Predicting punching acceleration from selected strength and power variables in elite karate athletes: a multiple regression analysis.

abstract：:The purpose of this study was to investigate the impact of 4 weeks of high-intensity vs. high-volume swim training on lactate threshold (LT) characteristics and performance. Thirteen untrained swimmers with a mean age of 19.0 ± 0.5 undertook an incremental swimming test before and after 4 weeks of training for the det...

journal_title：Journal of strength and conditioning research

authors： Soultanakis HN,Mandaloufas MF,Platanou TI

更新日期：2012-01-01 00:00:00

abstract：:The purpose of this study was to compare the variability and accuracy of proximal and traditional distal electrode placement to estimate body composition in obese adults. Fifty-two obese men and women had a mean age of 37 years and an average body mass index (BMI) of 30.6 kg.m(-2). Body composition was measured using ...

journal_title：Journal of strength and conditioning research

authors： Franckowiak SC,Fontaine K,Andersen RE

更新日期：2003-08-01 00:00:00

abstract：:The purpose of this study was to determine a resting interval between countermovement jumps (i.e., volleyball spikes) that allows the maintenance of maximal jumping performance. Ten male volleyball players (1.85 +/- 0.05 m, 77.2 +/- 10.6 kg, 21.6 +/- 5.3 years) performed 6 experimental jumping sessions. In the first a...

journal_title：Journal of strength and conditioning research

authors： Pereira G,Almeida AG,Rodacki AL,Ugrinowitsch C,Fowler NE,Kokubun E

更新日期：2008-07-01 00:00:00

abstract：:This study compared conventional, complex, and contrast protocols on peak power (PP) output. Static vs. dynamic contractions were also manipulated to determine the effect of these confounding variables. Eighteen recreationally trained men [age, 21.1 ± 3.3 years; body mass, 81.7 ± 15.9 kg; height, 182.8 ± 6.2 cm; 5 rep...

journal_title：Journal of strength and conditioning research

authors： Talpey SW,Young WB,Saunders N

更新日期：2014-02-01 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：:Physical fitness training of military recruits is an enduring focus of armies. This is important for safe and effective performance of general tasks that anyone may have to perform in a military setting as well as preparation for more specialized training in specific job specialties. Decades of studies on occupational...

journal_title：Journal of strength and conditioning research

authors： Friedl KE,Knapik JJ,Häkkinen K,Baumgartner N,Groeller H,Taylor NA,Duarte AF,Kyröläinen H,Jones BH,Kraemer WJ,Nindl BC

更新日期：2015-11-01 00:00:00

abstract：:Ünlü, G, Çevikol, C, and Melekoğlu, T. Comparison of the effects of eccentric, concentric, and eccentric-concentric isotonic resistance training at two velocities on strength and muscle hypertrophy. J Strength Cond Res 34(2): 337-344, 2020-The aim of this study was to compare the effects of concentric, eccentric, and ...

journal_title：Journal of strength and conditioning research

authors： Ünlü G,Çevikol C,Melekoğlu T

更新日期：2020-02-01 00:00:00

abstract：:Nickerson, BS, Williams, TD, Snarr, RL, Garza, JM, and Salinas, G. Evaluation of load-velocity relationships and repetitions-to-failure equations in the presence of male and female spotters. J Strength Cond Res 34(9): 2427-2433, 2020-The purpose of this study was 2 fold: (a) to determine whether differences in mean co...

journal_title：Journal of strength and conditioning research

authors： Nickerson BS,Williams TD,Snarr RL,Garza JM,Salinas G

更新日期：2020-09-01 00:00:00

abstract：:The objective of this study was to determine the effect of acute moderate hypoxia and rest duration on performance and on the accumulated oxygen deficit (AOD) in high-intensity intermittent efforts. After preliminary tests, 2 groups of nonacclimatized men (resident at 690 m above sea level) carried out 3 randomized pr...

