the Life Event Survey for Collegiate Athletes and the Perceived Motivational Climate in Sport Questionnaire (Norwegian short version). Acute and overuse time-loss injuries and exposure to training and matches were recorded prospectively in the football season using weekly text messaging. Data were analysed with Bayesian logistic regression analyses.Results: Using Bayesian logistic regression analyses, we showed that perceived negative life event stress from teammates was associated with an increased risk of acute injuries (OR=1.23, 95% credibility interval (1.01 to 1.48)). There was a credible positive association between perceived negative life event stress from the coach and the risk of overuse injuries (OR=1.21, 95% credibility interval (1.01 to 1.45)).Conclusions: Players who report teammates as a source of stress have a greater risk of sustaining an acute injury, while players reporting the coach as a source of stress are at greater risk of sustaining an overuse injury. Motivational climate did not relate to increased injury occurrence. © Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2018. All rights reserved.
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