Effect of forward trunk inclination on joint power output in vertical jumping.

abstract：:Jagim, AR, Camic, CL, Askow, A, Luedke, J, Erickson, J, Kerksick, CM, Jones, MT, and Oliver, JM. Sex differences in resting metabolic rate among athletes. J Strength Cond Res 33(11): 3008-3014, 2019-The purpose of this study was to compare differences in resting metabolic rate (RMR) between sexes in Division III Natio...

journal_title：Journal of strength and conditioning research

authors： Jagim AR,Camic CL,Askow A,Luedke J,Erickson J,Kerksick CM,Jones MT,Oliver JM

更新日期：2019-11-01 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：:Biomarkers of inflammation, muscle damage, and oxidative stress after high-intensity exercise have been described previously; however, further understanding of their role in the postexercise recovery period is necessary. Because these markers have been implicated in cell signaling, they may be specifically related to ...

journal_title：Journal of strength and conditioning research

authors： Bessa AL,Oliveira VN,Agostini GG,Oliveira RJ,Oliveira AC,White GE,Wells GD,Teixeira DN,Espindola FS

更新日期：2016-02-01 00:00:00

abstract：:Stojanović, E, Aksović, N, Stojiljković, N, Stanković, R, Scanlan, AT, and Milanović, Z. Reliability, usefulness, and factorial validity of change-of-direction speed tests in adolescent basketball players. J Strength Cond Res 33(11): 3162-3173, 2019-The purposes of this study were to (1) determine the reliability, use...

journal_title：Journal of strength and conditioning research

authors： Stojanović E,Aksović N,Stojiljković N,Stanković R,Scanlan AT,Milanović Z

更新日期：2019-11-01 00:00:00

abstract：:Cardio kickboxing classes have become a popular form of exercise to enhance fitness. This study surveyed kickboxing participants and instructors to ascertain the severity, type, and incidence of injuries sustained while performing cardio kickboxing exercise. The respondents consisted of 77.4% instructors and 29.3% par...

journal_title：Journal of strength and conditioning research

authors： Romaine LJ,Davis SE,Casebolt K,Harrison KA

更新日期：2003-08-01 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 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：:Repetitive overhead throwing may result in overuse injuries and a change in the pitching mechanics of a baseball pitcher. Accordingly, the purpose of this study is to quantify the changes in the muscle strength and pitching motion kinematics in the late-innings stage of a baseball game. Sixteen healthy baseball pitche...

journal_title：Journal of strength and conditioning research

authors： Pei-Hsi Chou P,Huang YP,Gu YH,Liu C,Chen SK,Hsu KC,Wang RT,Huang MJ,Lin HT

更新日期：2015-06-01 00:00:00

abstract：:The national Italian cross-country ski team has been evaluated on the basis of a new double poling cross-country roller skiing incremental test to exhaustion (DP) on a motorized driven treadmill. To verify the capacity of this specific test to predict performance, peak oxygen uptake (VO2peak), oxygen uptake at anaerob...

journal_title：Journal of strength and conditioning research

authors： Fabre N,Balestreri F,Leonardi A,Schena F

更新日期：2010-02-01 00:00:00

abstract：:This study sought to determine whether a 12-week intermittent (INT; 2 x 15 min.d(-1)) exercise program yielded similar improvements in cardiovascular health and fitness, compared with a traditional 12-week, 30-minute continuous (CON; 1 x 30 min.d(-1)) exercise program. A second purpose was to determine the effects of ...

journal_title：Journal of strength and conditioning research

authors： Quinn TJ,Klooster JR,Kenefick RW

更新日期：2006-02-01 00:00:00

abstract：:Numerous studies have shown that stretching routines can induce strength and force deficits, although the amount of stretching needed to cause these deficits remains unclear. Therefore, the purpose of the study was to examine the relationship between varying amounts of acute static stretching on jumping performance. B...

