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  • Mattsson, C. Mikael (författare)
  • Konditionsträning för lagbollsidrottare
  • 2012
  • Ingår i: Idrott & kunskap. - 1652-6961. ; :1, s. 46-49
  • Tidskriftsartikel (populärvet., debatt m.m.)abstract
    • <p>Vilka konditionstestvärden har elitspelare i fotboll, ishockey och basket? Och hur tränar man effektivast sinkondition om man är bollidrottare? Mikael Mattson, doktor i fysiologi vid GIH, reder ut begreppen.</p>
  • Varea, Valeria, 1983- (författare)
  • Exploring the origins and consequences of Health and Physical Education undergraduates’ body dispositions
  • 2013
  • Ingår i: The International Journal of Sport and Society. - Common Ground Research Networks. - 2152-7857 .- 2152-7865. ; 3:3, s. 207-218
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>There is considerable literature that supports the proposition that the body is central concern for Health and Physical Education (HPE) professionals. This particular group of individuals has certain dispositions with regard to the body that can be readily conveyed to their students in intentional and unintentional ways through pedagogical encounters. This paper will discuss how a group of undergraduate HPE students think about and consider the body. Taking a poststructuralist perspective and drawing mainly on the work of Foucault, in-depth interviews were used as method to explore how these HPE undergraduates came to shape their particular dispositions across time. Three main themes emerged: the ‘normal’ body, fat bodies and the HPE teacher’s body. Findings from this study will be helpful in understanding HPE undergraduates’ body dispositions and how they shape up their idea of teaching.</p>
  • Wagnsson, Stefan, Docent, 1969- (författare)
  • Föreningsidrott och ungas psykosociala hälsoutveckling.
  • 2017
  • Ingår i: Idrottens samhällsnytta<em> </em> : En vetenskaplig översikt av idrottsrörelsens mervärden för individ och samhälle.. - Stockholm : Riksidrottsförbundet. - 9789187385193 ; s. 54-68
  • Bokkapitel (övrigt vetenskapligt)
  • Gerber, M, et al. (författare)
  • Concerns regarding hair cortisol as a biomarker of chronic stress in exercise and sport science
  • 2012
  • Ingår i: Journal of Sports Science and Medicine. - 1303-2968. ; 11, s. 571-581
  • Forskningsöversikt (refereegranskat)abstract
    • Hair cortisol has the potential to fill the methodological void of long-term cortisol assessment while becoming a widely accepted measure in biopsychology. This review critically examines the applicability and relevance of hair cortisol measurement specifically within the field of exercise and sport science. Current measures of the HPA axis only cover a brief time period, whereas hair cortisol is a unique, non-invasive means to capture long-term cortisol secretion. Studies have shown that individuals who have elevated cortisol secretion (e.g. due to diseases associated with a disturbed activation of the HPA axis or exposure to stressful life events) reveal increased hair cortisol. By contrast, only weak correlations exist between hair cortisol and perceived stress, and the direction of the relationship between hair cortisol levels and mental disorders is unclear. Acute exercise, however, results in increased levels of cortisol that eventually is reflected in higher levels of cortisol in hair samples and studies have shown that exercise intensity is related to hair cortisol level. Thus, elevated hair cortisol levels found among regular exercisers are not necessarily pathological. Thus, one should practice caution when associating athletes’ elevated hair cortisol with poor mental health or disease. Hair cortisol analysis can contribute to a more complete understanding of how long-term cortisol elevation mediates stress-related effects on the health and performance of recreational exercisers and elite athletes. Nevertheless, it is crucial for exercise and sport scientists to consider whether their research questions can be adequately addressed, given that regular intense exercise results in substantially augmented hair cortisol levels.
  • Nilsson, Johnny, et al. (författare)
  • Running economy and blood lactate accumulation in elite football players with high and low maximal aerobic power
  • 2015
  • Ingår i: LASE Journal of Sport Science. - 1691-7669 .- 1691-9912. ; 6:2, s. 44-51
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>The purpose was to determine running economy and lactate threshold among a selection of male elite football players with high and low aerobic power. Forty male elite football players from the highest Swedish division (“Allsvenskan”) participated in the study. In a test of running economy (RE) and blood lactate accumulation the participants ran four minutes each at 10, 12, 14, and 16 km•h-1 at horizontal level with one minute rest in between each four minutes interval. After the last sub-maximal speed level the participants got two minutes of rest before test of maximal oxygen uptake (VO2max). Players that had a maximal oxygen uptake lower than the average for the total population of 57.0 mL O2•kg-1•minute-1 were assigned to the low aerobic power group (LAP) (n=17). The players that had a VO2max equal to or higher than 57.0 mL O2•kg-1•minute-1 were selected for the high aerobic power group (HAP) (n=23). The VO2max was significantly different between the HAP and LAP group. The average RE, measured as oxygen uptake at 12, 14 and 16km•h-1 was significantly lower but the blood lactate concentration was significantly higher at 14 and 16 km•h-1 for theLAP group compared with the HAP group.</p>
  • Thorell, Gabriella, et al. (författare)
  • From giving orders to engaging in dialogue: Military norms being challenged at the Swedish riding school.
