Lower-extremity ground reaction forces in youth windmill softball pitchers.

abstract：:Hernandez, DJ, Healy, S, Giacomini, ML, and Kwon, YS. Effect of rest interval duration on the volume completed during a high-intensity bench press exercise. J Strength Cond Res XX(X): 000-000, 2020-Between-set rest intervals (RIs) are one of the most important variables in resistance training; however, no known resear...

journal_title：Journal of strength and conditioning research

authors： Hernandez DJ,Healy S,Giacomini ML,Kwon YS

更新日期：2020-02-27 00:00:00

abstract：:The aim of this study was to examine the concurrent validity of 2 portable systems for vertical jump (VJ) assessment under field conditions. The VJ flight times assessed using an optical mat (Optojump) and an accelerometer-based (Myotest) system were compared with that of a force platform. The flight times recorded du...

journal_title：Journal of strength and conditioning research

authors： Castagna C,Ganzetti M,Ditroilo M,Giovannelli M,Rocchetti A,Manzi V

更新日期：2013-03-01 00:00:00

abstract：:This study aimed to clarify the relationship between upper-body strength and bat swing speed in high-school baseball players and to examine the physical characteristics of home run hitters (sluggers). The subjects were 30 male high-school baseball players with national tournament experience at the Koshien Stadium. Bat...

journal_title：Journal of strength and conditioning research

authors： Miyaguchi K,Demura S

更新日期：2012-07-01 00:00:00

abstract：:Lauver, JD, Cayot, TE, Rotarius, TR, and Scheuermann, BW. Acute neuromuscular and microvascular responses to concentric and eccentric exercises with blood flow restriction. J Strength Cond Res 34(10): 2725-2733, 2020-The purpose of this study was to investigate the effects of the addition of blood flow restriction (BF...

journal_title：Journal of strength and conditioning research

authors： Lauver JD,Cayot TE,Rotarius TR,Scheuermann BW

更新日期：2020-10-01 00:00:00

abstract：:Morton, SK, Whitehead, JR, Brinkert, RH, and Caine, DJ. Resistance training vs. static stretching: Effects on flexibility and strength. J Strength Cond Res 25(12): 3391-3398, 2011-The purpose of this study was to determine how full-range resistance training (RT) affected flexibility and strength compared to static str...

journal_title：Journal of strength and conditioning research

authors： Morton SK,Whitehead JR,Brinkert RH,Caine DJ

更新日期：2011-12-01 00:00:00

abstract：:The purpose of this study was to determine the effect of load on lower extremity biomechanics during the pull phase of the clean. Kinematic and kinetic data of the 3 joints of the lower extremity were collected while participants performed multiple sets of cleans at 3 percentages: 65, 75, and 85% of 1 repetition maxim...

journal_title：Journal of strength and conditioning research

authors： Kipp K,Harris C,Sabick MB

更新日期：2011-05-01 00:00:00

abstract：:Numerous investigations have attested to the efficacy of the National Football League (NFL)-225 test to estimate one repetition maximum (1RM) bench press. However, no studies have assessed the efficacy of the test to track changes in strength across a training program. The purpose of this study was to determine the ac...

journal_title：Journal of strength and conditioning research

authors： Mann JB,Ivey PA,Stoner JD,Mayhew JL,Brechue WF

更新日期：2015-11-01 00:00:00

abstract：:Lambert, C, Beck, BR, and Weeks, BK. Landing impact intensities for jumping exercises from the OPTIMA-Ex trial in trained and untrained women. J Strength Cond Res XX(X): 000-000, 2019-High-intensity mechanical loads are required to elicit a positive adaptive bone response. Our aim was to quantify the mechanical loads ...

