The effects of a weight belt on trunk and leg muscle activity and joint kinematics during the squat exercise.

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：: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：:The purpose of this study was to examine the changes to block start and early acceleration sprint kinematics with resisted sled towing. Ten male sprinters performed 12 sprints (four each of unresisted and approximately 10 and 20% body mass [BM]) for 10 m from a block start. Two-dimensional high-speed video footage (25...

journal_title：Journal of strength and conditioning research

authors： Maulder PS,Bradshaw EJ,Keogh JW

更新日期：2008-11-01 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：: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：:Liu, J, Lee, I, Feng, H-Z, Galen, SS, Hüttemann, PP, Perkins, GA, Jin, J-P, Hüttemann, M, and Malek, MH. Aerobic exercise preconception and during pregnancy enhances oxidative capacity in the hindlimb muscles of mice offspring. J Strength Cond Res 32(5): 1391-1403, 2018-Little is known about the effect of maternal exe...

journal_title：Journal of strength and conditioning research

authors： Liu J,Lee I,Feng HZ,Galen SS,Hüttemann PP,Perkins GA,Jin JP,Hüttemann M,Malek MH

更新日期：2018-05-01 00:00:00

abstract：:The factor structure and internal consistency of the Functional Movement Screen (FMS) have not been examined in a general healthcare population. Replicating the factor structure of the FMS is important because it illustrates the interdependence between each of the subtests, enabling the strength and conditioning profe...

journal_title：Journal of strength and conditioning research

authors： Koehle MS,Saffer BY,Sinnen NM,MacInnis MJ

更新日期：2016-02-01 00:00:00

abstract：:Chapman, M, Larumbe-Zabala, E, Gosss-Sampson, M, Triplett, NT, and Naclerio, F. Using perceptual and neuromuscular responses to estimate mechanical changes during continuous sets in the bench press. J Strength Cond Res 33(10): 2722-2732, 2019-This study analyzed the effectiveness of the OMNI-RES (0-10) and the electro...

journal_title：Journal of strength and conditioning research

authors： Chapman M,Larumbe-Zabala E,Goss-Sampson M,Triplett NT,Naclerio F

更新日期：2019-10-01 00:00:00

abstract：:Traditionally, baseball players have used a heavy bat for warm-up before competition. Because bat velocity is an essential component to hitting a baseball, and because players warm up differently, there is a need to investigate the best way to maximize post warm-up bat velocity. The purpose of this study was to determ...

journal_title：Journal of strength and conditioning research

authors： Montoya BS,Brown LE,Coburn JW,Zinder SM

更新日期：2009-08-01 00:00:00

abstract：:Inflammatory response and neutrophil functions in players after a futsal match. J Strength Cond Res 26(9): 2507-2514, 2012-Futsal players suffer injuries resulting from muscle fatigue and contact or collision among players. Muscle lesions can be detected by measuring muscle lesion markers such as creatine kinase (CK) ...

journal_title：Journal of strength and conditioning research

authors： de Moura NR,Cury-Boaventura MF,Santos VC,Levada-Pires AC,Bortolon J,Fiamoncini J,Pithon-Curi TC,Curi R,Hatanaka E

更新日期：2012-09-01 00:00:00

abstract：:Fitzpatrick, JF, Hicks, KM, Russell, M, and Hayes, PR. The reliability of potential fatigue-monitoring measures in elite youth soccer players. J Strength Cond Res XX(X): 000-000, 2019-Monitoring fatigue is of vital importance to practitioners; however, logistics and concerns about reliability may impede the use of cer...

journal_title：Journal of strength and conditioning research

authors： Fitzpatrick JF,Hicks KM,Russell M,Hayes PR

更新日期：2019-09-06 00:00:00

abstract：:National Collegiate Athletic Association Division I athletes were tested to determine the load at which maximal mechanical output is achieved. Athletes performed power testing at 30, 40, 50, 60, and 70% of individual 1 repetition maximum (1RM) in the squat jump, bench press, and hang pull exercises. Additionally, hang...

journal_title：Journal of strength and conditioning research

authors： Thomas GA,Kraemer WJ,Spiering BA,Volek JS,Anderson JM,Maresh CM

更新日期：2007-05-01 00:00:00

abstract：:The purpose of this study was to determine the effect of circuit training directed toward motion and action velocity over the sprint-agility and anaerobic endurance. A total of 32 healthy male physical education students with a mean age of 23.92 +/- 1.51 years were randomly allocated into a circuit training group (CTG...

journal_title：Journal of strength and conditioning research

authors： Taşkin H

更新日期：2009-09-01 00:00:00

abstract：:Neuromuscular activation during and chronic adaptation from exercise are innately linked and both can vary along a muscle's length. During high-force and high-speed exercise, intramuscular hypertrophy follows set patterns that provide the greatest biomechanical advantages. However, it is unknown if muscle activity as ...

journal_title：Journal of strength and conditioning research

authors： Earp JE,Stucchi DT,DeMartini JK,Roti MW

更新日期：2016-06-01 00:00:00

abstract：:Rago, V, Brito, J, Figueiredo, P, Ermidis, G, Barreira, D, and Rebelo, A. The arrowhead agility test: Reliability, minimum detectable change, and practical applications in soccer players. J Strength Cond Res 34(2): 483-494, 2020-Four independent studies were conducted to examine the utility of the arrowhead agility te...

journal_title：Journal of strength and conditioning research

authors： Rago V,Brito J,Figueiredo P,Ermidis G,Barreira D,Rebelo A

更新日期：2020-02-01 00:00:00

abstract：:The purpose of this study was to compare percent body fat (%BF) estimated by air displacement plethysmography (ADP) and leg-to-leg bioelectrical impedance analysis (LBIA) with hydrostatic weighing (HW) in a group (n = 25) of NCAA Division III collegiate wrestlers. Body composition was assessed during the preseason wre...

