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Journal of Sports Medicine and Physical Fitness

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https://www.readbyqxmd.com/read/30317843/gait-parameters-in-physically-active-and-inactive-elderly-as-well-as-young-community-living-people
#1
Éva Kovács, András Simon, Anna N Petridisz, Réka L Erdős, Franciska Rozs, Anikó Virág
AIM: This study aimed to reveal the effects of a complex exercise programme on gait among older people through analysing the gait parameters in three groups: (1) older individuals participating in complex execise programme called 60+; (2) older individuals who were physically inactive; and (3) young individuals. METHODS: Fifty seven community-living individuals were enrolled in this study. Variability of step length, step time, step width, and double support ratio as well as automaticity were measured...
October 10, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/30317842/reliability-and-validity-of-a-self-administered-arabic-version-of-the-global-physical-activity-questionnaire-gpaq-a
#2
Ciaran Doyle, Asaduzzaman Khan, Nicola Burton
BACKGROUND: The primary objective of this study was to assess the test-retest reliability of the Arabic language version of the Global Physical Activity Questionnaire (GPAQ-A). Additionally, the study assessed criterion validity of the instrument. METHODS: Emirati university students (n=93) were asked to complete the GPAQ-A on two occasions (7 days apart). A subset of 48 participants wore an accelerometer for 7 days after which they completed the GPAQ-A. RESULTS: Test-retest reliability of the GPAQ-A was acceptable for moderate to vigorous physical activity (MVPA) (ρ = 0...
October 10, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/30317841/changes-in-muscle-hardness-after-a-full-marathon-appear-different-even-intramuscularly
#3
Takayuki Inami, Kento Nakagawa, Mako Fukano, Takahisa Yonezu, Ayako Higashihara, Satoshi Iizuka, Takaya Narita, Mitsuyoshi Murayama
No abstract text is available yet for this article.
October 10, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/30317840/acute-and-chronic-effects-of-soccer-game-on-the-retinal-vessel-diameters-in-middle-aged-adults
#4
Rima Solianik, Vytautas Streckis, Daiva Imbrasiene, Alvydas Paunksnis
BACKGROUND: Although changes in retinal vessel diameter is a new biomarker for the evaluation of cardiovascular risk factors, limited information is available regarding the effects of endurance exercises on retinal microcirculation. Thus, we aimed to evaluate both chronic and acute effects of soccer game on the diameters of retinal vessels in middle-aged players. METHODS: Retinal vessel diameters were measured in 12 middle-aged amateur players (44.4 ± 7.0 years of age) with more than four years of soccer playing experience and 12 age matched sedentary adults (49...
October 10, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/30317839/kayaking-performance-is-altered-in-mentally-fatigued-young-elite-athletes
#5
Walter Staiano, Andrea Bosio, Gaia Piazza, Marco Romagnoli, Pietro L Invernizzi
BACKGROUND: The present study aimed to assess the impact of 60 min of a cognitive demanding task inducing mental fatigue (Stroop) on kayaking performance in young elite athletes. The second objective was to elucidate the effect of mental fatigue on performance in a population of young under-17 elite athletes of national. METHODS: Thirteen under-17 elite kayakers completed 60 min of an incongruent Stroop color-word test, or the equivalent time in a control condition in a cross-over study design...
October 10, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/30317838/maximal-oxygen-uptake-improvement-of-paralympic-champion-in-cross-country-skiing-10-year-follow-up
#6
Gawroński Wojciech
No abstract text is available yet for this article.
October 10, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/30317837/whole-body-vibration-training-improves-the-balance-ability-and-leg-strength-of-athletic-throwers
#7
Yuta Takanashi, Yu Chinen, Shigeo Hatakeyama
BACKGROUND: Physical strength improvements have been observed with whole-body vibration training (WBVT); however, the appropriate load and duration have not been determined. Furthermore, studies on WBVT in throwing athletes, for whom power training is important, are lacking. Therefore, we examined the effectiveness of lower limb training by WBVT in male throwing athletes. METHODS: Fourteen male throwing athletes were enrolled. Lower limbs training (squat, single-leg squat, forward lunge, and side lunge) was performed with WBVT (n=7) or without WBVT (n=7)...
October 10, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/30317836/evolutions-in-the-physiology-of-skiing-skating-and-running-in-the-olympics
#8
Kjell Hausken
Cross country skiing, biathlon, Nordic combined, short track speed skating, and speed skating, (12+11+3+8+14=48 events), i.e. five of the 15 disciplines in the 2018 Winter Olympics, require participants to reach the finish line in minimum time, while exerting mechanical propulsion power through flat terrain, uphill, and downhill. This article compares distances and times for these disciplines systematically with each other and with running, walking, and swimming in the Summer Olympics. Regarding physiological implications, the absence of distances below 6 km in biathlon, 5 km in Nordic combined, 1...
