Effects of age on testosterone responses to resistance exercise and musculoskeletal variables in men.

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：:Cooper, CN, Dabbs, NC, Davis, J, and Sauls, NM. Effects of lower-body muscular fatigue on vertical jump and balance performance. J Strength Cond Res 34(10): 2903-2910, 2020-Lower-body fatigue can lead to a decline in vertical jump (VJ) and balance performance due to decreased motor control and coordination. The purpos...

journal_title：Journal of strength and conditioning research

authors： Cooper CN,Dabbs NC,Davis J,Sauls NM

更新日期：2020-10-01 00:00:00

abstract：:Toong, T, Wilson, KE, Urban, K, Paniccia, M, Hunt, AW, Keightley, M, and Reed, N. Grip strength in youth ice hockey players: Normative values and predictors of performance. J Strength Cond Res 32(12): 3503-3511, 2018-Grip strength is a simple, valid, and reliable tool for estimating overall muscular strength, a key co...

journal_title：Journal of strength and conditioning research

authors： Toong T,Wilson KE,Urban K,Paniccia M,Hunt AW,Keightley M,Reed N

更新日期：2018-12-01 00:00:00

abstract：:Physical education (PE) programs are evolving from a traditional skill-centered model to a health-centered model that focuses on time engaged in moderate to vigorous physical activity (MVPA). However, improvements in muscular fitness and fundamental movement skills are prerequisites for continuous participation in MVP...

journal_title：Journal of strength and conditioning research

authors： Faigenbaum AD,Bush JA,McLoone RP,Kreckel MC,Farrell A,Ratamess NA,Kang J

更新日期：2015-05-01 00:00:00

abstract：:Considering that anthropometric parameters are important factors in the performance of the soccer players, the aim of this study was to explore the differences in anthropometric and somatotype characteristics of Italian young soccer players. Weight, height, body mass index, and somatotype of 112 young soccer players, ...

journal_title：Journal of strength and conditioning research

authors： Perroni F,Vetrano M,Camolese G,Guidetti L,Baldari C

更新日期：2015-08-01 00:00:00

abstract：:Sañudo, B, Rueda, D, del Pozo-Cruz, B, de Hoyo, M, and Carrasco, L. Validation of a video analysis software package for quantifying movement velocity in resistance exercises. J Strength Cond Res 30(10): 2934-2941, 2016-The aim of this study was to establish the validity of a video analysis software package in measurin...

journal_title：Journal of strength and conditioning research

authors： Sañudo B,Rueda D,Pozo-Cruz BD,de Hoyo M,Carrasco L

更新日期：2016-10-01 00:00:00

abstract：:The NFL-225 test is widely used to assess the strength level and evaluate the progress of college football players during resistance training. Despite the studies evaluating the validity of this test, there are no reports assessing its reliability. The purpose of this study was to determine the reliability and smalles...

journal_title：Journal of strength and conditioning research

authors： Mann JB,Ivey PJ,Brechue WF,Mayhew JL

更新日期：2014-05-01 00:00:00

abstract：:Simão, R, Polito, M, de Salles, BF, Marinho, DA, Garrido, ND, Santos Junior, ERT, and Willardson, JM. Acute and long-term comparison of fixed vs. self-selected rest interval between sets on upper-body strength. J Strength Cond Res XX(X): 000-000, 2020-The effects of different rest interval durations between sets has b...

journal_title：Journal of strength and conditioning research

authors： Simão R,Polito M,Freitas de Salles B,Marinho DA,Garrido ND,Junior ERTS,Willardson JM

更新日期：2020-08-18 00:00:00

abstract：:Kreutzer, A, Martinez, CA, Kreutzer, M, Stone, JD, Mitchell, JB, and Oliver, JM. Effect of ACTN3 polymorphism on self-reported running times. J Strength Cond Res 33(1): 80-88, 2019-This investigation examined the effect of ACTN3 genotype on self-reported distance running personal records (PRs). Of 94 (n = 94) recreati...

journal_title：Journal of strength and conditioning research

authors： Kreutzer A,Martinez CA,Kreutzer M,Stone JD,Mitchell JB,Oliver JM

更新日期：2019-01-01 00:00:00

abstract：:Practitioners training the older adult may benefit from a low-cost, easy-to-administer field test of upper body power. This study evaluated validity and reliability of the seated medicine ball throw (SMBT) in older adults. Subjects (n = 33; age 72.4 ± 5.2 years) completed 6 trials of an SMBT in each of 2 testing days ...