journal_title：Journal of strength and conditioning research

authors： Feriche B,Delgado M,Calderón C,Lisbona O,Chirosa IJ,Miranda MT,Fernández JM,Alvarez J

更新日期：2007-05-01 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：:Burtch, AR, Ogle, BT, Sims, PA, Harms, CA, Symons, TB, Folz, RJ, and Zavorsky, GS. Controlled frequency breathing reduces inspiratory muscle fatigue. J Strength Cond Res 31(5): 1273-1281, 2017-Controlled frequency breathing (CFB) is a common swim training modality involving holding one's breath for approximately 7-10 ...

journal_title：Journal of strength and conditioning research

authors： Burtch AR,Ogle BT,Sims PA,Harms CA,Symons TB,Folz RJ,Zavorsky GS

更新日期：2017-05-01 00:00:00

abstract：:The national Italian cross-country ski team has been evaluated on the basis of a new double poling cross-country roller skiing incremental test to exhaustion (DP) on a motorized driven treadmill. To verify the capacity of this specific test to predict performance, peak oxygen uptake (VO2peak), oxygen uptake at anaerob...

journal_title：Journal of strength and conditioning research

authors： Fabre N,Balestreri F,Leonardi A,Schena F

更新日期：2010-02-01 00:00:00

abstract：:This study investigated whether whole-body vibration (WBV) coupled with low-velocity exercise (EX) for 13 weeks retains muscle performance gains after 5 weeks of subsequent detraining compared with the results of an identical EX program without WBV. Thirty-two untrained healthy adults (22-49 years of age) were randoml...

journal_title：Journal of strength and conditioning research

authors： Osawa Y,Oguma Y

更新日期：2013-04-01 00:00:00

abstract：:García-Fresneda, A, Carmona, G, Padullés, X, Nuell, S, Padullés, JM, Cadefau, JA, and Iturricastillo, A. Initial maximum push-rim propulsion and sprint performance in elite wheelchair rugby players. J Strength Cond Res 33(3): 857-865, 2019-Wheelchair rugby (WR) is an increasingly popular Paralympic sport; however, the...

journal_title：Journal of strength and conditioning research

authors： García-Fresneda A,Carmona G,Padullés X,Nuell S,Padullés JM,Cadefau JA,Iturricastillo A

更新日期：2019-03-01 00:00:00

abstract：:Helme, M, Emmonds, S, and Low, C. Is the rear foot elevated split squat unilateral? An investigation into the kinetic and kinematic demands. J Strength Cond Res XX(X): 000-000, 2020-The purpose of the study was to determine the unilateral nature of the rear foot elevated split squat (RFESS). Specifically, the producti...

journal_title：Journal of strength and conditioning research

authors： Helme M,Emmonds S,Low C

更新日期：2020-08-12 00:00:00

abstract：:Sánchez-Sánchez, J, García-Unanue, J, Felipe, JL, Jiménez-Reyes, P, Viejo-Romero, D, Gómez-López, M, Hernando, E, Burillo, P, and Gallardo, L. Physical and physiological responses of amateur football players on third generation artificial turf systems during simulated game situations. J Strength Cond Res 30(11): 3165-...

journal_title：Journal of strength and conditioning research

authors： Sánchez-Sánchez J,García-Unanue J,Felipe JL,Jiménez-Reyes P,Viejo-Romero D,Gómez-López M,Hernando E,Burillo P,Gallardo L

更新日期：2016-11-01 00:00:00

abstract：:Fonseca Alves, DJ, Bartholomeu-Neto, J, Júnior, ER, Ribeiro Zarricueta, BS, Nóbrega, OT, and Córdova, C. Walking speed, risk factors, and cardiovascular events in older adults-systematic review. J Strength Cond Res 31(11): 3235-3244, 2017-It is important that new clinical measures can identify risk factors and predict...

