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BMC Sports Science, Medicine and Rehabilitation

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https://www.readbyqxmd.com/read/29075501/could-current-factors-be-associated-with-retrospective-sports-injuries-in-brazilian-jiu-jitsu-a-cross-sectional-study
#1
Dayana das Graças, Letícia Nakamura, Fernando Sérgio Silva Barbosa, Paula Felippe Martinez, Filipe Abdalla Reis, Silvio Assis de Oliveira-Junior
BACKGROUND: Brazilian jiu-jitsu is characterized by musculoskeletal disorders and high occurrence of sports injuries. The present study was aimed to analyze some internal factors, as well as to describe occurrence and characteristics of retrospective musculoskeletal injuries in different age groups of Brazilian jiu-jitsu practitioners. METHODS: One hundred ninety-three Brazilian jiu-jitsu practitioners, which were divided into three age groups: Adolescent, Adult, and Master...
2017: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28785412/assessing-upper-limb-function-transcultural-adaptation-and-validation-of-the-portuguese-version-of-the-stroke-upper-limb-capacity-scale
#2
João Paulo Branco, Sandra Oliveira, João Páscoa Pinheiro, Pedro L Ferreira
BACKGROUND: Brachial hemiparesis is one of the most frequent sequelae of stroke, leading to important functional disability given the role of the upper limb in executing activities of daily living (ADL). The Stroke Upper Limb Capacity Scale (SULCS) is a stroke-specific assessment instrument that evaluates functional capacity of the upper limb based on the execution of 10 tasks. The objective of this study is the transcultural adaptation and psychometric validation of the Portuguese version of the SULCS...
2017: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28785411/hormonal-aspects-of-overtraining-syndrome-a-systematic-review
#3
Flavio A Cadegiani, Claudio E Kater
BACKGROUND: Overtraining syndrome (OTS), functional (FOR) and non-functional overreaching (NFOR) are conditions diagnosed in athletes with decreased performance and fatigue, triggered by metabolic, immune, hormonal and other dysfunctions and resulted from an imbalance between training stress and proper recovery. Despite previous descriptions, there is a lack of a review that discloses all hormonal findings in OTS/FOR/NFOR. The aim of this systematic review is to evaluate whether and which roles hormones play in OTS/FOR/NFOR...
2017: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28725437/towards-evidence-based-strength-training-a-comparison-of-muscle-forces-during-deadlifts-goodmornings-and-split-squats
#4
Florian Schellenberg, William R Taylor, Silvio Lorenzetti
BACKGROUND: To ensure an efficient and targeted adaptation with low injury risk during strength exercises, knowledge of the participant specific internal loading conditions is essential. The goal of this study was to calculate the lower limb muscles forces during the strength exercises deadlifts, goodmornings and splits squats by means of musculoskeletal simulation. METHODS: 11 participants were assessed performing 10 different variations of split squats by varying the step length as well as the maximal frontal tibia angle, and 13 participants were measured performing deadlift and goodmorning exercises...
2017: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28533914/the-influence-of-a-healthy-welcoming-environment-on-participation-in-club-sport-by-adolescent-girls-a-longitudinal-study
#5
M M Casey, R M Eime, J T Harvey, N A Sawyer, M J Craike, C M Symons, W R Payne
BACKGROUND: This study investigated the perceived influence of a Healthy Welcoming Environment (HWE) on participation in sports clubs among adolescent girls, and how these perceptions changed longitudinally. HWE was defined in terms of a set of health promotion policies advocated by a health promotion foundation as the basis of sport club health promotion practice to promote structural reform in state sporting organisations and their affiliated associations and clubs. These included sports injury prevention, smoke-free, responsible serving of alcohol, sun protection, healthy eating, and welcoming and inclusive environments...
