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Research in Sports Medicine

Bartosz Slomka, Witold Rongies, Pawel Ruszczuk, Janusz Sierdzinski, Dorota Saganowska, Sebastian Zdunski, Marta E Worwag
The aim of the study was to assess skin temperature after short-term kinesiology tape application. Seventy-four healthy volunteers with no history of lower back pain participated in the study. Kinesiology tape was applied in the experimental group, and Matopat Classic adhesive tape was applied in the placebo group. Study participants wore the tape for four consecutive days and were then thermographically analyzed for changes in skin temperature. Examination of skin surface temperature distribution revealed a significantly lower temperature (mean decrease, 1...
March 25, 2018: Research in Sports Medicine
Nili Steinberg, Myriam Stern, Shay Tenenbaum, Alexander Blankstein, Aviva Zeev, Itzhak Siev-Ner
This study aimed at evaluating whether the prevalence of knee injuries and morphological features are different among pre-and-post menarche dancers; Sixty-seven pre-and-post menarche dancers were screened for anthropometric parameters; knee laxity; patella femoral pain syndrome (PFPS), pathologies and anatomical structure of the knees. Both groups showed a high and similar prevalence of PFPS. The post-menarche dancers produced a significantly higher rate of Tanner stages 3-4 (p = .010), greater weight (p < ...
March 8, 2018: Research in Sports Medicine
Dariusz Sitkowski, Zbigniew Szygula, Andrzej Pokrywka, Dariusz Turowski, Jadwiga Malczewska-Lenczowska
Interrelationships between physiological changes (Δ) in erythropoietin (EPO), plasma volume (PV), haemoglobin concentration ([Hb]), and total haemoglobin mass (tHb-mass) were examined in cyclists who trained in different altitudes. Regardless of differences in pattern of changes observed in three training locations, ΔEPO was correlated positively with ΔPV, negatively with Δ[Hb], and trivially with ΔtHb-mass. Δ[Hb] was negatively correlated with ΔPV. In the pooled data the Spearman's rank correlation coefficients were as follows: r = 0...
March 8, 2018: Research in Sports Medicine
Amanda M Heapy, Martin D Hoffman, Heidie H Verhagen, Samuel W Thompson, Pavitra Dhamija, Fiona J Sandford, Mary C Cooper
Manual therapy (MT) and intermittent pneumatic compression (IPC) are recovery methods used by endurance athletes with little evidence supporting effectiveness. This randomized controlled trial evaluated effectiveness of four daily post-race treatments of a specific MT protocol and IPC compared with supine rest on recovery following an ultramarathon among 56 ultramarathoners. Groups were comparable across all characteristics examined, including post-race plasma creatine kinase concentration. Subject completed timed 400 m runs before the race and on days three, five, seven and 14 post- race, and also provided muscle pain and soreness ratings and fatigue scores immediately before and after treatments, and during the 14 days post- race...
March 7, 2018: Research in Sports Medicine
Pantelis T Nikolaidis, Caio V de Sousa, Beat Knechtle
In open-water swimming events with non-elite swimmers held in the USA, but not in Europe, women were faster than men. We examined the sex difference in elite long-distance open-water swimming races and the role of nationality by investigating 7,468 swimmers competing in 5 km, 10 km and 25 km FINA races held between 2000 and 2016. More men participated in 10 km and 25 km than in 5km races. Men were faster than women and the sex difference was similar in all race distances. Swimming speed was faster for 5km than for 10km, which in turn was faster than 25km...
March 6, 2018: Research in Sports Medicine
Kerry Peek, Don Gatherer, Kyle J M Bennett, Job Fransen, Mark Watsford
The objective of this study was to investigate knee muscle strength characteristics in players from a high-level youth football Academy. In total, 110 players (aged 8-15 years) underwent muscle strength assessments carried out by a research physiotherapist using a computer-linked hand-held dynamometer. Results indicated that isometric hamstrings and quadriceps strength increased with age, whereas the isometric hamstring to quadriceps (H/Q) ratio decreased with age. A number of youth football players (n = 20; 18%; 95% CI: 11-27%) demonstrated isometric H/Q ratios of less than 0...
