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Research in Sports Medicine

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https://www.readbyqxmd.com/read/29082755/influence-of-different-types-of-compression-garments-on-exercise-induced-muscle-damage-markers-after-a-soccer-match
#1
Diego Marqués-Jiménez, Julio Calleja-González, Iñaki Arratibel-Imaz, Anne Delextrat, Fernando Uriarte, Nicolás Terrados
There is not enough evidence of positive effects of compression therapy on the recovery of soccer players after matches. Therefore, the objective was to evaluate the influence of different types of compression garments in reducing exercise-induced muscle damage (EIMD) during recovery after a friendly soccer match. Eighteen semi-professional soccer players (24 ± 4.07 years, 177 ± 5 cm; 71.8 ± 6.28 kg and 22.73 ± 1.81 BMI) participated in this study. A two-stage crossover design was chosen. Participants acted as controls in one match and were assigned to an experimental group (compression stockings group, full-leg compression group, shorts group) in the other match...
October 30, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/29067854/sex-and-age-related-differences-in-half-marathon-performance-and-competitiveness-in-the-world-s-largest-half-marathon-the-g%C3%A3-teborgsvarvet
#2
B Knechtle, P T Nikolaidis
In road runners, the age-related performance decline has been well investigated for marathoners, but little is known for half-marathoners. We analysed data from 138,616 runners (48,148 women and 90,469 men) competing between 2014 and 2016 in GöteborgsVarvet, the world's largest half-marathon. The men-to-women ratio in participants increased with age, the fastest race times were observed in age groups ˂35 and 35-39 years in women and in age group 35-39 years in men, the main effect of sex and the sex × age group interaction on race time were trivial, and the competitiveness was denser in men and in the younger age groups...
October 25, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/29067818/kinetics-of-the-lower-limb-during-two-typical-tai-chi-movements-in-the-elderly
#3
Jing Xian Li, Nok-Yeung Law
Tai Chi (TC) is a recommended exercise for elderly people; however, its loading on the joints of the lower limbs is unknown. This study examined the 3D kinetics of the lower limbs during two typical TC movements and walking in the elderly. Fifteen experienced TC practitioners participated. Ground reaction forces, joint moments and time-to-peak joint moment generation were analysed. Compared with walking, both TC movements generated significantly (1) smaller peak ground reaction forces in all directions, except the anterior; (2) larger hip extension, adduction and internal rotational moments, knee adduction/abduction and internal rotation moments and eversion/inversion and external/internal moments of ankle-foot; and (3) longer peak moment generation time for hip extension, adduction and internal rotation, knee extension and ankle dorsiflexion and inversion...
October 25, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/29067816/sex-and-age-differences-in-head-acceleration-during-purposeful-soccer-heading
#4
Jaclyn B Caccese, Thomas A Buckley, Ryan T Tierney, William C Rose, Joseph J Glutting, Thomas W Kaminski
Differences in head-neck segment mass, purposeful heading technique, and cervical strength and stiffness may contribute to differences in head accelerations across sex and age. The purpose of this study was to compare head acceleration across sex and age (youth [12-14 years old], high school and collegiate) during purposeful soccer heading. One-hundred soccer players (42 male, 58 female, 17.1 ± 3.5 years, 168.5 ± 20.3 cm, 61.5 ± 13.7 kg) completed 12 controlled soccer headers at an initial ball velocity of 11...
October 25, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/29064298/investigating-achilles-and-patellar-tendinopathy-prevalence-in-elite-athletics
#5
Ina Janssen, Henk van der Worp, Sjoerd Hensing, Johannes Zwerver
Although injury surveillance in athletics is routinely conducted, discipline-specific Achilles and patellar tendinopathy prevalence remains unknown. The purpose of this study was to explore discipline-specific tendinopathy prevalence and identify whether injury-specific risk factors differed in athletes. Elite athletes were recruited and provided information on their sport training including Achilles and patellar tendon pain history. In order to ascertain whether between-discipline differences existed, data were categorized into discipline groups...
October 24, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/29064284/pacing-in-age-group-marathoners-in-the-new-york-city-marathon
#6
Pantelis T Nikolaidis, Beat Knechtle
The aim of the study was to investigate how women and men age group runners pace during a large city marathon. We analysed changes in running speed by splits of 5 km in 20,283 women and 28,282 men age group runners competing in the 2015 edition of the "New York City Marathon". A moderate split×sex interaction on running speed (p < 0.001, η(2) = 0.108) was observed with men showing a larger decrease in speed from the fastest split (5-10 km) to the slowest one (35-40 km) than women (21.1 vs. 16.7%), and a different pattern was observed in the 25-30 km split (increase in women, decrease in men)...