2017: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28503309/are-there-two-forms-of-isometric-muscle-action-results-of-the-experimental-study-support-a-distinction-between-a-holding-and-a-pushing-isometric-muscle-function
#6
Laura V Schaefer, Frank N Bittmann
BACKGROUND: In isometric muscle function, there are subjectively two different modes of performance: one can either hold isometrically - thus resist an impacting force - or push isometrically - therefore work against a stable resistance. The purpose of this study is to investigate whether or not two different isometric muscle actions - the holding vs. pushing one (HIMA vs PIMA) - can be distinguished by objective parameters. METHODS: Ten subjects performed two different measuring modes at 80% of MVC realized by a special pneumatic system...
2017: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28451436/loading-conditions-in-the-spine-hip-and-knee-during-different-executions-of-back-extension-exercises
#7
Florian Schellenberg, Nicole Schmid, Ramona Häberle, Nicole Hörterer, William R Taylor, Silvio Lorenzetti
BACKGROUND: Back extension (BE) is a strength exercise for training the dorsal trunk and hip muscles. To optimise training recommendations that avoid overloading and possible injury, the aim of this study was to determine the loading conditions and the influence of different execution forms of BE on spine, hip and knee ranges of motion (RoMs), joint moments and muscle activity. METHODS: The kinematics, kinetics and muscle activity (EMG) of two execution types (BEh: dynamic hip, BEs: dynamic spine) and two versions (one-legged and two-legged) of BE were measured in 16 subjects...
2017: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28435685/quantification-and-physiological-significance-of-the-rightward-shift-of-the-v-slope-during-incremental-cardiopulmonary-exercise-testing
#8
Hirotaka Nishijima, Kazuo Kondo, Kazuya Yonezawa, Hiroki Hashimoto, Masayuki Sakurai
BACKGROUND: Ventilatory anaerobic threshold (VAT) is frequently used as a measure of exercise tolerance, with the V-slope method being the standard; however, this needs to be visually determined. Over the years, we have observed that the V-slope itself often appears to shift rightward before the appearance of the VAT (RtShift: rightward shift of V-slope). This phenomenon has long been known to occur during the first 1-2 min of steady-state exercise and disappears thereafter; it is attributed to CO2 storage, presumably in active muscle...
2017: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28373907/comparison-between-logbook-reported-and-objectively-assessed-physical-activity-and-sedentary-time-in-breast-cancer-patients-an-agreement-study
#9
Anne-Sophie Mazzoni, Karin Nordin, Sveinung Berntsen, Ingrid Demmelmaier, Helena Igelström
BACKGROUND: Increasing physical activity (PA) and decreasing sedentary time (ST) have important health effects among breast cancer patients, a growing population group. PA and sedentary behaviors are complex multi-dimensional behaviors and are challenging to monitor accurately. To date few studies have compared self-reports and objective measurement in assessing PA and ST in women undergoing breast cancer treatments. The aim of the present study was to compare self-reports and objective measures for assessing daily time spent in moderate-intensity physical activity (MPA), vigorous-intensity physical activity (VPA) and ST in women undergoing breast cancer treatments...
2017: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28316789/reliability-and-concurrent-validity-of-the-international-physical-activity-questionnaire-short-form-among-pregnant-women
#10
Birgitte Sanda, Ingvild Vistad, Lene Annette Hagen Haakstad, Sveinung Berntsen, Linda Reme Sagedal, Hilde Lohne-Seiler, Monica Klungland Torstveit
ABSTRACT: Sanda B, Vistad I, Haakstad LAH, Berntsen S, Sagedal LR, Lohne-Seiler H, Torstveit MK. Reliability and concurrent validity of the International Physical Activity Questionnaire short form among pregnant women. BACKGROUND: The International Physical Activity Questionnaire short-form (IPAQ-SF) is frequently used to assess physical activity (PA) level in the general adult population including pregnant women. However, the reliability and validity of the questionnaire in pregnancy is unknown...
