Heart rate-running speed index may be an efficient method of monitoring endurance training adaptation.

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：:We evaluated a submaximal and maximal version of the Yo-Yo intermittent recovery level 1 children's (YYIR1C) test and the Andersen test for fitness and maximal heart rate assessments of children aged 6-10 years. Two repetitions of the YYIR1C and Andersen tests were carried out within 1 week by 6- to 7-year-olds and 8-...

journal_title：Journal of strength and conditioning research

authors： Bendiksen M,Ahler T,Clausen H,Wedderkopp N,Krustrup P

更新日期：2013-06-01 00:00:00

abstract：:The purpose of the study was to develop a simple prediction model for stress fractures (SFs) in young male recruits to identify risk factors for SF. Data were collected from 57 young (18.5 ± 0.5 years) male athletes before elite combat basic training (BT). Measurements included anthropometric variables, blood samples,...

journal_title：Journal of strength and conditioning research

authors： Moran DS,Finestone AS,Arbel Y,Shabshin N,Laor A

更新日期：2012-09-01 00:00:00

abstract：:Hoffmann, SM, Skinner, TL, van Rosendal, SP, Osborne, MA, Emmerton, LM, and Jenkins, DG. The efficacy of the lactate threshold: A sex-based comparison. J Strength Cond Res 34(11): 3190-3198, 2020-The second lactate threshold (LT2) has previously been associated with endurance performance; however, comparisons between ...

journal_title：Journal of strength and conditioning research

authors： Hoffmann SM,Skinner TL,van Rosendal SP,Osborne MA,Emmerton LM,Jenkins DG

更新日期：2020-11-01 00:00:00

abstract：:The aim of the current investigation was to determine the position and duration specific running performance of elite Gaelic football players through the use of a moving average method. Global positioning system data (4-Hz, VX Sport, New-Zealand) were collected from thirty-five (n = 35) elite Gaelic football players a...

journal_title：Journal of strength and conditioning research

authors： Malone S,Solan B,Hughes B,Collins K

更新日期：2017-04-25 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：: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：: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：:Amarante do Nascimento, M, Nunes, JPA, Pina, FLC, Ribeiro, AS, Carneiro, NH, Venturini, D, Barbosa, DS, Mayhew, JL, and Cyrino, ES. Comparison of 2 weekly frequencies of resistance training on muscular strength, body composition, and metabolic biomarkers in resistance-trained older women: Effects of detraining and ret...

journal_title：Journal of strength and conditioning research

authors： Amarante do Nascimento M,Nunes JP,Pina FLC,Ribeiro AS,Carneiro NH,Venturini D,Barbosa DS,Mayhew JL,Cyrino ES

更新日期：2020-08-27 00:00:00

abstract：:Thirty-two master athletes (shot put, discus, and hammer throw) were divided into 4 groups according to their age (T40 [40 years of age], 50 [50 years of age], 60 [60 years of age], and 75 [75 years of age]). Twenty-eight age-matched men served as controls (C40 [40 years of age], 50 [50 years of age], 60 [60 years of ...

journal_title：Journal of strength and conditioning research

authors： Ojanen T,Rauhala T,Häkkinen K

更新日期：2007-02-01 00:00:00

abstract：:The purpose of this study was to determine the reliability and validity of regulating exercise intensity by ratings of perceived exertion in step dance sessions. Ten male college-aged students voluntarily participated in 2 step dance sessions for 45 minutes at 70-80% of their heart rate (HR) reserves with a 1-week int...

journal_title：Journal of strength and conditioning research

authors： Ozkan A,Kin-Isler A

更新日期：2007-02-01 00:00:00

abstract：:Walking is a physical activity able to maintain and improve aerobic fitness. This activity can easily be performed in all seasons both outdoors and indoors, but when it is performed in its natural environment, the use of specific equipment is required. In particular, it has been demonstrated that the use of trekking b...

journal_title：Journal of strength and conditioning research

authors： Fattorini L,Pittiglio G,Federico B,Pallicca A,Bernardi M,Rodio A

更新日期：2012-10-01 00:00:00

abstract：:The deadlift exercise is commonly performed to develop strength and power, and to train the lower-body and erector spinae muscle groups. However, little is known about the acute training effects of a hexagonal barbell vs. a straight barbell when performing deadlifts. Therefore, the purpose of this study was to examine...

journal_title：Journal of strength and conditioning research

authors： Camara KD,Coburn JW,Dunnick DD,Brown LE,Galpin AJ,Costa PB

更新日期：2016-05-01 00:00:00

abstract：:The objective of this study was to investigate the potential variations in cardiorespiratory and metabolic parameters and running performance among 3 modes of exercise of the same duration, namely, intermittent running with active recovery (AR) or passive recovery (PR) and continuous running (CR) and whether these var...

journal_title：Journal of strength and conditioning research

authors： Mandroukas A,Heller J,Metaxas TI,Sendelides T,Riganas C,Vamvakoudis E,Christoulas K,Stefanidis P,Karagiannis V,Kyparos A,Mandroukas K

