Comparison of muscle force production using the Smith machine and free weights for bench press and squat exercises.

abstract：:A relatively new and scarcely researched technique to increase strength is the use of supplemental heavy chain resistance (SHCR) in conjunction with plate weights to provide variable resistance to free weight exercises. The purpose of this case study was to determine the actual resistance being provided by a double-lo...

journal_title：Journal of strength and conditioning research

authors： Neelly KR,Terry JG,Morris MJ

更新日期：2010-01-01 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：: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：:An acute bout of traditional resistance training (TRAD) increases energy expenditure (EE) both during exercise and in the postexercise period. Reciprocal supersets (SUPERs) are a method of resistance training that alternates multiple sets of high-intensity agonist-antagonist muscle groups with limited recovery. The pu...

journal_title：Journal of strength and conditioning research

authors： Kelleher AR,Hackney KJ,Fairchild TJ,Keslacy S,Ploutz-Snyder LL

更新日期：2010-04-01 00:00:00

abstract：:Murtagh, CF, Brownlee, TE, O'Boyle, A, Morgans, R, Drust, B, and Erskine, RM. Importance of speed and power in elite youth soccer depends on maturation status. J Strength Cond Res 32(2): 297-303, 2018-Maturation status is a confounding factor when identifying talent in elite youth soccer players (ESP). By comparing pe...

journal_title：Journal of strength and conditioning research

authors： Murtagh CF,Brownlee TE,OʼBoyle A,Morgans R,Drust B,Erskine RM

更新日期：2018-02-01 00:00:00

abstract：:Lockie, RG, Schultz, AB, Callaghan, SJ, and Jeffriess, MD. The relationship between dynamic stability and multidirectional speed. J Strength Cond Res 30(11): 3033-3043, 2016-Dynamic stability is said to contribute to multidirectional (linear and change-of-direction) speed, although little research confirms this. This ...

journal_title：Journal of strength and conditioning research

authors： Lockie RG,Schultz AB,Callaghan SJ,Jeffriess MD

更新日期：2016-11-01 00:00:00

abstract：:Ruf, L, Chéry, C, Taylor, KL. Validity and reliability of the load-velocity relationship to predict the 1RM in deadlift. J Strength Cond Res 32(3): 681-689, 2018-The aim of this study was to verify the reliability and validity of using submaximal loads from the load-velocity relationship to predict the actual 1 repeti...

journal_title：Journal of strength and conditioning research

authors： Ruf L,Chéry C,Taylor KL

更新日期：2018-03-01 00:00:00

abstract：:This study examined the physical and decision-making requirements of elite Australian football (AF) umpires during match play. Twenty-nine field umpires were assessed across 20 AF League matches. Physical demands were monitored using global positioning system devices to record the total distance covered and high-speed...

journal_title：Journal of strength and conditioning research

authors： Elsworthy N,Burke D,Scott BR,Stevens CJ,Dascombe BJ

更新日期：2014-12-01 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：:Strongman exercises consist of multi-joint movements that incorporate large muscle mass groups and impose a substantial amount of neuromuscular stress. The purpose of this study was to examine salivary testosterone responses from 2 novel strongman training (ST) protocols in comparison with an established hypertrophic ...

journal_title：Journal of strength and conditioning research

authors： Ghigiarelli JJ,Sell KM,Raddock JM,Taveras K

更新日期：2013-03-01 00:00:00

abstract：:Our study purpose examined salivary hormonal responses to high-speed resistive exercise. Healthy subjects (n = 45) performed 2 elbow flexor workouts on a novel (inertial kinetic exercise; Oconomowoc, WI, USA) strength training device. Our methods included saliva sample collection at both preexercise and immediately po...

journal_title：Journal of strength and conditioning research

authors： Caruso JF,Lutz BM,Davidson ME,Wilson K,Crane CS,Craig CE,Nissen TE,Mason ML,Coday MA,Sheaff RJ,Potter WT

更新日期：2012-03-01 00:00:00

abstract：:Williams, KJ, Chapman, DW, Phillips, EJ, and Ball, N. Load-power relationship during a countermovement jump: A joint level analysis. J Strength Cond Res 32(4): 955-961, 2018-This study aimed to investigate whether hip, knee, and ankle peak power is influenced by the relative load lifted, altering the joint and system ...