October 24, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/29058470/combined-visual-and-dribbling-performance-in-young-soccer-players-of-different-expertise
#7
Evangelos Bekris, Ioannis Gissis, Ioannis Ispyrlidis, Eleftherios Mylonis, Georgia Axeti
We aimed to evaluate dribbling performance in terms of technique and visual skills assessment of both young experienced (EX, n = 24) and novice (NO, n = 24) soccer players. Both groups performed two dribbling tests with four levels of difficulty in visual signals (A1-A4 and B1-B4; B - half distance of A; 1 - no visual signal; 4 - signal with the shorter flashing time). All players performed slower when visual signals were added to the testing process (~2.5 s; p < 0.01). EX completed all tests faster than NO (~3 s, p < 0...
October 23, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/29058466/changes-in-cardiac-and-muscle-biomarkers-following-an-uphill-only-marathon
#8
Alessandro Da Ponte, Nicola Giovanelli, Guglielmo Antonutto, Daniele Nigris, Francesco Curcio, Pietro Cortese, Stefano Lazzer
The aim of the study was to evaluate changes in cardiac troponin I levels (cTnI) and the main biomarkers of skeletal muscle damage after an uphill-only marathon, along with its relationship with athletes' physiological parameters. Twenty-two runners participated in the "Supermaratona dell'Etna" (43 km, 0-2850 m AMSL). Before and immediately after the race, body mass and hydration status were measured together with blood sampling. At the end of the race, mean cTnI increased significantly in all athletes (mean +900%), and in 52% of them the cTnI values were over the normal range...
October 23, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/29058465/positional-synchronization-affects-physical-and-physiological-responses-to-preseason-in-professional-football-soccer
#9
Hugo Folgado, Bruno Gonçalves, Jaime Sampaio
This study aimed to identify changes in tactical, physical and physiological performances in large-sided games during the preseason of elite footballers. Thirty professional football players participated in several GK+8vs.8+GK large-sided games across the first four weeks of the season. Players were monitored by GPS units and heart rate monitors to quantify physical, physiological and tactical performances. The variables were compared according to the preseason period, players' positioning and professional experience...
October 23, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/28869402/the-epidemiology-of-back-neck-spine-injuries-in-national-collegiate-athletic-association-men-s-and-women-s-ice-hockey-2009-2010-to-2014-2015
#10
Alyssa B Zupon, Zachary Y Kerr, Sara L Dalton, Thomas P Dompier, Elizabeth C Gardner
This study describes the epidemiology of back/neck/spine injuries in National Collegiate Athletic Association (NCAA) men's and women's ice hockey. Data from 66 NCAA men's and 29 women's ice hockey programmes (total of 147 and 67 team-seasons, respectively) were analysed from the NCAA Injury Surveillance Program during the 2009/2010-2014/2015 academic years. In the study period, 226 and 97 back/neck/spine injuries were reported in men and women, respectively, for injury rates of 0.56 and 0.65/1000 athlete exposures...
January 2018: Research in Sports Medicine
https://www.readbyqxmd.com/read/28911250/online-editorial-board-for-volume-25-2017
#11
(no author information available yet)
No abstract text is available yet for this article.
October 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/28845695/effects-of-different-periods-of-tai-chi-exercise-on-the-kinesthesia-of-the-lower-limb-joints-of-elderly-women
#12
Liang Cheng, Shuwan Chang, Jingxian Li, Youlian Hong
This study investigated the effects of different periods of Tai Chi exercise on knee and ankle joint kinesthesia. A total of 20 Tai Chi practitioners and 19 controls completed the final test. Customized devices were used to measure the kinesthesia of the knee and ankle joints at the start, after 24 weeks and after 48 weeks of the intervention. Results showed that the 24-week Tai Chi intervention considerably improved the kinesthesia of the knee flexion and extension and ankle dorsiflexion. The 48-week Tai Chi intervention improved the kinesthesia towards knee flexion and extension, ankle dorsiflexion and plantar flexion...
October 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/28799810/acute-effects-of-whole-body-vibration-on-balance-in-persons-with-and-without-chronic-ankle-instability
#13
Nicole K Rendos, Hyung-Pil Jun, Nancy M Pickett, Karen Lew Feirman, Kysha Harriell, Sae Yong Lee, Joseph F Signorile
Chronic ankle instability (CAI) is a common condition following ankle injury that is associated with compromised balance. Whole body vibration training (WBVT) programmes are linked with improved balance and function in athletic and non-athletic populations and may improve balance in CAI. Twelve healthy and seven CAI participants completed two randomly assigned interventions. Two Power Plate® platforms were attached back to back using a Theraband®. Participants stood on the active plate and inactive plate for WBVT and sham interventions, respectively...