journal_title：Journal of strength and conditioning research

authors： Harris C,Wattles AP,DeBeliso M,Sevene-Adams PG,Berning JM,Adams KJ

更新日期：2011-08-01 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 current case study attempted to document the contemporary demands of elite rugby union. Players (n = 2) were tracked continuously during a competitive team selection game using Global Positioning System (GPS) software. Data revealed that players covered on average 6,953 m during play (83 minutes). Of this distance...

journal_title：Journal of strength and conditioning research

authors： Cunniffe B,Proctor W,Baker JS,Davies B

更新日期：2009-07-01 00:00:00

abstract：:Di Mascio, M, Ade, J, Musham, C, Girard, O, and Bradley, PS. Soccer-specific reactive repeated-sprint ability in elite youth soccer players: maturation trends and association with various physical performance tests. J Strength Cond Res 34(12): 3538-3545, 2020-Repeated-sprint ability is an important physical prerequisi...

journal_title：Journal of strength and conditioning research

authors： Di Mascio M,Ade J,Musham C,Girard O,Bradley PS

更新日期：2020-12-01 00:00:00

abstract：:The purpose of this study was to determine if heart rate recovery (HRR) and heart rate variability (HRV) are related to maximal aerobic fitness and selected body composition measurements. Fifty men (age = 21.9 ± 3.0 years, height = 180.8 ± 7.2 cm, weight = 80.4 ± 9.1 kg, volunteered to participate in this study. For e...

journal_title：Journal of strength and conditioning research

authors： Esco MR,Williford HN,Olson MS

更新日期：2011-08-01 00:00:00

abstract：:Ireton, MRE, Till, K, Weaving, D, and Jones, B. Differences in the movement skills and physical qualities of elite senior and academy rugby league players. J Strength Cond Res 33(5): 1328-1338, 2019-The aim of this study was to investigate (a) the differences in the movement skills and physical qualities between acade...

journal_title：Journal of strength and conditioning research

authors： Ireton MRE,Till K,Weaving D,Jones B

更新日期：2019-05-01 00:00:00

abstract：:Graham, PL, Zoeller, RF, Jacobs, PL, and Whitehurst, MA. Effect of cadence on time trial performance in recreational female cyclists. J Strength Cond Res 32(6): 1739-1744, 2018-The impact of pedaling cadence on cycling performance remains unresolved especially in female cyclists. The purpose of this study was to deter...

journal_title：Journal of strength and conditioning research

authors： Graham PL,Zoeller RF,Jacobs PL,Whitehurst MA

更新日期：2018-06-01 00:00:00

abstract：:Legerlotz, K, Kittelmann, J, Dietzel, M, Wolfarth, B, and Böhlke, N. Ice hockey-specific repeated shuttle sprint test performed on ice should not be replaced by off-ice testing. J Strength Cond Res XX(X): 000-000, 2020-Although the importance of sport-specific testing has been stated in various studies, the applicatio...

journal_title：Journal of strength and conditioning research

authors： Legerlotz K,Kittelmann J,Dietzel M,Wolfarth B,Böhlke N

更新日期：2020-03-24 00:00:00

abstract：:Physical fitness training of military recruits is an enduring focus of armies. This is important for safe and effective performance of general tasks that anyone may have to perform in a military setting as well as preparation for more specialized training in specific job specialties. Decades of studies on occupational...

journal_title：Journal of strength and conditioning research

authors： Friedl KE,Knapik JJ,Häkkinen K,Baumgartner N,Groeller H,Taylor NA,Duarte AF,Kyröläinen H,Jones BH,Kraemer WJ,Nindl BC

更新日期：2015-11-01 00:00:00

abstract：:A variety of training approaches have been shown to improve running economy in well-trained athletes. However, there is a paucity of data exploring lower-body determinants that may affect running economy and account for differences that may exist between genders. Sixty-three male and female distance runners were asses...

journal_title：Journal of strength and conditioning research

authors： Barnes KR,Mcguigan MR,Kilding AE

更新日期：2014-05-01 00:00:00

abstract：:Stretching prior to vigorous physical activity has been shown to decrease high-force muscular performance, but little is known about the effect of stretching on speed and accuracy movements. Serving percentage and radar measurements of ball speed were studied to examine the acute effect of stretching on tennis serve p...

