abstract：:In the basic principles of CrossFit®, the goal is to improve fitness, related to the simultaneous development of strength and endurance. This is also the main idea of concurrent training, which has been researched since the 1980s. This article aimed to analyze the acute and chronic effects of CrossFit® and to assess t...

journal_title：Journal of sports science & medicine

authors： Schlegel P

更新日期：2020-11-19 00:00:00

abstract：:During the half time of intermittent team sports, substantial physiological changes relating to acid-base balance and glycemic response affect the second-half performance. Refuel and rehydrate strategy is therefore necessary to be investigated. This field experiment assessed the acute effect of a brief mindfulness-bas...

journal_title：Journal of sports science & medicine

authors： Zhu Y,Sun F,Li C,Chow DHK,Wang K

更新日期：2020-11-19 00:00:00

abstract：:There is increasing evidence that cardiorespiratory endurance (CRE) is declining among Chinese children and youth. The 20-meter shuttle run test (20-m SRT) is considered the most effective and widely used field-based measurement of CRE for children and youth worldwide. However, there have been few attempts to set 20-m...

journal_title：Journal of sports science & medicine

authors： Zhang F,Yin X,Bi C,Li Y,Sun Y,Zhang T,Yang X,Li M,Liu Y,Cao J,Yang T,Guo Y,Song G

更新日期：2020-08-13 00:00:00

abstract：:After lower extremity injury, only half of the injured athletes return to their pre-injury sports level. Even though functional performance tests are often used to make return to sport decisions, it is unknown whether functional performance is associated with return to performance after such injuries. The aim of this ...

journal_title：Journal of sports science & medicine

authors： Vereijken A,Aerts I,Jetten J,Tassignon B,Verschueren J,Meeusen R,van Trijffel E

更新日期：2020-08-13 00:00:00

abstract：:The difference in the efficacy of altered stimulation parameters in whole-body-electromyostimulation (WB-EMS) training remains largely unexplored. However, higher impulse frequencies (>50 Hz) might be most adequate for strength gain. The aim of this study was to analyze potential differences in sports-related performa...

journal_title：Journal of sports science & medicine

authors： Berger J,Ludwig O,Becker S,Backfisch M,Kemmler W,Fröhlich M

更新日期：2020-05-01 00:00:00

abstract：:The presentation of unhealthy psychological symptoms are rising sharply in adolescents. Detrimental lifestyle behaviours are proposed as both possible causes and consequences. This study set out to compare selected measures of quality and quantity of movement between adolescents with and without unhealthy psychologica...

journal_title：Journal of sports science & medicine

authors： Mansoubi M,Weedon BD,Esser P,Mayo N,Fazel M,Wade W,Ward TE,Kemp S,Delextrat A,Dawes H

更新日期：2020-05-01 00:00:00

abstract：:The aim of this study was to evaluate the influence of contextual factors on game styles in professional soccer. Interactions between styles and different playing venues, opposition quality, total match goals, and competing styles, were investigated using logistic regression and odds ratios. Game styles were character...

journal_title：Journal of sports science & medicine

authors： Gollan S,Bellenger C,Norton K

更新日期：2020-02-24 00:00:00

abstract：:The objective of this study was to investigate the association between objectively measured patterns of sedentary behavior (SB) and physical activity (PA) and frailty status in Japanese community-dwelling older adults. Data was from 65-75 years older adults from the baseline of Itoshima Frail Study were used. Frailty ...

journal_title：Journal of sports science & medicine

authors： Chen S,Chen T,Kishimoto H,Yatsugi H,Kumagai S

更新日期：2020-02-24 00:00:00

abstract：:The purpose of this study was to investigate the mechanical similarity between net joint moments (NJM) of the countermovement jump (CMJ) and the hang power clean (HPC) and jump shrug (JS). Twelve male Lacrosse players performed three maximal effort CMJs and three repetitions of the HPC and JS at 30%, 50%, and 70% of t...

journal_title：Journal of sports science & medicine

authors： Kipp K,Suchomel TJ,Comfort P

更新日期：2019-11-19 00:00:00

abstract：:This study aimed to examine longitudinal age-related changes in muscle morphology and jump and sprint performances of youth athletes. The subjects of this longitudinal study were 41 youth male basketball players who were assigned to late, mid, and early groups based on differences regarding the estimated age at peak h...

journal_title：Journal of sports science & medicine

authors： Sekine Y,Hoshikawa S,Hirose N

更新日期：2019-11-19 00:00:00

abstract：:Despite its prevalence and significance, late life depression is underrecognized and undertreated. This study aimed to investigate the effect of a long-term exercise intervention on depressive symptoms in older Korean women. Thirty older women were assigned to exercise (n = 15, age of 80.8 ± 3.8 years) or control grou...

