abstract：:The aim of the present study was to assess the acute effects of small changes in bicycle saddle height on gross efficiency (GE) and lower-limb kinematics. Well-trained cyclists (n = 14) performed a submaximal pedaling test (~70-75% of the v[Combining Dot Above]O2max) at constant cadence (90 rpm). It consisted of 3 ran...

journal_title：Journal of strength and conditioning research

authors： Ferrer-Roca V,Bescós R,Roig A,Galilea P,Valero O,García-López J

更新日期：2014-03-01 00:00:00

abstract：:The purpose of this study was to evaluate the contribution of the 3 main energy pathways during a 30-second elliptical all-out test (EAT) compared with the Wingate all-out test (WAT). Participants were 12 male team sport players (age, 20.3 ± 1.8 years; body mass, 74.8 ± 12.4 kg; height, 176.0 ± 9.10 cm; body fat, 12.1...

journal_title：Journal of strength and conditioning research

authors： Ozkaya O,Colakoglu M,Kuzucu EO,Delextrat A

更新日期：2014-03-01 00:00:00

abstract：:Integrated technology (IT), which includes accelerometers, global positioning systems (GPSs), and heart rate monitors, has been used frequently in public health. More recently, IT data have been used in sports settings to assess training and performance demands. However, the impact of IT in sports settings is yet to b...

journal_title：Journal of strength and conditioning research

authors： Dellaserra CL,Gao Y,Ransdell L

更新日期：2014-02-01 00:00:00

abstract：:Because of the relative newness of mouthpieces, there are few investigations into using performance mouthpieces during sport and physical activity to substantiate claims of performance enhancement. The purpose of this study was to investigate the acute effect of a commercially available, noninjury preventive, performa...

journal_title：Journal of strength and conditioning research

authors： Allen CR,Dabbs NC,Zachary CS,Garner JC

更新日期：2014-02-01 00:00:00

abstract：:Body composition can affect athletic performance. Numerous studies have documented changes in body composition in female collegiate athletes from pre- to postseason; however, longitudinal studies examining changes across years are scarce. Therefore, the primary purpose of this study was to assess longitudinal body com...

journal_title：Journal of strength and conditioning research

authors： Stanforth PR,Crim BN,Stanforth D,Stults-Kolehmainen MA

更新日期：2014-02-01 00:00:00

abstract：:The aim of this study was to provide an objective description of the locomotive activities and exercise intensity undergone during the course of an international-level match of female rugby union. Eight players were analyzed using global positioning system tracking technology. The total distance covered by the players...

journal_title：Journal of strength and conditioning research

authors： Suarez-Arrones L,Portillo J,Pareja-Blanco F,Sáez de Villareal E,Sánchez-Medina L,Munguía-Izquierdo D

更新日期：2014-02-01 00:00:00

abstract：:The purpose of this study was to determine optimal stimulation parameters and calculation methods to estimate quadriceps voluntary activation while minimizing participant discomfort. Twelve healthy adults (8 men and 4 women; mean ± SD, age = 36.8 ± 15.6 years, weight = 76.1 ± 12.9 kg, height = 170.2 ± 8.6 cm). Repeate...

journal_title：Journal of strength and conditioning research

authors： Grindstaff TL,Threlkeld AJ

更新日期：2014-02-01 00:00:00

abstract：:A bout of eccentric exercise (ECC) has the protective effect of reducing muscle damage during a subsequent bout of ECC known as the "repeated bout effect" (RBE). The purpose of this study was to determine if the RBE is greater when both bouts of ECC are performed using the same vs. different velocity of contraction. T...

journal_title：Journal of strength and conditioning research

authors： Barss TS,Magnus CR,Clarke N,Lanovaz JL,Chilibeck PD,Kontulainen SA,Arnold BE,Farthing JP

更新日期：2014-02-01 00:00:00

abstract：:This study compared conventional, complex, and contrast protocols on peak power (PP) output. Static vs. dynamic contractions were also manipulated to determine the effect of these confounding variables. Eighteen recreationally trained men [age, 21.1 ± 3.3 years; body mass, 81.7 ± 15.9 kg; height, 182.8 ± 6.2 cm; 5 rep...

journal_title：Journal of strength and conditioning research

authors： Talpey SW,Young WB,Saunders N

更新日期：2014-02-01 00:00:00

abstract：:The purpose of this study was to document the physical profiles of players on the 2011 New York Giants (NYG) team and to make comparisons with the historical literature on previous National Football League (NFL) player profiles. In this study, height, body mass (BM), body fat percentage (BF%) using skinfold measuremen...