March 5, 2018: Research in Sports Medicine
Boyi Dai, Taylour J Hinshaw, Tyler A Trumble, Chaoyi Wang, Xiaopeng Ning, Qin Zhu
The purpose was to determine the effect of lowering minimum eye height through an externally focused object on knee and hip flexion and impact forces during jump-landing. Kinematics and ground reaction forces were collected when 20 male and 19 female participants performed jump-landing trials with their natural minimum eye height, and trials focusing on lowering their minimum eye height to an external object, which was set at 5% or 10% of standing height lower. Participants demonstrated decreased minimum eye height and increased peak knee and hip flexion during early-landing and stance phase when focusing on lowering eye height to the external object (p < 0...
March 5, 2018: Research in Sports Medicine
Mark McKenna, Daryl Thomas Cowan, David Stevenson, Julien Steven Baker
Performance analysis is extensively used in sport, but its pedagogical application is little understood. Given its expanding role across football, this study explored the experiences of neophyte performance analysts. Experiences of six analysis interns, across three professional football clubs, were investigated as multiple cases of new match analysis. Each intern was interviewed after their first season, with archival data providing background information. Four themes emerged from qualitative analysis: (1) "building of relationships" was important, along with trust and role clarity; (2) "establishing an analysis system" was difficult due to tacit coach knowledge, but analysis was established; (3) the quality of the "feedback process" hinged on coaching styles, with balance of feedback and athlete engagement considered essential; (4) "establishing effect" was complex with no statistical effects reported; yet enhanced relationships, role clarity, and improved performances were reported...
March 5, 2018: Research in Sports Medicine
Guillermo Olcina, Rafael Timón, Javier Brazo-Sayavera, Ismael Martínez-Guardado, Marta Marcos-Serrano, Carmen Crespo
Given increasing popularity of triathlon, the objective of this study was to evaluate the acute effects upon the health of triathletes. To do so, with a sample of 23 male athletes (34.4 ± 7.9 years old), an assessment was carried out both before and after an Olympic distance triathlon, of the bodily composition, the jumping ability and the BORG and VAS scales, as well as a blood analysis of the following: Lactate (mmol/L), Hematrocrit (%), Glucose (mg/dL), Total proteins (mg/dL), Triglycerides (mg/dL), Bilirubin (mg/dL), GOT (IU/L), GPT (IU/L), LDH (IU/L), CPK (IU/L)...
March 5, 2018: Research in Sports Medicine
Eva Lopezosa-Reca, Gabriel Gijon-Nogueron, Irene Garcia-Paya, Ana Belen Ortega-Avila
This aim of this study is to observe the differences in foot posture and the angle of the knee according to different physical activities. Seventy-eight football players and 72 swimmers were recruited, and in each case a foot posture analysis, based on the foot posture index (FPI), was conducted and the Q angle of the knee was determined. The following mean values were obtained for the lower extremities: in the swimmers, FPI 6.45 ± 2.04 and Q angle 15.38º ± 3.79º. In the footballers, FPI 2.23 ± 1.72 and Q angle 13...
March 4, 2018: Research in Sports Medicine
Will Abbott, Thomas E Brownlee, Liam D Harper, Robert J Naughton, Tom Clifford
This study examined if subjective wellbeing in soccer players was affected by match location, match result and opposition quality before a match (PRE), 1 day after (POST-1), and 3 days after a match (POST-3). Eleven professional male soccer players from the under 23 squad playing in the Premier League 2 division completed a wellbeing questionnaire before and after 17 matches. Match training load (session-rating perceived exertion) was not different, regardless of the location, result, or quality of opposition faced (P > 0...
March 4, 2018: Research in Sports Medicine
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No abstract text is available yet for this article.
April 2018: Research in Sports Medicine
Estibaliz Romaratezabala, Fábio Yuzo Nakamura, Daniel Castillo, Ilargi Gorostegi-Anduaga, Javier Yanci
The purpose of the study was to analyse the effect of two warm-up protocols of different duration on physical performance, perceived load and perception of being ready for a match in handball players. Eighteen handball players were randomly divided into two groups (Wup34min , warm-up protocol of 34 min, Wup17min , warm-up protocol of 17 min). Before and after the warm-up protocols, they performed a battery of physical tests and recorded their perception of feeling ready for a match. At the end of the warm-up protocols, all the players evaluated their differentiated perceived effort (dRPE)...