October 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/28826245/corrigendum
#14
(no author information available yet)
No abstract text is available yet for this article.
August 21, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/28825346/exercise-tolerance-during-vo2max-testing-is-a-multifactorial-psychobiological-phenomenon
#15
Adrian W Midgley, Keith Earle, Lars R McNaughton, Jason C Siegler, Peter Clough, Fiona Earle
Fifty-nine men completed a VO2max test and a questionnaire to establish reasons for test termination, perceived exercise reserve (difference between actual test duration and the duration the individual perceived could have been achieved if continued until physical limitation), and perception of verbal encouragement. Participants gave between 1 and 11 factors as reasons for test termination, including leg fatigue, various perceptions of physical discomfort, safety concerns, and achievement of spontaneously set goals...
August 21, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/28819996/commercial-golf-glove-effects-on-golf-performance-and-forearm-muscle-activity
#16
Graeme G Sorbie, Paul Darroch, Fergal M Grace, Yaodong Gu, Julien S Baker, Ukadike C Ugbolue
The study aimed to determine whether or not commercial golf gloves influence performance variables and forearm muscle activity during golf play. Fifteen golfers participated in the laboratory based study, each performing 8 golf swings with a Driver and 7-iron whilst wearing a glove and 8 without wearing the glove. Club head speed, ball speed and absolute carry distance performance variables were calculated. Surface electromyography was recorded from the flexor digitorum superficialis and extensor carpi radialis brevis on both forearm muscles...
August 18, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/28816504/validity-and-reliability-of-the-3-min-all-out-running-test-to-measure-critical-velocity-in-hot-environments
#17
Yu-Hsuan Kuo, Ching-Feng Cheng, Wei-Chieh Hsu, Del P Wong
This study's aim was to investigate the test-retest reliability of the 3-min all-out running test (3MRT) in hot environments. Twelve male sprinters (age 21.2 ± 1.8 years; height 1.78 ± 0.01 m; weight 71.0 ± 1.6 kg; [Formula: see text] 55.0 ± 1.0 mL kg(-1) min(-1)) performed an incremental exercise test in a laboratory, during which the first and second ventilatory thresholds (VT1 and VT2) and [Formula: see text] were determined. In addition, they performed two 3MRTs on an outdoor track in a hot environment, during which the critical velocity (CV) and anaerobic capacity (D') were estimated...
August 17, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/28816503/pubertal-development-of-body-size-and-soccer-specific-functional-capacities-in-adolescent-players
#18
Humberto Moreira Carvalho, José A Lekue, Susana M Gil, Iraia Bidaurrazaga-Letona
Pubertal growth in body size and functional capacities were examined in adolescent soccer players (n = 33). The average age at baseline was 10.9 (9.8-11.8 years). Peak height velocity (PHV) and growth curves for body mass and functional performance (countermovement jump, 15-m sprint, agility and Yo-Yo intermittent recovery test - level 1) were determined with Bayesian multilevel models. Estimates for PHV and age at PHV were 8.1 cm/year (95% credible interval: 4.2-18.5 cm/year) and 12.9 years (95% credible interval: 11...
August 17, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/28799815/acute-cardiovascular-responses-to-multiple-sets-of-high-velocity-resistance-exercise-in-healthy-adults
#19
Toshiaki Miyamoto, Hiroyuki Kamada, Toshio Moritani
The aim of this study is examining the effects of multiple sets of high-velocity resistance exercise (HVRE) on cardiovascular responses. Fifteen healthy adult men participated in two experimental sessions: one comprised three sets of resistance exercise performed against high-intensity resistance exercise (HIRE) at low velocity and the other three sets of HVRE performed against reduced load at high velocity. Blood pressure (BP), heart rate (HR), stroke volume (SV) and cardiac output (CO) during both sessions were evaluated using impedance electrocardiography...
August 11, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/28797173/sphenoid-sinus-barotrauma-in-diving-case-series-and-review-of-the-literature
#20
Jochen D Schipke, Sinclair Cleveland, Markus Drees
About 50% of scuba divers have suffered from barotrauma of the ears and about one-third from barotrauma of paranasal sinuses. The sphenoid sinuses are rarely involved. Vital structures, as internal carotid artery and optic nerve, adjoin the sphenoid sinus. Thus, barotrauma could lead to serious neurologic disorders, including blindness. After searching the literature (Medline) and other sources (Internet), we present some cases of sphenoid sinus barotrauma, because these injuries may be underreported and misdiagnosed due to the lack of awareness and knowledge...
August 10, 2017: Research in Sports Medicine
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