Influence of weight distribution asymmetry on the biomechanics of a barbell back squat.

abstract：:During resistance training protocols, people are often encouraged to target the scapular stabilizing musculature (middle and lower trapezius and serratus anterior) while minimizing shoulder prime mover activation (upper trapezius and large glenohumeral muscles) in their training regime, especially in overhead athletes...

journal_title：Journal of strength and conditioning research

authors： De Mey K,Danneels L,Cagnie B,Borms D,TʼJonck Z,Van Damme E,Cools AM

更新日期：2014-06-01 00:00:00

abstract：:The purpose of this study was to investigate the effects of rest interval (RI) length on bench press performance in subjects with disparity in maximum strength. Two cohorts of subjects performed 3 bench press protocols in random order consisting of 3 sets of up to 10 repetitions with 75% of 1-repetition maximum (1RM) ...

journal_title：Journal of strength and conditioning research

authors： Ratamess NA,Chiarello CM,Sacco AJ,Hoffman JR,Faigenbaum AD,Ross RE,Kang J

更新日期：2012-07-01 00:00:00

abstract：:The purpose of this study was to investigate the changes in the body composition, body size, muscle strength, and VO2max after 24 weeks of resistance or endurance training and detraining in young men. Thirty healthy college-aged men (20.4 ± 1.36 years) participated in the study. Subjects were assigned to resistance tr...

journal_title：Journal of strength and conditioning research

authors： Lo MS,Lin LL,Yao WJ,Ma MC

更新日期：2011-08-01 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：:Ramírez-Vélez, R, Castro-Astudillo, K, Correa-Bautista, JE, González-Ruíz, K, Izquierdo, M, García-Hermoso, A, Álvarez, C, Ramírez-Campillo, R, and Correa-Rodríguez, M. The effect of 12 weeks of different exercise training modalities or nutritional guidance on cardiometabolic risk factors, vascular parameters and phys...

journal_title：Journal of strength and conditioning research

authors： Ramírez-Vélez R,Castro-Astudillo K,Correa-Bautista JE,González-Ruíz K,Izquierdo M,García-Hermoso A,Álvarez C,Ramírez-Campillo R,Correa-Rodríguez M

更新日期：2020-08-01 00:00:00

abstract：:The purpose of the study was to examine the potential for using the mechanomyographic (MMG) signal as a biofeedback method to enhance muscular relaxation and to improve performance during forearm flexion repetitions to fatigue. Twelve adult (mean +/- SD; age: 22.0 +/- 1.1 years) moderately trained subjects (weight: 82...

journal_title：Journal of strength and conditioning research

authors： Evetovich TK,Conley DS,Todd JB,Rogers DC,Stone TL

更新日期：2007-02-01 00:00:00

abstract：:This study compared serum total testosterone (TT) and free testosterone (FT) responses of young (20-26 years, n = 8), middle-aged (38-53 years, n = 7), and older (59-72 years, n = 9) men to resistance exercise. We also examined the relationships between testosterone (T) levels and strength, bone mineral density (BMD),...

journal_title：Journal of strength and conditioning research

authors： Baker JR,Bemben MG,Anderson MA,Bemben DA

更新日期：2006-11-01 00:00:00

abstract：:Folk, AL, Garcia, CA, Whitney, SH, and Kovacs, SJ. Relationship between strength and conditioning assessments and rowing performance in female collegiate athletes. J Strength Cond Res XX(X): 000-000, 2020-The purpose of this study was to examine the relationship between strength and conditioning variables and rowing p...

journal_title：Journal of strength and conditioning research

authors： Folk AL,Garcia CA,Whitney SH,Kovacs SJ

更新日期：2020-06-24 00:00:00

abstract：:Kannas, TM, Kellis, E, and Amiridis, IG. Biomechanical differences between incline and plane hopping. J Strength Cond Res 25(12): 3334-3341, 2011-The need for the generation of higher joint power output during performance of dynamic activities led us to investigate the force-length relationship of the plantar flexors ...