journal_title：Journal of strength and conditioning research

authors： Williams KJ,Chapman DW,Phillips EJ,Ball NB

更新日期：2018-04-01 00:00:00

abstract：:The objective of this study was to investigate the potential variations in cardiorespiratory and metabolic parameters and running performance among 3 modes of exercise of the same duration, namely, intermittent running with active recovery (AR) or passive recovery (PR) and continuous running (CR) and whether these var...

journal_title：Journal of strength and conditioning research

authors： Mandroukas A,Heller J,Metaxas TI,Sendelides T,Riganas C,Vamvakoudis E,Christoulas K,Stefanidis P,Karagiannis V,Kyparos A,Mandroukas K

更新日期：2011-06-01 00:00:00

abstract：:Suitability for safe participation in aerobic exercise is typically determined by a cardiopulmonary exercise test, using a treadmill or cycle. With increased participation in strength training by healthy clients as well as rehabilitation patients, there is a need to develop a test for determining suitability for safe ...

journal_title：Journal of strength and conditioning research

authors： Swank AM,Funk DC,Manire JT,DeGruccio LA,Dimitriadis CK,Denny DM

更新日期：2005-05-01 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：:Dugdale, JH, Hunter, AM, Di Virgilio, TG, Macgregor, LJ, and Hamilton, DL. Influence of the "Slingshot" bench press training aid on bench press kinematics and neuromuscular activity in competitive powerlifters. J Strength Cond Res 33(2): 327-336, 2019-This study examined the acute effects of the "Slingshot" (SS) on be...

journal_title：Journal of strength and conditioning research

authors： Dugdale JH,Hunter AM,Di Virgilio TG,Macgregor LJ,Hamilton DL

更新日期：2019-02-01 00:00:00

abstract：:This study sought to compare the anthropometric profiles of 17 weaker and 17 stronger Australasian and Pacific powerlifters who had competed in a regional-, national-, or international-level powerlifting competition in New Zealand. Stronger lifters were defined as those having a Wilks score greater than 410, whereas t...

journal_title：Journal of strength and conditioning research

authors： Keogh JW,Hume PA,Pearson SN,Mellow PJ

更新日期：2009-11-01 00:00:00

abstract：:Fyock-Martin, MB, Erickson, EK, Hautz, AH, Sell, KM, Turnbaugh, BL, Caswell, SV, and Martin, JR. What do firefighting ability tests tell us about firefighter physical fitness? A systematic review of the current evidence. J Strength Cond Res 34(7): 2093-2103, 2020-The firefighting profession is a physiologically demand...

journal_title：Journal of strength and conditioning research

authors： Fyock-Martin MB,Erickson EK,Hautz AH,Sell KM,Turnbaugh BL,Caswell SV,Martin JR

更新日期：2020-07-01 00:00:00

abstract：:Silva, FCd, Iop, RdR, Andrade, A, Costa, VP, Gutierres Filho, PJB, and Silva, Rd. Effects of physical exercise on the expression of microRNAs: A systematic review 34(1): 270-280, 2020-Studies have detected changes in the expression of miRNAs after physical exercise, which brings new insight into the molecular control ...

journal_title：Journal of strength and conditioning research

authors： Silva FCD,Iop RDR,Andrade A,Costa VP,Gutierres Filho PJB,Silva RD

更新日期：2020-01-01 00:00:00

abstract：:Emmonds, S, Sawczuk, T, Scantlebury, S, Till, K, and Jones, B. Seasonal changes in the physical performance of elite youth female soccer players. J Strength Cond Res 34(9): 2636-2643, 2020-This study investigated the seasonal change in physical performance of 113 (Under 10: U10 [n = 20], U12 [n = 30], U14 [n = 31], an...

journal_title：Journal of strength and conditioning research

authors： Emmonds S,Sawczuk T,Scantlebury S,Till K,Jones B

更新日期：2020-09-01 00:00:00

abstract：:The purpose of this study was to investigate the effects of carbohydrate ingestion on force output and time to exhaustion using single leg static contractions superimposed with brief periods of electromyostimulation. Six trained male subjects participated in a randomized, counterbalanced, double-blind study. The subje...