journal_title：Journal of strength and conditioning research

authors： Pryor JL,Huggins RA,Casa DJ,Palmieri GA,Kraemer WJ,Maresh CM

更新日期：2014-01-01 00:00:00

abstract：:The purpose of the present study was to examine the body composition of National Football League (NFL) players before the start of the regular season. Four hundred eleven NFL players were measured for height, weight and lean, fat, and bone mass using dual-energy x-ray absorptiometry (DXA). Subjects were categorized by...

journal_title：Journal of strength and conditioning research

authors： Dengel DR,Bosch TA,Burruss TP,Fielding KA,Engel BE,Weir NL,Weston TD

更新日期：2014-01-01 00:00:00

abstract：:Flexibility is associated with arterial distensibility. Many individuals involved in sport, exercise, and/or fitness perform self-myofascial release (SMR) using a foam roller, which restores muscles, tendons, ligaments, fascia, and/or soft-tissue extensibility. However, the effect of SMR on arterial stiffness and vasc...

journal_title：Journal of strength and conditioning research

authors： Okamoto T,Masuhara M,Ikuta K

更新日期：2014-01-01 00:00:00

abstract：:The objectives of this study were to examine the use of the analgesics for the relief of exercise-associated pain (EAP) and to examine personal and/or exercise characteristics that might potentially predict such use in recreationally trained college-aged individuals. Recreationally trained college-aged students (N = 2...

journal_title：Journal of strength and conditioning research

authors： Brewer CB,Bentley JP,Hallam JS,Woodyard CD,Waddell DE

更新日期：2014-01-01 00:00:00

abstract：:The purpose of this study was to compare and correlate the effect of age group, sex, depth of water immersion, and the heart rate (HR) assessed out of the water on the HR behavior in individuals subjected to head-out water immersion. A total of 395 healthy individuals of both sexes, aged between 07 and 75 years, under...

journal_title：Journal of strength and conditioning research

authors： Kruel LF,Peyré-Tartaruga LA,Coertjens M,Dias AB,Da Silva RC,Rangel AC

更新日期：2014-01-01 00:00:00

abstract：:The purpose of this study was to clarify the time course of the stretching-induced decrease in maximal isometric plantar flexion torque. Nineteen women participated in 2 randomly ordered experimental trials: static 5-minute stretching or control with no stretching. The participants performed isometric maximal voluntar...

journal_title：Journal of strength and conditioning research

authors： Mizuno T,Matsumoto M,Umemura Y

更新日期：2014-01-01 00:00:00

abstract：:The purpose of the study was to examine the effects of a resistance exercise program on soccer kick biomechanics. Twenty male amateur soccer players were divided in the experimental group (EG) and the control group (CG), each consisting of 10 players. The EG followed a 10-week resistance exercise program mainly for th...

journal_title：Journal of strength and conditioning research

authors： Manolopoulos E,Katis A,Manolopoulos K,Kalapotharakos V,Kellis E

更新日期：2013-12-01 00:00:00

abstract：:The purpose of this investigation was to assess indices of muscle damage and psychological stress between young, untrained, lean, and obese men. Using a between-subject design, 19 young men (9 lean men [age, 20.1 ± 2.1 years; body mass, 71.7 ± 5.8 kg; height, 177.8 ± 8.7 cm; body fat (BF), 14.7 ± 3.5%], 5 World Health...

journal_title：Journal of strength and conditioning research

authors： Comstock BA,Thomas GA,Dunn-Lewis C,Volek JS,Szivak TK,Hooper DR,Kupchak BR,Flanagan SD,Denegar CR,Kraemer WJ

更新日期：2013-12-01 00:00:00

abstract：:Lateral shuffle and side cut (SSC) movements are defensive basketball movements where movement speed is critical to performance. The purpose of this study was to compare SSC data obtained using timing lights with motion capture system data and to determine the most appropriate method for measuring SSC performance. Shu...

journal_title：Journal of strength and conditioning research

authors： Whitting JW,de Melker Worms JL,Maurer C,Nigg SR,Nigg BM

更新日期：2013-11-01 00:00:00

abstract：:The purpose of this investigation was to quantify the effects that a practical bout of static stretching (SS) and dynamic stretching (DS) has on maximal countermovement jump (CMJ) height across a time spectrum of 25 minutes in National Collegiate Athletic Association Division I varsity volleyball players. Eleven femal...

journal_title：Journal of strength and conditioning research

authors： Kruse NT,Barr MW,Gilders RM,Kushnick MR,Rana SR

更新日期：2013-11-01 00:00:00

abstract：:This study aimed to compare functional movement screen (FMS [TM]) scores and Beighton and Horan joint mobility index (BHJMI) scores among pubescence in adolescent athletes. Sixty-six adolescents between the ages of 8 and 14 voluntarily participated in this study. The participants performed the tests of the BHJMI, the ...

