The Effects of a Periodized vs. Traditional Military Training Program on 2-Mile Run Performance During the Army Physical Fitness Test (APFT).

abstract：:We analyze the outcome on testosterone (T) and cortisol (C) responses in 12 professional basketball players during a season of competition. Serum adrenocorticotropic hormone (ACTH), C, total testosterone (TT), and free testosterone (FT) levels were analyzed in October, December, March, and April. A day after the games...

journal_title：Journal of strength and conditioning research

authors： Martínez AC,Seco Calvo J,Tur Marí JA,Abecia Inchaurregui LC,Orella EE,Biescas AP

更新日期：2010-04-01 00:00:00

abstract：:Firefighters are required to perform a variety of strenuous occupational tasks that require high levels of both aerobic and anaerobic fitness. Thus, it is critical that firefighters train at an appropriate intensity to develop adequate levels of aerobic and anaerobic fitness. Circuit training is a unique training meth...

journal_title：Journal of strength and conditioning research

authors： Abel MG,Mortara AJ,Pettitt RW

更新日期：2011-10-01 00:00:00

abstract：:Ouergui, I, Benyoussef, A, Houcine, N, Abedelmalek, S, Franchini, E, Gmada, N, Bouhlel, E, and Bouassida, A. Physiological responses and time-motion analysis of kickboxing: differences between full contact, light contact, and point fighting contests. J Strength Cond Res XX(X): 000-000, 2019-This study investigated the...

journal_title：Journal of strength and conditioning research

authors： Ouergui I,Benyoussef A,Houcine N,Abedelmalek S,Franchini E,Gmada N,Bouhlel E,Bouassida A

更新日期：2019-05-24 00:00:00

abstract：:There has recently been a growing interest in long-term athletic development for youth. Because of their unique physical, psychological, and social differences, children and adolescents should engage in appropriately prescribed exercise programs that promote physical development to prevent injury and enhance fitness b...

journal_title：Journal of strength and conditioning research

authors： Lloyd RS,Cronin JB,Faigenbaum AD,Haff GG,Howard R,Kraemer WJ,Micheli LJ,Myer GD,Oliver JL

更新日期：2016-06-01 00:00:00

abstract：:Anthropometric equations, based on 2-compartment models, have been routinely used to estimate body composition in female college athletes; however, these equations are not without error. In an attempt to decrease the error associated with anthropometric equations, updated equations were developed using multiple-compar...

journal_title：Journal of strength and conditioning research

authors： Moon JR,Tobkin SE,Smith AE,Lockwood CM,Walter AA,Cramer JT,Beck TW,Stout JR

更新日期：2009-07-01 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：:Compression garments (CGs) have been previously shown to enhance proprioception; however, this benefit has not been previously shown to transfer to improved performance in sports skills. The purpose of this study was to assess whether enhanced proprioception and comfort can be manifested in improved sports performance...

journal_title：Journal of strength and conditioning research

authors： Hooper DR,Dulkis LL,Secola PJ,Holtzum G,Harper SP,Kalkowski RJ,Comstock BA,Szivak TK,Flanagan SD,Looney DP,DuPont WH,Maresh CM,Volek JS,Culley KP,Kraemer WJ

更新日期：2015-09-01 00:00:00

abstract：:Knechtle, B and Nikolaidis, PT. The age of peak marathon performance in cross-country skiing-the "Engadin Ski Marathon." J Strength Cond Res 32(4): 1131-1136, 2018-The age of the best endurance performance has been well investigated in flat city running marathons. However, we have no knowledge about the age of peak ma...

journal_title：Journal of strength and conditioning research

authors： Knechtle B,Nikolaidis PT

更新日期：2018-04-01 00:00:00

abstract：:Andersen, JT, Sinclair, PJ, McCabe, CB, and Sanders, RH. Kinematic differences in shoulder roll and hip roll at different front crawl speeds in National Level Swimmers. J Strength Cond Res 34(1): 20-25, 2020-Dry-land strength training is a common component of swimming programs; however, its efficacy is contentious. A ...

journal_title：Journal of strength and conditioning research

authors： Andersen JT,Sinclair PJ,McCabe CB,Sanders RH

更新日期：2020-01-01 00:00:00

abstract：:The purpose of this study was to investigate the effect of 4 different step detection thresholds (10, 15, 20, and 30% body mass [BM]) on the kinetics and kinematics of a youth population sprinting on a Woodway nonmotorized treadmill (NMT). A total of 16 male youth athletes sprinted 30 m from a split start position. Of...

journal_title：Journal of strength and conditioning research

authors： Cronin JB,Rumpf MC

更新日期：2014-10-01 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：ABSTRACT:Ortega-Becerra, M, Sánchez-Moreno, M, and Pareja-Blanco, F. Effects of cluster set configuration on mechanical performance and neuromuscular activity. J Strength Cond Res 35(2): 310-317, 2021-The aim of this study was to compare the effects of different cluster set (CS) configurations on mechanical performance...

journal_title：Journal of strength and conditioning research

authors： Ortega-Becerra M,Sánchez-Moreno M,Pareja-Blanco F

更新日期：2021-02-01 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 purpose of this study was to determine the effect of football equipment and running surface on sprint performance in NCAA Division II football players (n = 68). Players were timed in the 40-yd sprint on an indoor rubberized track (Day 1) and on an outdoor, natural-grass football field (Day 2) wearing either regula...