journal_title：Journal of strength and conditioning research

authors： Lambert C,Beck BR,Weeks BK

更新日期：2019-08-08 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：: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：:Alves, AR, Marta, CC, Neiva, HP, Izquierdo, M, and Marques, MC. Concurrent training in prepubescent children: the effects of 8 weeks of strength and aerobic training on explosive strength and V[Combining Dot Above]O2max. J Strength Cond Res 30(7): 2019-2032, 2016-The purpose of this study was to compare the effects of...

journal_title：Journal of strength and conditioning research

authors： Alves AR,Marta CC,Neiva HP,Izquierdo M,Marques MC

更新日期：2016-07-01 00:00:00

abstract：:Aerobic and anaerobic performance of the upper body (UB) and lower body (LB) were assessed by arm cranking and treadmill tests respectively in a comparison of national (N) and international (I) male gymnasts. Force velocity and Wingate tests were performed using cycle ergometers for both arms and legs. In spite of a s...

journal_title：Journal of strength and conditioning research

authors： Jemni M,Sands WA,Friemel F,Stone MH,Cooke CB

更新日期：2006-11-01 00:00:00

abstract：:Tennis requires skill, physical attributes, and strategy. Ball velocity and placement are two of the most important components in winning the faster-paced modern game. Although isokinetic testing has been used to evaluate physical characteristics and injury potential in tennis players, few studies have compared isokin...

journal_title：Journal of strength and conditioning research

authors： Signorile JF,Sandler DJ,Smith WN,Stoutenberg M,Perry AC

更新日期：2005-08-01 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

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 compare energy expenditure of resistance and aerobic exercise matched for total time and relative intensity. Ten trained men (24.3 +/- 3.8 years) performed 30 minutes of intermittent free-weight squatting at 70% of 1 repetition maximum and continuous cycling at 70% of Vo(2)max, in a cr...

journal_title：Journal of strength and conditioning research

authors： Bloomer RJ

更新日期：2005-11-01 00:00:00

abstract：:Lower body positive pressure (LBPP) or antigravity treadmills are becoming increasingly popular in sports and rehabilitation settings. Running at a decreased body weight (BW) reduces metabolic cost, which can be offset by running at faster speeds. To date, however, little is known about how much faster someone must ru...

journal_title：Journal of strength and conditioning research

authors： Kline JR,Raab S,Coast JR,Bounds RG,McNeill DK,de Heer HD

更新日期：2015-03-01 00:00:00

abstract：:This study examined effects of heat exposure with and without dehydration on repeated anaerobic cycling. Males (n = 10) completed 3 trials: control (CT), water-bath heat exposure (∼39°C) to 3% dehydration (with fluid replacement) (HE), and similar heat exposure to 3% dehydration (DEHY). Hematocrit increased significan...

journal_title：Journal of strength and conditioning research

authors： Kraft JA,Green JM,Bishop PA,Richardson MT,Neggers YH,Leeper JD

更新日期：2011-03-01 00:00:00

abstract：:Chryssanthopoulos, C, Tsolakis, C, Bottoms, L, Toubekis, A, Zacharogiannis, E, Pafili, Z, and Maridaki, M. Effect of a carbohydrate-electrolyte solution on fluid balance and performance at a thermoneutral environment in international-level fencers. J Strength Cond Res 34(1): 152-161, 2020-The purpose of the study was ...

journal_title：Journal of strength and conditioning research

authors： Chryssanthopoulos C,Tsolakis C,Bottoms L,Toubekis A,Zacharogiannis E,Pafili Z,Maridaki M

更新日期：2020-01-01 00:00:00

abstract：:Anecdotal evidence suggests the widespread usage of anabolic steroids among athletes (20-90%), particularly at the professional and elite amateur levels. In contrast, scientific studies indicate that usage is rare and no higher than 6%. Conclusions from scientific studies suggest that anabolic steroid usage declines p...

journal_title：Journal of strength and conditioning research

authors： Berning JM,Adams KJ,Stamford BA

更新日期：2004-11-01 00:00:00

abstract：:Brown, GA, Veith, S, Sampson, JA, Whalan, M, and Fullagar, HHK. Influence of training schedules on objective measures of sleep in adolescent academy football players. J Strength Cond Res 34(9): 2515-2521, 2020-Football academy settings may pose risks to adolescent athletes achieving sufficient sleep because of the con...