April 2018: Research in Sports Medicine
Gai Yang, Anthony S Leicht, Carlos Lago, Miguel-Ángel Gómez
The aim of this study was to identify the key physical and technical performance variables related to team quality in the Chinese Super League (CSL). Teams' performance variables were collected from 240 matches and analysed via analysis of variance between end-of-season-ranked groups and multinomial logistic regression. Significant physical performance differences between groups were identified for sprinting (top-ranked group vs. upper-middle-ranked group) and total distance covered without possession (upper and upper-middle-ranked groups and lower-ranked group)...
April 2018: Research in Sports Medicine
Martin D Hoffman, Rhonna Krouse
Participants in the Ultrarunners Longitudinal TRAcking (ULTRA) Study were asked to answer "yes" or "no" to the question "If you were to learn, with absolute certainty, that ultramarathon running is bad for your health, would you stop your ultramarathon training and participation?" Among the 1349 runners, 74.1% answered "no". Compared with those answering "yes", they were younger (p < 0.0001), less likely to be married (p = 0.019), had less children (p = 0...
April 2018: Research in Sports Medicine
Okba Selmi, Bruno Gonçalves, Ibrahim Ouergui, Jaime Sampaio, Anissa Bouassida
This study aimed to assess the effects of the total quality of recovery and well-being indices (self-ratings of sleep during the preceding night, stress, fatigue and delayed onset muscle soreness) on rating of perceived exertion (RPE) and physical enjoyment (PE) during small-sided games. A total of 20 professional soccer players (25 ± 0.8 years) completed four 5-a-side game sessions of 25-min duration each (4 × 4 min work with 3-min passive recovery in-between). All variables were collected before each game session with the exception of RPE and Physical Activity Enjoyment Scale that were collected after...
April 2018: Research in Sports Medicine
James R Churilla, Tammie M Johnson, M Ryan Richardson, Bethany D Williams, Brandi S Rariden, Adrian J Boltz
Body mass index (BMI) continues to be used as a marker of health due its strong correlation with adiposity and health. Physical activity (PA) has been shown to be favourably associated with a desirable BMI. Few studies have examined mode of PA participation across BMI indices with a mutually exclusive underweight BMI range. The purpose of this study was to examine the relationship between modes of PA and BMI. Data from the 2015 Behavioral Risk Factor Surveillance System was analysed. Underweight, overweight, and obese BMI categories possessed 35, 20, and 46% lower odds of meeting current PA guidelines...
April 2018: Research in Sports Medicine
Alexandra Harriss, David M Walton, James P Dickey
In soccer, heading may be related to subsequent neurological impairment. Accurate measures of heading exposure are therefore important. This study evaluated whether 12 female youth players accurately recalled their average number of headers over an entire soccer season (20 games total). Their self-reported average number of headers per game was multiplied by the number of games that they participated in, and were compared to actual number of headers extracted from game video. All players overestimated the number of headers compared to game video...
April 2018: Research in Sports Medicine
Dorianne Caruana Bonnici, Ibrahim Akubat, Matthew Greig, Andy Sparks, Lars R Mc Naughton
Soccer presents a metabolic challenge which is not necessarily matched by players' habitual dietary intake. To examine the effects of a bespoke diet, 22 players completed the Ball Sport Endurance and Sprint Test (BEAST90mod ) protocol, followed by 4 days of regulated nutritional intake. The diet consisted of 10 g∙kg-1 body mass (BM) and 1.7 g∙kg-1 BM of carbohydrate and protein, respectively. On day 5, players followed a prematch nutritional strategy of 7 g∙kg-1 BM of carbohydrate and 1 g∙kg-1 BM of protein divided into three meals and then repeated the BEAST90mod ...
April 2018: Research in Sports Medicine
Zhangqi Lai, Yu Zhang, Seullee Lee, Lin Wang
This study aims to investigate the effects of 8-week strength exercise on knee and ankle proprioception of individuals with knee osteoarthritis (KOA). Forty participants were randomly divided into control and strength exercise groups. Strength exercise group underwent squat training of three times a week for 8 weeks, while control group received an education programme. Threshold for detection of passive movement of knee and ankle joint was tested using an electrically driven movable frame. Between- and within-group differences were evaluated through repeated-measurement analysis of variance...
April 2018: Research in Sports Medicine
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