journal_title：Journal of strength and conditioning research

authors： Brechue WF,Mayhew JL,Piper FC

更新日期：2005-11-01 00:00:00

abstract：:This study investigates the performance effects of a 6-week biweekly anaerobic speed endurance production training among junior elite soccer players. Sixteen junior (age 16.9 ± 0.6 years) elite soccer players were tested in the Yo-Yo Intermittent Recovery test level 2 (IR2), 10-m and 35-m sprints, 7 × 35-m repeated-sp...

journal_title：Journal of strength and conditioning research

authors： Ingebrigtsen J,Shalfawi SA,Tønnessen E,Krustrup P,Holtermann A

更新日期：2013-07-01 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：:This study assessed muscle fatigue patterns of the elbow flexors in untrained men and women to determine if sex differences exist during acute maximal eccentric exercise. High-intensity eccentric exercise is often used by athletes to elicit gains in muscle strength and size gains. Development of fatigue during this ty...

journal_title：Journal of strength and conditioning research

authors： Hubal MJ,Rubinstein SR,Clarkson PM

更新日期：2008-07-01 00:00:00

abstract：:Zourdos, MC, Goldsmith, JA, Helms, ER, Trepeck, C, Halle, JL, Mendez, KM, Cooke, DM, Haischer, MH, Sousa, CA, Klemp, A, and Byrnes, RK. Proximity to failure and total repetitions performed in a set influences accuracy of intraset repetitions in reserve-based rating of perceived exertion. J Strength Cond Res XX(X): 000...

journal_title：Journal of strength and conditioning research

authors： Zourdos MC,Goldsmith JA,Helms ER,Trepeck C,Halle JL,Mendez KM,Cooke DM,Haischer MH,Sousa CA,Klemp A,Byrnes RK

更新日期：2019-02-07 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 purpose of this study was to describe the physiological profile of responders (>20 mmol.kg(-1) dry weight [dw] increase in total intramuscular creatine monohydrate [Cr] + phosphorylated creatine [PCr]) versus nonresponders (<10 mmol.kg(-1) dw increase) to a 5-day Cr load (0.3 g.kg(-1).d(-1)) in 11 healthy men (mea...

journal_title：Journal of strength and conditioning research

authors： Syrotuik DG,Bell GJ

更新日期：2004-08-01 00:00:00

abstract：:The purpose of this study was to investigate the force-velocity response of the neuromuscular system to a variety of concentric only, stretch-shorten cycle, and ballistic bench press movements. Twenty-seven men of an athletic background (21.9 +/- 3.1 years, 89.0 +/- 12.5 kg, 86.3 +/- 13.6 kg 1 repetition maximum [1RM]...

journal_title：Journal of strength and conditioning research

authors： Cronin JB,McNair PJ,Marshall RN

更新日期：2003-02-01 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：:Delaney, JA, Cummins, CJ, Thornton, HR, and Duthie, GM. Importance, reliability and usefulness of acceleration measures in team sports. J Strength Cond Res 32(12): 3494-3502, 2018-The ability to accelerate, decelerate, and change direction efficiently is imperative to successful team sports performance. Traditional in...

journal_title：Journal of strength and conditioning research

authors： Delaney JA,Cummins CJ,Thornton HR,Duthie GM

更新日期：2018-12-01 00:00:00

abstract：:Glass, SC, and Albert, RW. Compensatory muscle activation during unstable overhead squat using a water-filled training tube. J Strength Cond Res 32(5): 1230-1237, 2018-The purpose of this study was to assess compensatory muscle activation of core and support muscle during an overhead squat using a water-filled trainin...

journal_title：Journal of strength and conditioning research

authors： Glass SC,Albert RW

更新日期：2018-05-01 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：: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：:The physical benefits of a functional exercise circuit are not well known in an elderly population. The purpose of this study was to evaluate the effect of a functional exercise circuit on mobility and perceived health in the elderly. Subjects were 119 men and women (aged 74 [+/-4.2] years) who received pre- and postt...

journal_title：Journal of strength and conditioning research

authors： Whitehurst MA,Johnson BL,Parker CM,Brown LE,Ford AM

更新日期：2005-08-01 00:00:00

abstract：:The purposes of this study were firstly to investigate whether learning affects were present in the administration of 4 hop tests and the Agility T-test and secondly to assess the between-session reliability of these tests. Twenty-two recreational athletes (11 women: age 22.3 ± 3.7 years, height 167.7 ± 6.2 cm, weight...

journal_title：Journal of strength and conditioning research

authors： Munro AG,Herrington LC

更新日期：2011-05-01 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：:Physiological, anthropometric, and power profiling data were retrospectively analyzed from 4 elite taekwondo athletes from the Australian National Olympic team 9 weeks from Olympic departure. Power profiling data were collected weekly throughout the 9-week period. Anthropometric skinfolds generated a lean mass index (...

journal_title：Journal of strength and conditioning research

authors： Ball N,Nolan E,Wheeler K

更新日期：2011-10-01 00:00:00