journal_title：Journal of strength and conditioning research

authors： Kannas TM,Kellis E,Amiridis IG

更新日期：2011-12-01 00:00:00

abstract：:Mosier, EM, Fry, AC, and Lane, MT. Kinetic contributions of the upper limbs during countermovement. J Strength Cond Res 33(8): 2066-2073, 2019-This study examined the kinetic contributions of the upper extremities during countermovement vertical jumps (CMVJs) while using arm swing (AS) or no arm swing (NAS) conditions...

journal_title：Journal of strength and conditioning research

authors： Mosier EM,Fry AC,Lane MT

更新日期：2019-08-01 00:00:00

abstract：:This study analyzed the effect of an acute static stretching bout on the time to exhaustion (Tlim) at power output corresponding to VO2max. Eleven physically active male subjects (age 22.3+/-2.8 years, VO2max 2.7+/-0.5 L.min) completed an incremental cycle ergometer test, 2 muscle strength tests, and 2 maximal tests t...

journal_title：Journal of strength and conditioning research

authors： Samogin Lopes FA,Menegon EM,Franchini E,Tricoli V,de M Bertuzzi RC

更新日期：2010-06-01 00:00:00

abstract：:Laudner, K, Wong, R, Latal, J, and Meister, K. Descriptive profile of lumbopelvic control in collegiate baseball pitchers. J Strength Cond Res 32(4): 1150-1154, 2018-Throwing a baseball requires the transmission of forces generated in the lower extremity, through the trunk, then to the upper extremity, and ultimately ...

journal_title：Journal of strength and conditioning research

authors： Laudner KG,Wong RH,Latal JR,Meister K

更新日期：2018-04-01 00:00:00

abstract：:The purpose of this study was to determine abdominal muscle temporal responses to a leg-loading exercise protocol and if differences exist between those able and unable to minimize lumbar-pelvic motion during this protocol. The focus was a supine bilateral leg-loading task that incorporated a slide (level 4) or no sli...

journal_title：Journal of strength and conditioning research

authors： Hubley-Kozey CL,Hatfield GL,Davidson KC

更新日期：2010-05-01 00:00:00

abstract：:Sanders, DJ, Walker, AJ, Prior, KE, Poyssick, AN, and Arent, SM. Training demands and physiological profile of cross-disciplined collegiate female dancers. J Strength Cond Res XX(X): 000-000, 2019-Little is known about the physical demands of high-level dance training. Therefore, the purpose of this study was to inves...

journal_title：Journal of strength and conditioning research

authors： Sanders DJ,Walker AJ,Prior KE,Poyssick AN,Arent SM

更新日期：2019-03-15 00:00:00

abstract：:Jeffries, O, Simmons, R, Patterson, SD, and Waldron, M. Functional threshold power is not equivalent to lactate parameters in trained cyclists. J Strength Cond Res XX(X): 000-000, 2019-Functional threshold power (FTP) is derived from a maximal self-paced 20-minute cycling time trial whereby the average power output is...

journal_title：Journal of strength and conditioning research

authors： Jeffries O,Simmons R,Patterson SD,Waldron M

更新日期：2019-07-01 00:00:00

abstract：:The purpose of this study was to determine whether the addition of chains to a barbell during the performance of the snatch would invoke differences in execution compared with lifting a conventional barbell without chains. Additionally, subjects were asked whether they perceived that the addition of chains had effects...

journal_title：Journal of strength and conditioning research

authors： Coker CA,Berning JM,Briggs DL

更新日期：2006-11-01 00:00:00

abstract：:Alves, RR, Viana, RB, Silva, MH, Guimarães, TC, Vieira, CA, Santos, DdAT, and Gentil, PRV. Postactivation potentiation improves performance in a resistance training session in trained men. J Strength Cond Res XX(X): 000-000, 2019-This study aims to analyze the influence of postactivation potentiation (PAP) on performa...

journal_title：Journal of strength and conditioning research

authors： Alves RR,Viana RB,Silva MH,Guimarães TC,Vieira CA,Santos DAT,Gentil PRV

更新日期：2019-09-25 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：:Exercise professionals seeking to develop evidence-based training programs rely on several training principles demonstrated through research and professional experience. In an effort to further research examining these principles, an investigation was designed and completed to evaluate the compatibility of cardiovascu...