2017: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28250934/team-sport-athletes-perceptions-and-use-of-recovery-strategies-a-mixed-methods-survey-study
#11
Fiona Crowther, Rebecca Sealey, Melissa Crowe, Andrew Edwards, Shona Halson
BACKGROUND: A variety of recovery strategies are used by athletes, although there is currently no research that investigates perceptions and usage of recovery by different competition levels of team sport athletes. METHODS: The recovery techniques used by team sport athletes of different competition levels was investigated by survey. Specifically this study investigated if, when, why and how the following recovery strategies were used: active land-based recovery (ALB), active water-based recovery (AWB), stretching (STR), cold water immersion (CWI) and contrast water therapy (CWT)...
2017: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28184307/low-back-pain-and-foki-rs2228570-polymorphism-of-vitamin-d-receptor-in-athletes
#12
Sabina Cauci, Francesca Migliozzi, Carlo Simone Trombetta, Ilaria Venuto, Paola Saccheri, Luciana Travan, Giovanni Chiriacò
BACKGROUND: Low back pain (LBP) is common in athletes. LBP can be detrimental to athletic performance and health. Factors predisposing to LBP in athletes remain elusive and require further studies. We investigated whether carriage of a specific genotype and/or allele of vitamin D receptor gene (VDR) FokI polymorphism (rs2228570) was a risk factor for LBP in athletes of different sports disciplines. METHODS: This genotype/phenotype association case-control study included 60 Italian athletes (25 females and 35 males; mean age 33...
2017: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28149523/differences-in-life-expectancy-between-olympic-high-jumpers-discus-throwers-marathon-and-100-meter-runners
#13
Jeffrey Lee-Heidenreich, David Lee-Heidenreich, Jonathan Myers
BACKGROUND: Several studies have demonstrated that body habitus is associated with survival (life expectancy) time. We sought to determine if survival differed between elite athletes with a range of body types. We hypothesized that the survival would differ between athlete types and that ectomorph athletes would have longer survival than heavier athletes. METHODS: For each Olympics between 1928 and 1948 we identified the top (up to 20) Olympic male and female finishers in the high jump (HJ), discus throw, marathon, and 100-m run...
2017: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28116102/self-determined-motivation-in-rehabilitating-professional-rugby-union-players
#14
Fraser Carson, Remco C J Polman
BACKGROUND: The aim of the present study was to explore the views of professional rugby union players during the early rehabilitation, late rehabilitation and return to play stages, following anterior cruciate ligament (ACL) injury. METHODS: A qualitative dominant, mixed methodological approach was utilized with five players who had suffered an ACL injury requiring reconstructive surgery. A longitudinal approach, concurrent with each player's rehabilitation, consisting of twice monthly interviews, a self-report diary and three established questionnaires (MOS-Social Support Survey, Sherbourne & Stewart, 1991; Sport Climate Questionnaire, Deci & Ryan, n...
2017: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28078090/the-effect-of-ongoing-feedback-on-physical-activity-levels-following-an-exercise-intervention-in-older-adults-a-randomised-controlled-trial-protocol
#15
Katie-Jane Brickwood, Stuart T Smith, Greig Watson, Andrew D Williams
BACKGROUND: Physical inactivity ranks as a major contributing factor in the development and progression of chronic disease. Lifestyle interventions reduce the progression of chronic disease, however, compliance decreases over time and health effects only persist as long as the new lifestyle is maintained. Telephone counselling (TC) is an effective way to provide individuals with ongoing support to maintain lifestyle changes. Remote physical activity monitoring and feedback (RAMF) via interactive technologies such as activity trackers and smartphones may be a cost-effective alternative to TC, however, this comparison has not been made...