journal_title：Journal of strength and conditioning research

authors： Paszkewicz JR,McCarty CW,Van Lunen BL

更新日期：2013-10-01 00:00:00

abstract：:The aim of this study was to investigate the effect of match play on the performance of technical actions in professional soccer players. Using computerized notational analysis, technical performance was quantified for the outfield players of one team during the 2010/2011 English Championship season. This retrospectiv...

journal_title：Journal of strength and conditioning research

authors： Russell M,Rees G,Kingsley MI

更新日期：2013-10-01 00:00:00

abstract：:The purpose of this study is to examine the effects of different volume and training surfaces during a short-term plyometric training program on neuromuscular performance. Twenty-nine subjects were randomly assigned to 4 groups: control group (CG, n = 5), moderate volume group (MVG, n = 9, 780 jumps), moderate volume ...

journal_title：Journal of strength and conditioning research

authors： Ramírez-Campillo R,Andrade DC,Izquierdo M

更新日期：2013-10-01 00:00:00

abstract：:Perceptions of wellness are often used by athletes and coaches to assess adaptive responses to training. The purpose of this research was to describe how players were coping with the demands of elite level Australian football over a competitive season using subjective ratings of physical and psychological wellness and...

journal_title：Journal of strength and conditioning research

authors： Gastin PB,Meyer D,Robinson D

更新日期：2013-09-01 00:00:00

abstract：:The purpose of the present study was to compare the performance in repeated sprint ability (RSA) and repeated changes-of-direction (RCOD) among elite soccer players with different age categories. Forty-nine elite soccer players from the same club and from different age categories (Pro2: n = 8, U19: n = 18, U17: n = 13...

journal_title：Journal of strength and conditioning research

authors： Dellal A,Wong del P

更新日期：2013-09-01 00:00:00

abstract：:The aim of this study was to determine which skills and factors better predicted the outcomes of regular season volleyball matches in the Spanish "Superliga" and were significant for obtaining positive results in the game. The study sample consisted of 125 matches played during the 2010-11 Spanish men's first division...

journal_title：Journal of strength and conditioning research

authors： Peña J,Rodríguez-Guerra J,Buscà B,Serra N

更新日期：2013-09-01 00:00:00

abstract：:This study assessed the effects of partial sleep deprivation on short-term maximal performances of judokas in the morning and afternoon of the following day. In a randomized design, 12 judokas completed the maximal voluntary contraction, the handgrip, and the Wingate tests before and after a judo combat. Measurements ...

journal_title：Journal of strength and conditioning research

authors： Souissi N,Chtourou H,Aloui A,Hammouda O,Dogui M,Chaouachi A,Chamari K

更新日期：2013-09-01 00:00:00

abstract：:According to the spring mass model, leg stiffness (characterized by the measure of kleg) behavior is theoretically dependent on lower limb joint and trunk stiffness. Yet, the influence of the trunk as a possible regulator of kleg is unknown. This study investigated the influence of abdominal training on kleg during ho...

journal_title：Journal of strength and conditioning research

authors： Dupeyron A,Hertzog M,Micallef JP,Perrey S

更新日期：2013-08-01 00:00:00

abstract：:The physical demands of rugby league, rugby union, and American football are significantly increased through the large number of collisions players are required to perform during match play. Because of the labor-intensive nature of coding collisions from video recordings, manufacturers of wearable microsensor (e.g., g...

journal_title：Journal of strength and conditioning research

authors： Gabbett TJ

更新日期：2013-08-01 00:00:00

abstract：:To determine the acute task and stretch-load dependency of neuromuscular impairments after muscle-damaging exercises, we examined the magnitude of strength deficits in isometric and stretch-shortening cycle (SSC) contractions after a single bout of exercise. Ten trained men performed 90 unilateral isokinetic eccentric...

journal_title：Journal of strength and conditioning research

authors： Váczi M,Rácz L,Hortobágyi T,Tihanyi J

更新日期：2013-08-01 00:00:00

abstract：:The purpose of this investigation was to determine if there were different trends in physical fatigue observed in 3 different sets, of 7 trials each, in repeated sprint training, performed in 3 different modes: straight sprinting over 30 m, shuttle sprinting over 15 + 15 m, and sprinting over 30 m with changes of dire...