October 10, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/30317835/recovery-in-volleyball
#9
Julio Calleja-Gonzalez, Juan Mielgo-Ayuso, Braulio Sanchez-Ureña, Sergej M Ostojic, Nicolas Terrados
INTRODUCTION: In current team sports (including volleyball), the players have to play numerous competitive matches without time to recover. Volleyball can be defined as a moderate duration exercise including repeated bouts of high- intensity activity interspersed with brief periods of low to moderate active recovery or passive rest. A match is characterized by repeated explosive activities, such as: jumps, shuffles and rapid changes in direction. EVIDENCE ACQUISITION: To guarantee adequate recovery after matches, it is necessary to know the type of fatigue induced and if possible its underlying mechanisms...
October 10, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/30317834/level-and-sport-specific-star-excursion-balance-test-performance-in-female-volleyball-players
#10
Jacopo A Vitale, Nicolò D Vitale, Luca Cavaleri, Enrico Dazzan, Giovanni Lombardi, Paolo Mascagni, Antonio La Torre, Giuseppe Banfi
BACKGROUND: Investigations of Star Excursion Balance Test (SEBT) performance differences between competition levels and sports are limited and results are inconsistent. The aims of the present study are: 1) to compare SEBT performance between elite and semi-professional female volleyball players; 2) to evaluate differences in SEBT scores between positions (Hitters, Middle Blockers, Setters, and Liberoes); and 3) to compare dynamic balance characteristics between professional female Italian volleyball players with NCAA Division I female athletes practicing six different sports (hockey, football, basketball, golf, softball, and volleyball)...
October 10, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/30293412/injury-patterns-in-professional-motorbike-racing-a-retrospective-analysis-of-728-falls
#11
Holger Keil, Detlev Reimers, Manuel Lingner, Thomas Kammermeyer, Jochen Franke, Paul A Grützner, Matthias Münzberg, Michael Kreinest
BACKGROUND: In professional motorbike racing falls with high velocities are common. Nonetheless, severe injuries or deaths are rare when compared to regular road traffic. METHOD: In this study, falls in all courses of the largest German race series IDM*Superbike between 2007 and 2013 were analyzed regarding injury patterns and hospital admissions. All races were accompanied by a medical team, including at least one physician who assessed every patient. RESULTS: 728 falls were included...
October 1, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/30293411/extracorporeal-shock-wave-therapy-for-isokinetic-muscle-strength-around-the-knee-joint-in-athletes-with-patellar-tendinopathy
#12
Liang Cheng, Shuwan Chang, Li Qian, Yayi Wang, Ming Yang
BACKGROUND: The aim of this study was to explore the efficacy of 16 weeks of extracorporeal shockwave therapy in athletes with patellar tendinopathy. METHODS: Athletes with patellar tendinopathy were matched for age, height and body weight and assigned to the experimental group (n=26) or control group (n=25). Subjects in the experimental group received 16 rounds (once per week) of extracorporeal shockwave therapy (2,000 single shocks; strength, 1.5 to 3.0 bar; shock frequency, 9 to 12 Hz)...
October 1, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/30293410/the-provision-of-simple-written-material-does-not-significantly-improve-physical-activity-rates-in-a-population-with-musculoskeletal-problems-a-double-blinded-randomised-controlled-trial
#13
Patrick C Wheeler
BACKGROUND: Physical activity has been shown to have significant health benefits to individuals, being effective in the treatment and prevention of multiple different conditions. However, despite these benefits, rates of physical activity remain low in the western world and less than 40% of people in the UK meet physical activity recommendations. Musculoskeletal pain can be a barrier to activity, and patients with pain can stop all activity out of fear of harm. This project seeks to see if simple written advice can influence activity rates and behaviours...
October 1, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/30293409/pre-cancer-diagnosis-cardiorespiratory-fitness-physical-activity-and-cancer-mortality-in-men
#14
Baruch Vainshelboim, Ricardo M Lima, Kerem Shuval, Kelley Pettee Gabriel, Jonathan Myers
BACKGROUND: The preventive role of pre-cancer diagnosis cardiorespiratory fitness (CRF) and physical activity (PA) in cancer mortality is poorly characterized. AIM: To assess the association between CRF, PA at pre-cancer-diagnosis and cancer mortality in men who diagnosed with cancer later in life. METHODS: A total of 699 men (63±10 years) who were diagnosed with cancer during 7.5±4.9 years from a baseline treadmill exercise test and reported PA were analyzed...