journal_title：Journal of strength and conditioning research

authors： Dixon CB,Deitrick RW,Pierce JR,Cutrufello PT,Drapeau LL

更新日期：2005-02-01 00:00:00

abstract：:Low-dose caffeine administered in chewing gum does not enhance cycling to exhaustion. The purpose of the current investigation was to examine the effect of low-dose caffeine (CAF) administered in chewing gum at 3 different time points during submaximal cycling exercise to exhaustion. Eight college-aged (26 ± 4 years),...

journal_title：Journal of strength and conditioning research

authors： Ryan EJ,Kim CH,Muller MD,Bellar DM,Barkley JE,Bliss MV,Jankowski-Wilkinson A,Russell M,Otterstetter R,Macander D,Glickman EL,Kamimori GH

更新日期：2012-03-01 00:00:00

abstract：:The purpose of this study was to investigate differences in fat-free mass and thicknesses of various muscles among judo athletes of different performance levels. The subjects were 69 male judo athletes of 3 different performance levels. Group A was composed of athletes who participated in the Olympic Games or Asian Ga...

journal_title：Journal of strength and conditioning research

authors： Kubo J,Chishaki T,Nakamura N,Muramatsu T,Yamamoto Y,Ito M,Saitou H,Kukidome T

更新日期：2006-08-01 00:00:00

abstract：:Flores, V, Becker, J, Burkhardt, E, and Cotter, J. Knee kinetics during squats of varying loads and depths in recreationally trained women. J Strength Cond Res 34(7): 1945-1952, 2020-The back squat exercise is typically practiced with varying squat depths and barbell loads. However, depth has been inconsistently defin...

journal_title：Journal of strength and conditioning research

authors： Flores V,Becker J,Burkhardt E,Cotter J

更新日期：2020-07-01 00:00:00

abstract：:Botton, CE, Radaelli, R, Wilhelm, EN, Rech, A, Brown, LE, and Pinto, RS. Neuromuscular adaptations to unilateral vs. bilateral strength training in women. J Strength Cond Res 30(7): 1924-1932, 2016-Considering the bilateral deficit, the sum of forces produced by each limb in a unilateral condition is generally greater...

journal_title：Journal of strength and conditioning research

authors： Botton CE,Radaelli R,Wilhelm EN,Rech A,Brown LE,Pinto RS

更新日期：2016-07-01 00:00:00

abstract：:Schulze, A, Laessing, J, Kwast, S, and Busse, M. Influence of a vented mouthguard on physiological responses in handball. J Strength Cond Res 34(7): 2055-2061, 2020-Mouthguards (MGs) improve sports safety. However, airway obstruction and a resulting decrease in performance are theoretical disadvantages regarding their...

journal_title：Journal of strength and conditioning research

authors： Schulze A,Laessing J,Kwast S,Busse M

更新日期：2020-07-01 00:00:00

abstract：:Although foam rolling is a common myofascial therapy used to increase range of motion (ROM), research is limited on the effectiveness of foam rolling on soft tissue extensibility. The aim of this study was to determine the effect of a 4-week training period of the foam roll method on hamstring flexibility. Furthermore...

journal_title：Journal of strength and conditioning research

authors： Junker DH,Stöggl TL

更新日期：2015-12-01 00:00:00

abstract：:Recently, athletes have transitioned from traditional static stretching during warm-ups to incorporating dynamic stretching routines. However, the optimal volume of dynamic drills is yet to be identified. The aim of this repeated-measures study was to examine varying volumes (1, 2, and 3 sets) of active dynamic stretc...

journal_title：Journal of strength and conditioning research

authors： Turki O,Chaouachi A,Behm DG,Chtara H,Chtara M,Bishop D,Chamari K,Amri M

更新日期：2012-01-01 00:00:00

abstract：:The aim of this study was to assess the bone status of dancers using calcaneal quantitative ultrasound (QUS). Twenty-four male and 26 female dancers (aged 19-36 years) and 100 age- and sex-matched nonathletic controls were included in this study. QUS parameters (broadband ultrasound attenuation [BUA], speed of sound [...

journal_title：Journal of strength and conditioning research

authors： Oral A,Tarakçi D,Dişçi R

更新日期：2006-08-01 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：:Accurate assessment of muscular strength is critical for exercise prescription and functional evaluation. The warm-up protocol may affect the precision of the 1 repetition maximum (1RM) test. Testing guidelines recommend performing both general and specific warm-ups before strength tests. The general warm-up intends t...

journal_title：Journal of strength and conditioning research

authors： Abad CC,Prado ML,Ugrinowitsch C,Tricoli V,Barroso R

更新日期：2011-08-01 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：:Ventilatory threshold (VT) has been used to measure physiological occurrences in athletes through models via gas analysis with limited accuracy. The purpose of this study is to establish a mathematical model to more accurately detect the ventilatory threshold using the ventilatory equivalent of carbon dioxide (VE/VCO2...

journal_title：Journal of strength and conditioning research

authors： Gregg JS,Wyatt FB,Kilgore JL

更新日期：2010-09-01 00:00:00

abstract：:Farinatti, P, Paes, L, Harris, EA, Lopes, GO, and Borges, JP. A simple model to identify risk of sarcopenia and physical disability in HIV-infected patients. J Strength Cond Res 31(9): 2542-2551, 2017-Early detection of sarcopenia might help preventing muscle loss and disability in HIV-infected patients. This study pr...

journal_title：Journal of strength and conditioning research

authors： Farinatti P,Paes L,Harris EA,Lopes GO,Borges JP

更新日期：2017-09-01 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