2017: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28174664/criterion-validity-and-reliability-of-a-smartphone-delivered-sub-maximal-fitness-test-for-people-with-type-2-diabetes
#16
Cecilie Fau Brinkløv, Ida Kær Thorsen, Kristian Karstoft, Charlotte Brøns, Laura Valentiner, Henning Langberg, Allan Arthur Vaag, Jens Steen Nielsen, Bente Klarlund Pedersen, Mathias Ried-Larsen
BACKGROUND: Prevention of multi-morbidities following non-communicable diseases requires a systematic registration of adverse modifiable risk factors, including low physical fitness. The aim of the study was to establish criterion validity and reliability of a smartphone app (InterWalk) delivered fitness test in patients with type 2 diabetes. METHODS: Patients with type 2 diabetes (N = 27, mean (SD) age 64.2 (5.9) years, BMI 30.0 (5.1) kg/m(2), (30 % male)) completed a 7-min progressive walking protocol twice (with and without encouragement)...
2016: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/27980791/physical-inactivity-among-physiotherapy-undergraduates-exploring-the-knowledge-practice-gap
#17
Chathuranga Ranasinghe, Chathurani Sigera, Priyanga Ranasinghe, Ranil Jayawardena, Ayodya C R Ranasinghe, Andrew P Hills, Neil King
BACKGROUND: Physical inactivity is a common risk factor for several non-communicable diseases (NCDs). Increasing physical activity could reduce the burden of disease due to major NCDs and increase life expectancy. Undergraduate physiotherapy students represent a group of young-adults expected to have a good knowledge of physical activity. We evaluated physical activity levels of undergraduate physiotherapy students of University of Colombo, Sri Lanka and determined their motives and barriers for participation in physical activity...
2016: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/27980790/incidence-of-back-pain-in-adolescent-athletes-a-prospective-study
#18
Steffen Mueller, Juliane Mueller, Josefine Stoll, Olaf Prieske, Michael Cassel, Frank Mayer
BACKGROUND: Recently, the incidence rate of back pain (BP) in adolescents has been reported at 21%. However, the development of BP in adolescent athletes is unclear. Hence, the purpose of this study was to examine the incidence of BP in young elite athletes in relation to gender and type of sport practiced. METHODS: Subjective BP was assessed in 321 elite adolescent athletes (m/f 57%/43%; 13.2 ± 1.4 years; 163.4 ± 11.4 cm; 52.6 ± 12.6 kg; 5.0 ± 2...
2016: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/27895923/concurrent-validity-of-the-gyko-inertial-sensor-system-for-the-assessment-of-vertical-jump-height-in-female-sub-elite-youth-soccer-players
#19
Melanie Lesinski, Thomas Muehlbauer, Urs Granacher
BACKGROUND: The aim of the present study was to verify concurrent validity of the Gyko inertial sensor system for the assessment of vertical jump height. METHODS: Nineteen female sub-elite youth soccer players (mean age: 14.7 ± 0.6 years) performed three trials of countermovement (CMJ) and squat jumps (SJ), respectively. Maximal vertical jump height was simultaneously quantified with the Gyko system, a Kistler force-plate (i.e., gold standard), and another criterion device that is frequently used in the field, the Optojump system...
2016: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/27891234/normative-values-for-musculoskeletal-and-neuromotor-fitness-in-apparently-healthy-norwegian-adults-and-the-association-with-obesity-a-cross-sectional-study
#20
Ingirid Geirsdatter Heald Kjær, Monica Klungland Torstveit, Elin Kolle, Bjørge Herman Hansen, Sigmund Alfred Anderssen
BACKGROUND: Up-to-date research on musculoskeletal- and neuromotor fitness (MSMF) is lacking. The aims of the present paper were to a) establish normative values of MSMF by gender and age, and b) to assess how much of the variance in MSMF can be explained by obesity in adults. METHODS: A random selection of 726 Norwegians (20-65 years) participated in a national cross-sectional study. Muscular endurance, muscular strength, explosive power, flexibility and balance were assessed in addition to waist circumference (WC)...
2016: BMC Sports Science, Medicine and Rehabilitation
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