journal_title：Journal of strength and conditioning research

authors： Robbins JW,Scheuermann BW

更新日期：2008-05-01 00:00:00

abstract：:The purpose of this study was to compare energy expenditure of resistance and aerobic exercise matched for total time and relative intensity. Ten trained men (24.3 +/- 3.8 years) performed 30 minutes of intermittent free-weight squatting at 70% of 1 repetition maximum and continuous cycling at 70% of Vo(2)max, in a cr...

journal_title：Journal of strength and conditioning research

authors： Bloomer RJ

更新日期：2005-11-01 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：:The Smith machine (SM) (vertical motion of bar on fixed path; fixed-form exercise) and free weights (FWs) (free-form path) are commonly used strength training modes. Exercisers may need to alternate between types of equipment, depending on testing, training, rehabilitation, and/or the exercisers' goals. The purposes o...

journal_title：Journal of strength and conditioning research

authors： Cotterman ML,Darby LA,Skelly WA

更新日期：2005-02-01 00:00:00

abstract：:Numerous investigations have attested to the efficacy of the National Football League (NFL)-225 test to estimate one repetition maximum (1RM) bench press. However, no studies have assessed the efficacy of the test to track changes in strength across a training program. The purpose of this study was to determine the ac...

journal_title：Journal of strength and conditioning research

authors： Mann JB,Ivey PA,Stoner JD,Mayhew JL,Brechue WF

更新日期：2015-11-01 00:00:00

abstract：:The purpose was to test the validity of a nomogram to predict performance at distances ranging from the 10 km to the marathon. Official running rankings of the French Athletics Federation for the men's 10 km, 20 km, and marathon were scrutinized from 2002 to 2006. Performances of runners who competed in the 3 distance...

journal_title：Journal of strength and conditioning research

authors： Coquart JB,Alberty M,Bosquet L

更新日期：2009-10-01 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 value of warming-up is a worthy research problem because it is not known whether warming-up benefits, harms, or has no effect on individuals. The purpose of this study was to review the evidence relating to performance improvement using a warm-up. A systematic review and meta-analysis were undertaken. Relevant stu...

journal_title：Journal of strength and conditioning research

authors： Fradkin AJ,Zazryn TR,Smoliga JM

更新日期：2010-01-01 00:00:00

abstract：:Suarez, DG, Carroll, KM, Slaton, JA, Rochau, KG, Davis, MW, and Stone, MH. Utility of a shortened isometric midthigh pull protocol for assessing rapid force production in athletes. J Strength Cond Res XX(X): 000-000, 2020-The purpose of this investigation was to determine the magnitude of difference, reliability, and ...

journal_title：Journal of strength and conditioning research

authors： Suarez DG,Carroll KM,Slaton JA,Rochau KG,Davis MW,Stone MH

更新日期：2020-10-09 00:00:00

abstract：:Guilherme, JPLF, Semenova, EA, Borisov, OV, Kostryukova, ES, Vepkhvadze, TF, Lysenko, EA, Andryushchenko, ON, Andryushchenko, LB, Lednev, EM, Larin, AK, Bondareva, EA, Generozov, EV, and Ahmetov, II. The BDNF-increasing allele is associated with increased proportion of fast-twitch muscle fibers, handgrip strength, and...

journal_title：Journal of strength and conditioning research

authors： Guilherme JPLF,Semenova EA,Borisov OV,Kostryukova ES,Vepkhvadze TF,Lysenko EA,Andryushchenko ON,Andryushchenko LB,Lednev EM,Larin AK,Bondareva EA,Generozov EV,Ahmetov II

更新日期：2020-12-09 00:00:00

abstract：:This study examined the effects of a kettlebell training program on aerobic capacity. Seventeen female National Collegiate Athletic Association Division I collegiate soccer players (age: 19.7 ± 1.0 years, height: 166.1 ± 6.4 cm, weight: 64.2 ± 8.2 kg) completed a graded exercise test to determine maximal oxygen consum...