journal_title：Journal of sports science & medicine

authors： Jin Y,Kim D,Hong H,Kang H

更新日期：2019-08-01 00:00:00

abstract：:This study examined the effects of a specific core exercise program, as a re-warm-up regime during the half-time period, on inspiratory (IM) and core (CM) muscle functions, leg perfusion and the team sport-specific sprint performance in the initial stage of the second half of a simulated exercise task. Nine team-sport...

journal_title：Journal of sports science & medicine

authors： Tong TK,Baker JS,Zhang H,Kong Z,Nie J

更新日期：2019-08-01 00:00:00

abstract：:Female breasts are vulnerable to direct blows or frictional injuries during sport; however, little research has investigated breast injuries experienced by female athletes. This study aimed to investigate the occurrence, causes and perceived performance effects of breast injuries in elite female athletes across a wide...

journal_title：Journal of sports science & medicine

authors： Brisbine BR,Steele JR,Phillips EJ,McGhee DE

更新日期：2019-08-01 00:00:00

abstract：:Exercise program has been associated with improved cardiovascular outcomes in patients sustaining coronary artery disease. However, little is known about the role of exercise after percutaneous coronary intervention (PCI). Published literature was searched from Embase, PubMed, Wanfang Data, Cochrane Database of System...

journal_title：Journal of sports science & medicine

authors： Zhang H,Chang R

更新日期：2019-06-01 00:00:00

abstract：:Judo coaches aim to develop left-handed techniques in right-handed judoka due to a potential frequency-dependent strategic advantage during competition. Thus, easily completed tasks are needed to track the progression of the lateral preference index (percentage as right-handed actions). Thirty naïve volunteers perform...

journal_title：Journal of sports science & medicine

authors： Mayo X,Iglesias-Soler E,Dopico-Calvo X

更新日期：2019-06-01 00:00:00

abstract：:This study aimed to compare the maximal fat oxidation (MFO) rates obtained from the stage average, last 2 min average, and highest value in the Fatmax stage determined with a 6 min step protocol. A total of 35 overweight, sedentary healthy men (age: 25.4 ± 0.7 years, body mass index: 26.0 ± 0.6 kg/m2) participated in ...

journal_title：Journal of sports science & medicine

authors： Özgünen KT,Özdemir Ç,Korkmaz-Eryılmaz S,Kılcı A,Günaştı Ö,Kurdak SS

更新日期：2019-02-11 00:00:00

abstract：:This study investigated the 4-year development of anaerobic power and capacity in Austrian elite female alpine ski racers and examined the relationship between the 2-minute loaded repeated jump test (LRJT) results and ski racing performance (International Ski Federation (FIS) points). Ten Austrian elite female ski rac...

journal_title：Journal of sports science & medicine

authors： Patterson C,Platzer HP,Raschner C

更新日期：2019-02-11 00:00:00

abstract：:This study investigated the acute inflammatory response to a repeat-sprint training session in hypoxia. Eleven amateur team-sport athletes completed a repeat-sprint training in hypoxia (RSH) protocol (4 sets of 4x4-s running sprints) in both normoxia and normobaric hypoxia (FiO2 0.145 to simulate an altitude of 3000 m...

journal_title：Journal of sports science & medicine

authors： Morrison J,Larsen B,Cox AJ,Minahan C

更新日期：2018-11-20 00:00:00

abstract：:The deceleration sub-phase during the back squat (BSQ) makes it difficult to stimulate the muscles throughout the full range of motion, and it has only been reported for one load during BSQ. The purpose of this study was to investigate whether a deceleration sub-phase occurs during BSQ with different loads and to asse...

journal_title：Journal of sports science & medicine

authors： Kubo T,Hirayama K,Nakamura N,Higuchi M

更新日期：2018-11-20 00:00:00

abstract：:The aim of this single-blind randomized controlled trial was to compare the effects of plyometric jump training (PJT), with (RG) and without (NRG) between-session drill randomization, on performance measures (i.e., jumping and sprinting abilities, change of direction speed, and technical performance) in youth male bas...

journal_title：Journal of sports science & medicine

authors： Hernández S,Ramirez-Campillo R,Álvarez C,Sanchez-Sanchez J,Moran J,Pereira LA,Loturco I

更新日期：2018-08-14 00:00:00

abstract：:Our experimental approach included two studies to determine discriminative validity and test-retest reliability (study 1) as well as ecological validity (study 2) of a judo ergometer system while performing judo-specific movements. Sixteen elite (age: 23 ± 3 years) and 11 sub-elite (age: 16 ± 1 years) athletes partici...