journal_title：Journal of strength and conditioning research

authors： Fonseca Alves DJ,Bartholomeu-Neto J,Júnior ER,Ribeiro Zarricueta BS,Nóbrega OT,Córdova C

更新日期：2017-11-01 00:00:00

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：: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：:Sixteen semiprofessional Australian football players performed running bouts at incremental velocities of 40, 60, 80, and 100% of their maximum velocity on a Woodway nonmotorized force treadmill. As running velocity increased from 40 to 60%, peak vertical and peak horizontal forces increased by 14.3% (effect size [ES]...

journal_title：Journal of strength and conditioning research

authors： Brughelli M,Cronin J,Chaouachi A

更新日期：2011-04-01 00:00:00

abstract：:This study investigated the changes in anthropometry and performance, and their interrelationships, across 3 consecutive seasons (under-15 to under-17 age groups) in elite youth rugby league players. Each player participated in annual anthropometrical and performance assessments, comprising measurements of stature; bo...

journal_title：Journal of strength and conditioning research

authors： Waldron M,Worsfold P,Twist C,Lamb K

更新日期：2014-11-01 00:00:00

abstract：:Pre- and post-game body mass changes were recorded throughout an international rugby union tournament to determine changes in body mass when training and competing on consecutive days. A squad of 28 players with a mean (+/-SD) age of 20.0 yrs (+/-0.6), height of 1.85 m (+/-0.1) and body mass of 94.71 kg (+/-10.71) wer...

journal_title：Journal of strength and conditioning research

authors： Meir RA,Halliday AJ

更新日期：2005-08-01 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：: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：:This investigation examined the effects of a protease supplement on selected markers of muscle damage and delayed-onset muscle soreness (DOMS). The study used a double-blinded, placebo-controlled, crossover design. Twenty men (mean +/- SD age = 21.0 +/- 3.1 years) were randomly assigned to either a supplement group (S...

journal_title：Journal of strength and conditioning research

authors： Beck TW,Housh TJ,Johnson GO,Schmidt RJ,Housh DJ,Coburn JW,Malek MH,Mielke M

更新日期：2007-08-01 00:00:00

abstract：:The aim of this study is to estimate the metabolic and hormone response in middle-aged women to acute physical aerobic exercise accompanied by music, the so-called "aerobics." The experiment (single 60-minute aerobics session) included 11 women aged between 30 and 50. The following variables were determined in blood s...

journal_title：Journal of strength and conditioning research

authors： Charmas M,Opaszowski BH,Charmas R,Rózańska D,Jówko E,Sadowski J,Dorofeyeva L

更新日期：2009-05-01 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：:In this study, we evaluated the efficacy of two different dynamic warm-up conditions, one that was inclusive of open skills (i.e., reactive movements) and one that included only preplanned dynamic activities (i.e., closed skills) on the performance of speed, change of direction speed, vertical jump, and reactive agili...

journal_title：Journal of strength and conditioning research

authors： Gabbett TJ,Sheppard JM,Pritchard-Peschek KR,Leveritt MD,Aldred MJ

更新日期：2008-09-01 00:00:00

abstract：:Numerous studies have shown that stretching routines can induce strength and force deficits, although the amount of stretching needed to cause these deficits remains unclear. Therefore, the purpose of the study was to examine the relationship between varying amounts of acute static stretching on jumping performance. B...

journal_title：Journal of strength and conditioning research

authors： Robbins JW,Scheuermann BW

更新日期：2008-05-01 00:00:00

abstract：:Bishop, C, Read, P, Lake, J, Loturco, I, and Turner, A. A novel approach for athlete profiling: The unilateral dynamic strength index. J Strength Cond Res XX(X): 000-000, 2018-The Dynamic Strength Index (DSI) provides a ratio of the peak force an athlete can produce in both isometric and ballistic tasks. Although the ...

journal_title：Journal of strength and conditioning research

authors： Bishop C,Read P,Lake J,Loturco I,Turner A

更新日期：2018-10-05 00:00:00