journal_title：Journal of strength and conditioning research

authors： Knudson DV,Noffal GJ,Bahamonde RE,Bauer JA,Blackwell JR

更新日期：2004-08-01 00:00:00

abstract：:The purpose of the present study was to clarify the acute effect of dynamic stretching exercise on muscular performance during concentric dynamic constant external resistance (DCER, formally called isotonic) muscle actions under various loads. Concentric DCER leg extension power outputs were measured in 12 healthy mal...

journal_title：Journal of strength and conditioning research

authors： Yamaguchi T,Ishii K,Yamanaka M,Yasuda K

更新日期：2007-11-01 00:00:00

abstract：:Exercise or Swiss balls are increasingly being used with conventional resistance exercises. There is little evidence supporting the efficacy of this approach compared to traditional resistance training on a stable surface. Previous studies have shown that force output may be reduced with no change in muscle electromyo...

journal_title：Journal of strength and conditioning research

authors： Goodman CA,Pearce AJ,Nicholes CJ,Gatt BM,Fairweather IH

更新日期：2008-01-01 00:00:00

abstract：:SantaBarbara, NJ, Nosrat, S, Whitworth, JW, Ciccolo, JT. acute psychological effects of resistance exercise in men with symptoms of muscle dysmorphia: A pilot study. J Strength Cond Res XX(X): 000-000, 2020-This study tested the acute psychological effects of resistance exercise in men with symptoms of muscle dysmorph...

journal_title：Journal of strength and conditioning research

authors： SantaBarbara NJ,Nosrat S,Whitworth JW,Ciccolo JT

更新日期：2020-04-23 00:00:00

abstract：:Training at the load that maximizes peak mechanical power (Pmax) is considered superior for the development of power. We aimed to identify the Pmax load ('optimal load') in the jump squat and to quantify small, moderate, large, and very large substantial differences in power output across a spectrum of loads to identi...

journal_title：Journal of strength and conditioning research

authors： Nibali ML,Chapman DW,Robergs RA,Drinkwater EJ

更新日期：2013-02-01 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：:Previous studies have shown that low-intensity resistance exercises with vascular occlusion and slow movement effectively increase muscular size and strength. Researchers have speculated that local hypoxia by occlusion and slow movement may contribute to such adaptations via promoting anabolic hormone secretions by th...

journal_title：Journal of strength and conditioning research

authors： Kon M,Ikeda T,Homma T,Suzuki Y

更新日期：2012-03-01 00:00:00

abstract：:Trecroci, A, Formenti, D, Rossi, A, Esposito, F, and Alberti, G. Short-term delayed effects of Kinesio taping on sprint cycling performance. J Strength Cond Res 33(5): 1232-1236, 2019-The aim of this study was to assess short-term delayed effects of Kinesio taping (KT) on maximal cycling performance. A design with rep...

journal_title：Journal of strength and conditioning research

authors： Trecroci A,Formenti D,Rossi A,Esposito F,Alberti G

更新日期：2019-05-01 00:00:00

abstract：:Glassbrook, DJ, Helms, ER, Brown, SR, and Storey, AG. A review of the biomechanical differences between the high-bar and low-bar back-squat. J Strength Cond Res 31(9): 2618-2634, 2017-The back-squat is a common exercise in strength and conditioning for a variety of sports. It is widely regarded as a fundamental moveme...

journal_title：Journal of strength and conditioning research

authors： Glassbrook DJ,Helms ER,Brown SR,Storey AG

更新日期：2017-09-01 00:00:00

abstract：ABSTRACT:Virgile, A and Bishop, C. A narrative review of limb dominance: Task specificity and the importance of fitness testing. J Strength Cond Res XX(X): 000-000, 2020-Preferential limb function must be sustained through repetitious asymmetrical activities for continuous athletic development and, ultimately, optimal ...

journal_title：Journal of strength and conditioning research

authors： Virgile A,Bishop C

更新日期：2021-01-15 00:00:00

abstract：:The aim of this study was to analyze the changes in patellar and Achilles tendons between a group trained using eccentric overload and an untrained group within 3 days of a running session. To this end, infrared thermography (IRT) will be used. Twenty healthy male subjects were divided into 2 groups. One group perform...

journal_title：Journal of strength and conditioning research

authors： Sanz-López F,Martínez-Amat A,Hita-Contreras F,Valero-Campo C,Berzosa C

更新日期：2016-02-01 00:00:00