journal_title：Journal of sports science & medicine

authors： Helm N,Prieske O,Muehlbauer T,Krüger T,Chaabene H,Granacher U

更新日期：2018-08-14 00:00:00

abstract：:Motor coordination and physical fitness are multidimensional concepts which cannot be reduced to a single variable. This study evaluated multivariate relationships among morphology, physical fitness and motor coordination in 74 pre-pubertal girls 8.0-8.9 years of age. Data included body dimensions, eight fitness items...

journal_title：Journal of sports science & medicine

authors： Luz LGO,Coelho-E-Silva MJ,Duarte JP,Valente-Dos-Santos J,Machado-Rodrigues A,Seabra A,Carmo BCM,Vaeyens R,Philippaerts RM,Cumming SP,Malina RM

更新日期：2018-05-14 00:00:00

abstract：:The primary purpose of this study was to identify potential risk factors for sports injuries in professional basketball. An observational retrospective cohort study involving a male professional basketball team, using game tracking data was conducted during three consecutive seasons. Thirty-three professional basketba...

journal_title：Journal of sports science & medicine

authors： Caparrós T,Casals M,Solana Á,Peña J

更新日期：2018-05-14 00:00:00

abstract：:The purpose of this study was to investigate the influence of the task conditions on 20-m side foot-kick accuracy among Swedish first league women's soccer players. Twenty-three players performed three side foot-kick tests under different task conditions: stationary ball using match-relevant ball speed (SBRS) and maxi...

journal_title：Journal of sports science & medicine

authors： Carlsson T,Isberg J,Nilsson J,Carlsson M

更新日期：2018-03-01 00:00:00

abstract：:Forehand groundstroke effectiveness is important for tennis success. Ball topspin angular velocity (TAV) and accuracy are important for forehand groundstroke effectiveness, and have been extensively studied, previously; despite previous, quality studies, it was unclear whether certain racquet kinematics relate to ball...

journal_title：Journal of sports science & medicine

authors： Kwon S,Pfister R,Hager RL,Hunter I,Seeley MK

更新日期：2017-12-01 00:00:00

abstract：:The Objectives of the study were to investigate whether 400 µg inhaled salbutamol influences 3 km running time-trial performance and lung function in eucapnic voluntary hyperpnoea positive (EVH+ve) and negative (EVH-ve) individuals. Fourteen male participants (22.4 ± 1.6yrs; 76.4 ± 8.7kg; 1.80 ± 0.07 m); (7 EVH+ve; 7 ...

journal_title：Journal of sports science & medicine

authors： Molphy J,Dickinson JW,Chester NJ,Loosemore M,Whyte G

更新日期：2017-12-01 00:00:00

abstract：:Compression and cold therapy used separately have shown to reduce negative effects of tissue damage. The combining compression and cold therapy (cryocompression) as a single recovery modality has yet to be fully examined. To examine the effects of cryocompression on recovery following a bout of heavy resistance exerci...

journal_title：Journal of sports science & medicine

authors： DuPont WH,Meuris BJ,Hardesty VH,Barnhart EC,Tompkins LH,Golden MJP,Usher CJ,Spence PA,Caldwell LK,Post EM,Beeler MK,Kraemer WJ

更新日期：2017-08-08 00:00:00

abstract：:The aim of this study was to investigate the effects of whole-body vibration (WBV) on vastus lateralis (VL) surface electromyographic (sEMG) amplitude during an isometric semi-squat exercise, using two different frequencies, and to verify the influence of additional filters on the analyzed sEMG signal's characteristic...

journal_title：Journal of sports science & medicine

authors： Borges DT,Macedo LB,Lins CAA,Sousa CO,Brasileiro JS

更新日期：2017-08-08 00:00:00

abstract：:There is solid evidence on the cross-training phenomenon, but the training load required to achieve it has yet to be established. The aim of this meta-analysis was to deduce which unilateral strength training load (duration, frequency, intensity, rest and type) would enable the biggest strength increases to be obtaine...

journal_title：Journal of sports science & medicine

authors： Cirer-Sastre R,Beltrán-Garrido JV,Corbi F

更新日期：2017-06-01 00:00:00

abstract：:Elevated blood lactate has been shown to influence subsequent anaerobic exercise due to an inhibition of glycolysis. The aim of the present study was therefore to investigate the influence of a short and high-intensity anaerobic arm crank pre-load exercise (HIE) added to a low-intensity warm-up on cardio-respiratory a...

journal_title：Journal of sports science & medicine

authors： Purge P,Hofmann P,Merisaar R,Mueller A,Tschakert G,Mäestu J,Jürimäe J

更新日期：2017-06-01 00:00:00

abstract：:Until recently, measurement and evaluation in sport science, especially agility testing, has not always included key elements of proper test construction. Often tests are published without reporting reliability and validity analysis for a specific population. The purpose of the present study was to examine the test re...