journal_title：Journal of strength and conditioning research

authors： Brown GA,Veith S,Sampson JA,Whalan M,Fullagar HHK

更新日期：2020-09-01 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：: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：:Fernandez-Fernandez, J, Loturco, I, Pereira, LA, Del Coso, J, Areces, F, Gallo-Salazar, C, and Sanz-Rivas, D. Change of direction performance in young tennis players: a comparative study between sexes and age-categories. J Strength Cond Res XX(X): 000-000, 2019-The aim of this study was to examine the differences in l...

journal_title：Journal of strength and conditioning research

authors： Fernandez-Fernandez J,Loturco I,Pereira LA,Del Coso J,Areces F,Gallo-Salazar C,Sanz-Rivas D

更新日期：2020-01-09 00:00:00

abstract：:Andersen, V, Fimland, MS, Kolnes, MK, Jensen, S, Laume, M and Saeterbakken, AH. Electromyographic comparison of squats using constant or variable resistance. J Strength Cond Res 30(12): 3456-3463, 2016-The aim of the study was to compare the electromyographic (EMG) activity of vastus lateralis, vastus medialis, rectus...

journal_title：Journal of strength and conditioning research

authors： Andersen V,Steiro Fimland M,Knutson Kolnes M,Jensen S,Laume M,Hole Saeterbakken A

更新日期：2016-12-01 00:00:00

abstract：:Naval Special Warfare (NSW) Operators are expected to maintain a high degree of physical readiness requiring continual operational training. The physiological and psychological demands associated with operational training can result in physiological consequences evidenced by hormonal alterations justifying the need fo...

journal_title：Journal of strength and conditioning research

authors： Oliver JM,Abt JP,Sell TC,Beals K,Wood DE,Lephart SM

更新日期：2015-01-01 00:00:00

abstract：:Waldman, HS, Heatherly, AJ, Waddell, AF, Krings, BM, and O'Neal, EK. Five-kilometer time trial reliability of a nonmotorized treadmill and comparison of physiological and perceptual responses vs. a motorized treadmill. J Strength Cond Res 32(5): 1455-1461, 2018-This study examined the reliability of running performanc...

journal_title：Journal of strength and conditioning research

authors： Waldman HS,Heatherly AJ,Waddell AF,Krings BM,OʼNeal EK

更新日期：2018-05-01 00:00:00

abstract：:The purpose of this study was to observe the effects of the 1-minute anaerobic step test on lactate production. In addition, a comparison of postexercise lactate levels between the traditional 40-cm step height and a modified 20-cm step height was tested along with multiple biomechanical components such as torque, kne...

journal_title：Journal of strength and conditioning research

authors： Nguyen BD,Gillum TL

更新日期：2015-06-01 00:00:00

abstract：:The purpose of this study was to analyze multiple effects of an extended interval training (EIT) protocol on countermovement jump (CMJ) and handgrip strength in endurance athletes and to determine the relationship between fatigue and potentiation. Thirty experienced sub-elite male long-distance runners (age = 28.26 ± ...

journal_title：Journal of strength and conditioning research

authors： García-Pinillos F,Soto-Hermoso VM,Latorre-Román PA

更新日期：2015-01-01 00:00:00

abstract：:Caplan, N, Rogers, R, Parr, MK, and Hayes, PR. The effect of proprioceptive neuromuscular facilitation and static stretch training on running mechanics. J Strength Cond Res 23(4): 1175-1180, 2009-There is a long-standing belief that increased range of movement (RoM) at the hip or knee will improve running mechanics; h...

journal_title：Journal of strength and conditioning research

authors： Caplan N,Rogers R,Parr MK,Hayes PR

更新日期：2009-07-01 00:00:00