journal_title：Journal of strength and conditioning research

authors： Rhea MR,Oliverson JR,Marshall G,Peterson MD,Kenn JG,Ayllón FN

更新日期：2008-01-01 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：:It is commonly accepted that vertical jump performance is a good indicator of maximal joint power. Some studies, however, have indicated that knee joint power output in the vertical jump is limited due to forward trunk inclination early in the push-off. The aim of this experimental study was to investigate the effect ...

journal_title：Journal of strength and conditioning research

authors： Vanrenterghem J,Lees A,Clercq DD

更新日期：2008-05-01 00:00:00

abstract：:The aim of this study was to investigate whether a novel heart rate (HR)-running speed index could be used in monitoring adaptation to endurance training. Forty-five recreational runners underwent a 2-phased 28-week training regime. The first 14 weeks included basic endurance training, whereas the second 14 weeks were...

journal_title：Journal of strength and conditioning research

authors： Vesterinen V,Hokka L,Hynynen E,Mikkola J,Häkkinen K,Nummela A

更新日期：2014-04-01 00:00:00

abstract：:The purpose of this study was to compare anthropometric and athletic performance variables during the playing career of NCAA Division III college football players. Two hundred and eighty-nine college football players were assessed for height, body mass, body composition, 1-repetition-maximum (1RM) bench press, 1RM squ...

journal_title：Journal of strength and conditioning research

authors： Hoffman JR,Ratamess NA,Kang J

更新日期：2011-09-01 00:00:00

abstract：:The aim of this study was to compare the effects of resistance training using block periodization (BP) and weekly undulating (WUD) model on maximal strength and hypertrophy in recreationally strength trained women. Seventeen recreationally trained women were randomly assigned to either a BP group (n = 9; age = 24.7 ± ...

journal_title：Journal of strength and conditioning research

authors： Bartolomei S,Stout JR,Fukuda DH,Hoffman JR,Merni F

更新日期：2015-10-01 00:00:00

abstract：:The purpose of this study was to assess the validity and interunit reliability of 10 Hz (Catapult) and 15 Hz (GPSports) Global Positioning System (GPS) units and investigate the differences between these units as measures of team sport athlete movement demands. A team sport simulation circuit was completed by 8 traine...

journal_title：Journal of strength and conditioning research

authors： Johnston RJ,Watsford ML,Kelly SJ,Pine MJ,Spurrs RW

更新日期：2014-06-01 00:00:00

abstract：:Bogdanis, GC, Donti, O, Tsolakis, C, Smilios, I, and Bishop, DJ. Intermittent but not continuous static stretching improves subsequent vertical jump performance in flexibility-trained athletes. J Strength Cond Res 33(1): 203-210, 2019-This study examined changes in countermovement jump (CMJ) height after an intermitte...

journal_title：Journal of strength and conditioning research

authors： Bogdanis GC,Donti O,Tsolakis C,Smilios I,Bishop DJ

更新日期：2019-01-01 00:00:00

abstract：:Implementing objective methods to assess physical performance has become an invaluable component of athlete or player development, monitoring, and talent identification in distinct sports. Many sports depend heavily upon muscular strength, muscle power output, and sprint performance, especially at competition level. T...

journal_title：Journal of strength and conditioning research

authors： Marques MC,Izquierdo M

更新日期：2014-08-01 00:00:00

abstract：:The current study examined muscle DNA and protein concentrations ([ ]) and the [RNA] (assumed to represent translational capacity), [RNA]:[DNA] (assumed to represent transcriptional efficiency) and [protein]:[RNA] (assumed to represent translational efficiency) in younger vs. older participants during a resting state....

journal_title：Journal of strength and conditioning research

authors： Roberts MD,Kerksick CM,Dalbo VJ,Hassell SE,Tucker PS,Brown R

更新日期：2010-05-01 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 present study examined the impact of physical characteristics of adolescent competitive tennis players (13-18 years) on field tests of tennis performance. Results (n = 33) showed that boys were taller (p = 0.001), possessed greater wingspan (p = 0.030), had greater maximum oxygen consumption (p = 0.001), and perfo...

journal_title：Journal of strength and conditioning research

authors： Perry AC,Wang X,Feldman BB,Ruth T,Signorile J

更新日期：2004-02-01 00:00:00