journal_title：Journal of strength and conditioning research

authors： Ruscello B,Tozzo N,Briotti G,Padua E,Ponzetti F,D'Ottavio S

更新日期：2013-07-01 00:00:00

abstract：:The present study investigated the effects of 2 different power training loading schemes in Brazilian elite soccer players. Thirty-two players participated in the study. Maximum dynamic strength (1RM) was evaluated before (B), at midpoint (i.e., after 3 weeks; T1), and after 6 weeks (T2) of a preseason strength/power ...

journal_title：Journal of strength and conditioning research

authors： Loturco I,Ugrinowitsch C,Tricoli V,Pivetti B,Roschel H

更新日期：2013-07-01 00:00:00

abstract：:Over the past 30 years, endurance volumes have increased by >20% among the rowing elite; therefore, informed decisions about the value of weight training over other possible activities in periodized training plans for rowing need to be made. The purpose of this study was to quantify the changes in lower-body strength ...

journal_title：Journal of strength and conditioning research

authors： Lawton TW,Cronin JB,McGuigan MR

更新日期：2013-07-01 00:00:00

abstract：:This study investigates the performance effects of a 6-week biweekly anaerobic speed endurance production training among junior elite soccer players. Sixteen junior (age 16.9 ± 0.6 years) elite soccer players were tested in the Yo-Yo Intermittent Recovery test level 2 (IR2), 10-m and 35-m sprints, 7 × 35-m repeated-sp...

journal_title：Journal of strength and conditioning research

authors： Ingebrigtsen J,Shalfawi SA,Tønnessen E,Krustrup P,Holtermann A

更新日期：2013-07-01 00:00:00

abstract：:The purpose of this study was to test whether a long duration of aerobic high-intensity interval training is more effective than shorter intervals at a higher intensity in highly trained endurance athletes. The sample comprised of 12 male and 9 female, national-level, junior cross-country skiers (age, 17.5 ± 0.4 years...

journal_title：Journal of strength and conditioning research

authors： Sandbakk Ø,Sandbakk SB,Ettema G,Welde B

更新日期：2013-07-01 00:00:00

abstract：:We evaluated a submaximal and maximal version of the Yo-Yo intermittent recovery level 1 children's (YYIR1C) test and the Andersen test for fitness and maximal heart rate assessments of children aged 6-10 years. Two repetitions of the YYIR1C and Andersen tests were carried out within 1 week by 6- to 7-year-olds and 8-...

journal_title：Journal of strength and conditioning research

authors： Bendiksen M,Ahler T,Clausen H,Wedderkopp N,Krustrup P

更新日期：2013-06-01 00:00:00

abstract：:Team handball is an Olympic sport played professionally in many European countries. Nevertheless, a scientific knowledge regarding women's elite team handball demands is limited. Thus, the purpose of this article was to review a series of studies (n = 33) on physical characteristics, physiological attributes, physical...

journal_title：Journal of strength and conditioning research

authors： Manchado C,Tortosa-Martínez J,Vila H,Ferragut C,Platen P

更新日期：2013-06-01 00:00:00

abstract：:Squatting is a common strength training exercise used for rehabilitation, fitness training, and in preparation for competition. Knowledge about the loading and the motion of the back during the squat exercise is crucial to avoid overuse or injury. The aim of this study was the measurement and comparison of the kinemat...

journal_title：Journal of strength and conditioning research

authors： List R,Gülay T,Stoop M,Lorenzetti S

更新日期：2013-06-01 00:00:00

abstract：:The purpose of this study was to investigate the effect of a single and a double training workload with 3-kg medicine ball on the throwing speed in 2-handed overhead throwing movement. Second, what the effect of training with 3-kg medicine balls had on throwing speed with other ball weights. Forty high school students...

journal_title：Journal of strength and conditioning research

authors： van den Tillaar R,Marques MC

更新日期：2013-05-01 00:00:00

abstract：:It is generally thought that topical cooling can interfere with blood perfusion and may have positive effects on recovery from a traumatic challenge. This study examined the influence of topical cooling on muscle damage markers and hemodynamic changes during recovery from eccentric exercise. Eleven male subjects (age ...

journal_title：Journal of strength and conditioning research

authors： Tseng CY,Lee JP,Tsai YS,Lee SD,Kao CL,Liu TC,Lai C,Harris MB,Kuo CH

更新日期：2013-05-01 00:00:00

abstract：:There are many tests available to coaches and practitioners who seek to identify a point during exercise when excess lactate is being produced or hyperventilation stimulated as a result of metabolic acidosis. This investigation sought to determine the relationship between performance and the first occurrence of excess...

journal_title：Journal of strength and conditioning research

authors： Bellar D,Tomescu V,Judge LW

更新日期：2013-05-01 00:00:00