journal_title：Journal of sports science & medicine

authors： Langley JG,Chetlin RD

更新日期：2017-03-01 00:00:00

abstract：:The Tuck Jump Assessment (TJA) is a clinician-friendly screening tool that was designed to support practitioners with identification of neuromuscular deficits associated with anterior cruciate ligament injury. This study aimed to evaluate the inter- and intra-rater reliability of the modified scoring (0 to 2) TJA to a...

journal_title：Journal of sports science & medicine

authors： Fort-Vanmeerhaeghe A,Montalvo AM,Lloyd RS,Read P,Myer GD

更新日期：2017-03-01 00:00:00

abstract：:Influence of different load exercise to muscle activity during subsequent exercise with 75% of one repetition maximum (RM) load among trained and untrained individuals was verified. Resistance-trained men who were involved in resistance training (n = 16) and healthy young men who did not exercise regularly (n = 16) we...

journal_title：Journal of sports science & medicine

authors： Goto M,Nirengi S,Kurosawa Y,Nagano A,Hamaoka T

更新日期：2016-12-01 00:00:00

abstract：:The aim of the present study was to investigate the effect of a 14-week dynamic Whole-Body Electrostimulation (WB-EMS) training program on muscular strength, soccer relevant sprint, jump and kicking velocity performance in elite soccer players during competitive season. Twenty-two field-players were assigned to 2 grou...

journal_title：Journal of sports science & medicine

authors： Filipovic A,Grau M,Kleinöder H,Zimmer P,Hollmann W,Bloch W

更新日期：2016-12-01 00:00:00

abstract：:Stride length, hip, knee and ankle angles were compared during barefoot and shod running on a treadmill at two speeds. Nine well-trained (1500m time: 3min:59.80s ± 14.7 s) male (22 ±3 years; 73 ±9 kg; 1.79 ±0.4 m) middle distance (800 m - 5,000 m) runners performed 2 minutes of running at 3.05 m·s-1 and 4.72 m·s-1 on ...

journal_title：Journal of sports science & medicine

authors： Francis P,Ledingham J,Clarke S,Collins DJ,Jakeman P

更新日期：2016-08-05 00:00:00

abstract：:The central nervous system plays a crucial role in fatigue during endurance exercise. Branched-chain amino acids (BCAA) could reduce cerebral serotonin synthesis by competing with its precursor tryptophan for crossing the blood brain barrier. Arginine and citrulline could prevent excess hyperammonemia accompanied by B...

journal_title：Journal of sports science & medicine

authors： Cheng IS,Wang YW,Chen IF,Hsu GS,Hsueh CF,Chang CK

更新日期：2016-08-05 00:00:00

abstract：:Mountain endurance running has increased in popularity in recent years. Thus the aim of the present study was to determine if maximal oxygen uptake (VO2max) and energy cost of running (Cr) measured during level and uphill running are associated. Ten high level male endurance mountain runners performed three maximal ox...

journal_title：Journal of sports science & medicine

authors： Balducci P,Clémençon M,Morel B,Quiniou G,Saboul D,Hautier CA

更新日期：2016-05-23 00:00:00

abstract：:The aim of this study was to evaluate the effect of a repeated sprint training with multi-directional change-of-direction (COD) movements (RSmulti) compared to repeated shuttle sprints (RSS) on variables related to COD speed and reactive agility. Nineteen highly-trained male U15 soccer players were assigned into two g...

journal_title：Journal of sports science & medicine

authors： Born DP,Zinner C,Düking P,Sperlich B

更新日期：2016-05-23 00:00:00

abstract：:There has been much debate on how prophylactic ankle supports (PASs) may influence the vertical ground reaction force (vGRF) during landing. Therefore, the primary aims of this meta-analysis were to systematically review and synthesize the effect of PASs on vGRF, and to understand how PASs affect vGRF peaks (F1, F2) a...

journal_title：Journal of sports science & medicine

authors： Niu W,Feng T,Wang L,Jiang C,Zhang M

更新日期：2016-02-23 00:00:00

abstract：:Despite described benefits of aerobic high-intensity interval exercise (HIIE), the acute responses during different HIIE modes and associated health risks have only been sparsely discovered in heart disease patients. Therefore, the aim of this study was to investigate the acute responses for physiological parameters, ...

journal_title：Journal of sports science & medicine

authors： Tschakert G,Kroepfl JM,Mueller A,Harpf H,Harpf L,Traninger H,Wallner-Liebmann S,Stojakovic T,Scharnagl H,Meinitzer A,Pichlhoefer P,Hofmann P

更新日期：2016-02-23 00:00:00