journal_title：Journal of strength and conditioning research

authors： Wax B,Brown SP,Webb HE,Kavazis AN

更新日期：2012-06-01 00:00:00

abstract：:The addition of carbohydrate (CHO) to an acute creatine (Cr) loading regimen has been shown to increase muscle total creatine content significantly beyond that achieved through creatine loading alone. However, the potential ergogenic effects of combined Cr and CHO loading have not been assessed. The purpose of this st...

journal_title：Journal of strength and conditioning research

authors： Theodorou AS,Havenetidis K,Zanker CL,O'Hara JP,King RF,Hood C,Paradisis G,Cooke CB

更新日期：2005-05-01 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：:To investigate the positional physical requirements necessary to be drafted into the National Football League (NFL), data from the annual NFL combine over the years 2005-2009 were examined. Only those players invited to the combine and subsequently drafted in the same year (n = 1,136) were included in the study. Data ...

journal_title：Journal of strength and conditioning research

authors： Robbins DW

更新日期：2011-10-01 00:00:00

abstract：:The purpose of this study was to examine performance differences between starters and nonstarters and between different playing positions in collegiate female lacrosse athletes. Twenty-two subjects playing on a two-time defending National Champion National Collegiate Athletic Association Division III female lacrosse t...

journal_title：Journal of strength and conditioning research

authors： Hoffman JR,Ratamess NA,Neese KL,Ross RE,Kang J,Magrelli JF,Faigenbaum AD

更新日期：2009-08-01 00:00:00

abstract：:Research suggests that caffeine may improve performance in aerobic exercise; the evidence for anaerobic performance is mixed. This study examined the effect of caffeine (5 mg/kg body weight [BW]) vs. placebo on performance-based anaerobic exercise tests used during the National Football League (NFL) Combine. Collegiat...

journal_title：Journal of strength and conditioning research

authors： Woolf K,Bidwell WK,Carlson AG

更新日期：2009-08-01 00:00:00

abstract：:Nakamura, FY, Pereira, LA, Loturco, I, Rosseti, M, Moura, FA, and Bradley, PS. Repeated-sprint sequences during female soccer matches using fixed and individual speed thresholds. J Strength Cond Res 31(7): 1802-1810, 2017-The main objective of this study was to characterize the occurrence of single sprint and repeated...

journal_title：Journal of strength and conditioning research

authors： Nakamura FY,Pereira LA,Loturco I,Rosseti M,Moura FA,Bradley PS

更新日期：2017-07-01 00:00:00

abstract：:Talpey, SW, Young, WB, and Beseler, B. Effect of instructions on selected jump squat variables. J Strength Cond Res 30(9): 2508-2513, 2016-The purpose of this study was to compare 2 instructions on the performance of selected variables in a jump squat (JS) exercise. The second purpose was to determine the relationship...

journal_title：Journal of strength and conditioning research

authors： Talpey SW,Young WB,Beseler B

更新日期：2016-09-01 00:00:00

abstract：:Denham, J, Scott-Hamilton, J, Hagstrom, AD, and Gray, AJ. Cycling power outputs predict functional threshold power and maximum oxygen uptake. J Strength Cond Res 34(12): 3489-3497, 2020-Functional threshold power (FTP) has emerged as a correlate of lactate threshold and is commonly assessed by recreational and profess...

journal_title：Journal of strength and conditioning research

authors： Denham J,Scott-Hamilton J,Hagstrom AD,Gray AJ

更新日期：2020-12-01 00:00:00

abstract：:Unilateral and bilateral lower-body heavy resistance exercises (HREs) are used for strength training. Little research has examined whether muscle activation and testosterone (TES) responses differ between these exercises. Our purpose was to compare the effects of unilateral and bilateral lower-body HRE on muscle activ...

journal_title：Journal of strength and conditioning research

authors： Jones MT,Ambegaonkar JP,Nindl BC,Smith JA,Headley SA

更新日期：2012-04-01 00:00:00