  • 2018
  • Ingår i: International Review for the Sociology of Sport. - 1461-7218. ; 53:4, s. 451-470
  • Tidskriftsartikel (refereegranskat)abstract
    • Equestrian sport is one of the largest sports among young girls in Sweden. A majority of these girls get their riding education at riding schools that provide horses and instructors. Previous research has pointed out that the Swedish riding school is characterised by a traditional stable culture that originated in army practices. Presently Swedish children and youth sport at large are undergoing a change driven by increased commercialisation and individualisation. The aim of this article is therefore to explore and analyse how Swedish riding instructors perceive and experience their professional role in regards to these changes. Interviews with 10 riding instructors have been analysed using a constructivist approach of Grounded theory, as well as institutional theory and institutional economic theory. It was discovered that the riding instructors, due to an economic recession, feel that the institutional arrangements of the riding schools have become governed by the economy. The riding instructors thus feel impelled to change and adapt to new teaching styles – from instruction characterised by giving orders to teaching characterised by dialogue. This study illustrates how economic challenges require continuous development of the riding instructors’ pedagogical ability, and have made them more aware of their profession, its historical heritage and norms.
  • Kjeldgard, L., et al. (författare)
  • Bicycle crashes and sickness absence - A population-based Swedish register study of all individuals of working ages
  • 2019
  • Ingår i: BMC Public Health. - 1471-2458. ; 19:1
  • Tidskriftsartikel (refereegranskat)abstract
    • Background : In recent years, bicycle injuries have increased, yet little is known about the impact of such injures on sickness absence (SA) and disability pension (DP). The aim was to explore SA and DP among individuals of working ages injured in a bicycle crash. Method : A nationwide register-based study, including all individuals aged 16-64 years and living in Sweden, who in 2010 had in- or specialized out-patient healthcare (including emergency units) after a bicycle crash. Information on age, sex, sociodemographics, SA, DP, crash type, injury type, and injured body region was used. We analyzed individuals with no SA or DP, with ongoing SA or full-time DP already at the time of the crash, and with new SA &gt; 14 days in connection to the crash. Crude and adjusted odds ratios (OR) with 95% confidence intervals for new SA were estimated by logistic regression. Results : In total, 7643 individuals had healthcare due to a new bicycle crash (of which 85% were single-bicycle crashes). Among all, 10% were already on SA or full-time DP at the time of the crash, while 18% had a new SA spell. The most common types of injuries were external injuries (38%) and fractures (37%). The body region most frequently injured was the upper extremities (43%). Women had higher OR (1.40; 1.23-1.58) for new SA than men, as did older individuals compared with younger (OR 2.50; 2.02-3.09, for ages: 55-64 vs. 25-34). The injury types with the highest ORs for new SA, compared with the reference group external injuries was fractures (8.04; 6.62-9.77) and internal injuries (7.34; 3.67-14.66). Individuals with traumatic brain injury and injuries to the vertebral column and spinal cord had higher ORs for SA compared with other head, face, and neck injuries (2.72; 1.19-6.22 and 3.53; 2.24-5.55, respectively). Conclusions : In this explorative nationwide study of new bicycle crashes among individuals of working ages, 18% had a new SA spell in connection to the crash while 10% were already on SA or DP. The ORs for new SA were higher among women, older individuals, and among individuals with a fracture.
  • Ohlin, Maria, 1987-, et al. (författare)
  • Duration of sickness absence following a bicycle crash, by injury type and injured body region: A nationwide register-based study
  • 2018
  • Ingår i: Journal of Transport & Health. - 2214-1405. ; 9, s. 275-281
  • Tidskriftsartikel (refereegranskat)abstract
    • In recent years, bicycle injuries have increased but little is known about the relation of such injures to sickness absence (SA). The aim of this study was to investigate duration of SA &gt; 14 days after a bicycle crash, in general and by injury type and injured body region. A population-based study was conducted, including all individuals living in Sweden, aged 16-64 years, who in 2009-2011 had in-or specialized outpatient medical care due to a new injury from a bicycle crash (n = 22,045), excluding those already on SA or full-time disability pension at the time of the crash. Crude and adjusted odds ratios (OR) and 95% confidence intervals (CI) for a new SA were estimated by logistic regression. In total, 4387 (20%) had new SA in connection to the crash. SA was most common among individuals aged 55-64 years (32%), and more common among women (23%) than men (18%). Fractures was the injury type with the highest OR for SA across all durations, but highest for 30-89 days (8.09; CI 6.30-10.39). Spine and back was the body region with the highest OR for SA &gt;= 90 days (11.98; CI 7.38-19.46), followed by Traumatic Brain Injuries (6.64; CI 4.01-10.98), and injuries to lower extremities (5.28; CI 3.58-7.78). For 235 individuals (5%) the SA spell lasted &gt;= 180 days. Among those cases, the most commonly injured body regions were lower leg (21%) followed by shoulder and upper arm (17%), and Traumatic Brain Injuries (15%). In conclusion, the duration of SA varied with type of injury and injured body region. Among the very long SA spells, common injuries were injuries to the lower leg, to the shoulder and upper arm, and traumatic brain injuries.
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