October 1, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/30293408/bench-press-performance-during-an-intermittent-hypoxic-resistance-training-to-muscle-failure
#15
Ismael Martínez-Guardado, Braulio Sánchez-Ureña, Guillermo Olcina, Alba Camacho-Cardenosa, Marta Camacho-Cardenosa, Rafael Timón
BACKGROUND: Resistance training performed under hypoxia conditions has been shown to cause major metabolic and hormonal responses. However, the influence of hypoxia on an acute session has been barely studied. The aim of this study was to evaluate the acute effects of an intermittent hypoxic resistance training (IHRT) to muscle failure on bench press performance. METHODS: A randomized crossover design was performed, and 25 untrained men performed a resistance training under two different conditions: normoxia (FIO2=21%) and high-level hypoxia (FIO2=13%)...
October 1, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/30293407/nutrition-hydration-and-ergogenic-aids-strategies-in-ultraendurance-mountain-events
#16
Pedro Belinchón-Demiguel, Vicente J Clemente-Suárez
BACKGROUND: The purpose of the present research was to analyze nutrition, hydration and ergogenic aids strategies in ultraendurance mountain events. METHODS: A total of 386 ultra endurance mountain races finishers were analyzed. They were divided into three groups according to their race distance: G1: distance less than 45 km (n: 250); G2 distances between 45 and 90 km (n: 71); G3 distances longer than 90 km (n: 65). The ergogenic, nutritional and hydration strategies were quantified after each race by a questionnaire...
October 1, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/30293406/effects-of-a-home-based-exercise-rehabilitation-program-for-cancer-survivors
#17
Laura Stefani, Riggs Klika, Gabriele Mascherini, Francesca Mazzoni, Alice Lunghi, Cristian Petri, Paolo Petreni, Francesco Di Costanzo, Nicola Maffulli, Giorgio Galanti
BACKGROUND: Aerobic and resistance exercises have been promoted recently to improve quality of life in cancer patients. Most cancer survivorship rehabilitation programs consists of supervised exercise programs; however, less data is available on the effects of unsupervised or home-based exercise interventions. The study aimed to compare the physical and physiologic changes in a group of cancer survivors (CS) and a control group of non-cancer, health controls (HC) who participated in individualized home-based aerobic and resistance exercises for 12 months...
October 1, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/30293405/therapeutic-validity-of-exercise-interventions-in-the-management-of-fibromyalgia
#18
Inmaculada C Álvarez-Gallardo, Julia Bidonde, Angela Busch, Marie Westby, Glen P Kenny, Manuel Delgado-Fernández, Ana Carbonell-Baeza, Prinon Rahman, Gino De Angelis, Lucie Brosseau
BACKGROUND: This study aimed (1) to evaluate the therapeutic validity of exercise interventions included in a previous umbrella systematic review of high-quality randomized controlled trials (RCTs) in the management of fibromyalgia; and (2) to explore whether exercise interventions with high therapeutic validity and that meet the 2013 American College of Sports Medicine (ACSM) guidelines are positively associated with greater pain relief. METHODS: Therapeutic validity was evaluated based on the CONsensus on Therapeutic Exercise and Training (CONTENT) scale, in high methodological quality RCTs found in the nine systematic reviews of a previous umbrella review on exercise interventions in the management of fibromyalgia...
October 1, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/30293404/changes-in-diet-and-the-relationship-between-diet-and-physical-activity-within-and-across-the-lifetime-of-current-ultra-endurance-exercisers
#19
Karen L Birkenhead, Susan I Barr, Geoff Lovell, Colin Solomon
BACKGROUND: There is currently no information on the lifetime diet of ultra-endurance exercisers. This study describes changes in diet across the lifetime of current ultra-endurance exercisers and the relationship between diet and physical activity (specifically ultra-endurance exercise [UEE]). METHODS: Lifetime physical activity and diet were assessed in current ultra-endurance exercisers (n=120; ages 21-74 years) over six life periods (5-12, 13-18, 19-30, 31-45, 46-60, 61-75 years)...
October 1, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/30293403/changes-in-rectus-femoris-architecture-induced-by-the-reverse-nordic-hamstring-exercises
#20
Diego Alonso-Fernandez, Rosana Fernandez-Rodriguez, Rocío Abalo-Núñez
BACKGROUND: Injuries and mechanical stimuli alter the muscle architecture and, therefore, its function. The changes in the architecture of the Rectus Femoris (RF) induced by an eccentric training protocol with Reverse Nordic Hamstring exercises (RNHE) have never been studied. Therefore, the aim of the present study was to determine the architectural adaptations of the Rectus Femoris (RF) after an eccentric training with Reverse Nordic Hamstring exercises (RNHE), followed by a subsequent detraining period...
October 1, 2018: Journal of Sports Medicine and Physical Fitness
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