journal_title：Journal of strength and conditioning research

authors： Falatic JA,Plato PA,Holder C,Finch D,Han K,Cisar CJ

更新日期：2015-07-01 00:00:00

abstract：:Willwacher, S, Fischer, KM, Rohr, E, Trudeau, MB, Hamill, J, and Brüggemann, G-P. Surface stiffness and footwear affect the loading stimulus for lower extremity muscles when running. J Strength Cond Res XX(X): 000-000, 2020-Running in minimal footwear or barefoot can improve foot muscle strength. Muscles spanning the ...

journal_title：Journal of strength and conditioning research

authors： Willwacher S,Fischer KM,Rohr E,Trudeau MB,Hamill J,Brüggemann GP

更新日期：2020-02-04 00:00:00

abstract：:According to the American College of Sports Medicine (1), there is limited information about when to stretch during an exercise session. The purpose of this study was to determine if the placement of static stretching, either before or after a workout, would affect flexibility in the hip, knee, and ankle. Thirty colle...

journal_title：Journal of strength and conditioning research

authors： Beedle BB,Leydig SN,Carnucci JM

更新日期：2007-08-01 00:00:00

abstract：:Akenhead, R, Harley, J, and Tweddle, S. Examining the external training load of an English Premier League football team with special reference to acceleration. J Strength Cond Res 30(9): 2424-2432, 2016-Practitioners and coaches often use external training load variables such as distance run and the number of high-spe...

journal_title：Journal of strength and conditioning research

authors： Akenhead R,Harley JA,Tweddle SP

更新日期：2016-09-01 00:00:00

abstract：:This study aimed to (a) assess the reliability of the functional movement screening (FMS) protocol and (b) to establish changes in both FMS and tests of physical performance throughout a season. The reliability of the FMS components (12 in total) was assessed through a nonparametric statistical approach, based on 2 tr...

journal_title：Journal of strength and conditioning research

authors： Waldron M,Gray A,Worsfold P,Twist C

更新日期：2016-04-01 00:00:00

abstract：:Although from an athletic performance perspective it may be beneficial to undertake drop jump training when fatigued (principle of "specificity" of training), such endurance fatigue may expose the body to a greater risk of injury if it causes an increase in peak impact accelerations. This study aimed to determine if e...

journal_title：Journal of strength and conditioning research

authors： Moran KA,Clarke M,Reilly F,Wallace ES,Brabazon D,Marshall B

更新日期：2009-08-01 00:00:00

abstract：:Kilit, B and Arslan, E. Effects of high-intensity interval training vs. on-court tennis training in young tennis players. J Strength Cond Res 33(1): 188-196, 2019-This study aimed to examine the effects of 6 weeks of high-intensity interval training (HIIT) vs. 6 weeks of on-court tennis training (OTT) on the psychophy...

journal_title：Journal of strength and conditioning research

authors： Kilit B,Arslan E

更新日期：2019-01-01 00:00:00

abstract：:The purpose of this study was to examine attack and serve performances in the beginning and end of the initial and final sets of volleyball matches according to the quality of opposition. Six hundred rallies from the Men's World Cup 2007 were selectively sampled from a total of 5,117 rallies observed using video match...

journal_title：Journal of strength and conditioning research

authors： Marcelino RO,Sampaio JE,Mesquita IM

更新日期：2012-12-01 00:00:00

abstract：:Strength augmentation has been demonstrated in resistance-trained men subsequent to 4 days of training abstinence. However, this phenomenon was exhibited in an unusual circumstance in which the exercise test (seated heel raise) primarily involved an isolated skeletal muscle (soleus) that is normally comprised almost e...

journal_title：Journal of strength and conditioning research

authors： Weiss LW,Wood LE,Fry AC,Kreider RB,Relyea GE,Bullen DB,Grindstaff PD

更新日期：2004-11-01 00:00:00

abstract：:Walking is a physical activity able to maintain and improve aerobic fitness. This activity can easily be performed in all seasons both outdoors and indoors, but when it is performed in its natural environment, the use of specific equipment is required. In particular, it has been demonstrated that the use of trekking b...

journal_title：Journal of strength and conditioning research

authors： Fattorini L,Pittiglio G,Federico B,Pallicca A,Bernardi M,Rodio A

更新日期：2012-10-01 00:00:00