更新日期：2011-06-01 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：: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：:Muscle power is a major neuromuscular factor affecting motor function and independence in patients with Parkinson's disease (PD), and it is commonly targeted using high-speed exercise. This study examined the changes in velocities (Vpp) and percent loads (%1RMpp) at peak power and load-velocity (L-V) and load-power (L...

journal_title：Journal of strength and conditioning research

authors： Ni M,Signorile JF

更新日期：2017-10-01 00:00:00

abstract：:Bartolomei, S, Totti, V, Griggio, F, Malerba, C, Ciacci, S, Semprini, G, and Di Michele, R. Upper-body resistance exercise reduces time to recover after a high-volume bench press protocol in resistance-trained men. J Strength Cond Res XX(X): 000-000, 2018-The aim of this study was to compare the effects of active and ...

journal_title：Journal of strength and conditioning research

authors： Bartolomei S,Totti V,Griggio F,Malerba C,Ciacci S,Semprini G,Di Michele R

更新日期：2019-03-04 00:00:00

abstract：:This study investigated physiological and performance aspects of 15 (4 women and 11 men) elite Taekwondo athletes (24.0 ± 5.7 years) during their National Championship. The load of the competition was evaluated by means of heart rate (HR) and blood lactate (La). Pre and postmatch countermovement jump (CMJ), and handgr...

journal_title：Journal of strength and conditioning research

authors： Chiodo S,Tessitore A,Cortis C,Lupo C,Ammendolia A,Iona T,Capranica L

更新日期：2011-02-01 00:00:00

abstract：:This study investigated the effects of powerlifting gear on training volume and performance, defined by the squat, bench press, and deadlift. Eighteen powerlifters (18-26 years) were randomized into either a group that trained and competed using compressive gear (CG) or without the gear (NON). Training volume, volume ...

journal_title：Journal of strength and conditioning research

authors： Godawa TM,Credeur DP,Welsch MA

更新日期：2012-05-01 00:00:00

abstract：:The purpose of this investigation was to determine if there were different trends in physical fatigue observed in 3 different sets, of 7 trials each, in repeated sprint training, performed in 3 different modes: straight sprinting over 30 m, shuttle sprinting over 15 + 15 m, and sprinting over 30 m with changes of dire...

journal_title：Journal of strength and conditioning research

authors： Ruscello B,Tozzo N,Briotti G,Padua E,Ponzetti F,D'Ottavio S

更新日期：2013-07-01 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：: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：:Ground reaction forces are important in pitching given that the only external contact a pitcher has is between the foot and the ground. Windmill softball pitchers are routinely seen clinically for injuries to the lower extremities, and lower-extremity kinetics have not been well studied. The purpose of this study was ...

journal_title：Journal of strength and conditioning research

authors： Guido JA Jr,Werner SL,Meister K

更新日期：2009-09-01 00:00:00

abstract：:The current study aimed to (a) determine the rates of symptoms of muscle dysmorphia (MD), body dysmorphic disorder (BDD), and eating disorder; (b) determine the relationships among symptoms of MD, BDD, and eating disorders; and (c) provide a comprehensive comparison of symptoms of MD, BDD, and eating disorders in a no...

journal_title：Journal of strength and conditioning research

authors： Nieuwoudt JE,Zhou S,Coutts RA,Booker R

更新日期：2015-05-01 00:00:00

abstract：:Previous research suggests high impact forces generated during landings contribute to noncontact anterior cruciate ligament (ACL) injuries. In women, neuromuscular differences appear to modify the ability to dissipate landing forces when compared to men. This study examined peak vertical impact forces (F(p)) and rate ...

journal_title：Journal of strength and conditioning research

authors： Irmischer BS,Harris C,Pfeiffer RP,DeBeliso MA,Adams KJ,Shea KG

更新日期：2004-11-01 00:00:00

abstract：:The purpose was to compare a mathematical model of oxygen uptake and bioenergetic systems to an experimental protocol. Twelve (N = 12) noncyclists (NC), age (21.8 ± 1.4 years), and 8 (N = 8) cyclists (C), age (30.5 ± 5.7 years), were subjects. All subjects signed an informed consent. Oxygen consumption (VO2, ml·kg⁻¹·m...

journal_title：Journal of strength and conditioning research

authors： Wyatt FB,Swaminathan A

更新日期：2010-10-01 00:00:00

abstract：:The effect of consuming meals of different macronutrient content on substrate oxidation following resistance exercise was examined in 9 resistance-trained men (26.2 +/- 2.4 years). Subjects completed 3 resistance exercise bouts of 8 exercises and 1 warm-up set (50% of 10 repetition maximum [RM]), which were followed b...

journal_title：Journal of strength and conditioning research

authors： Bosher KJ,Potteiger JA,Gennings C,Luebbers PE,Shannon KA,Shannon RM

更新日期：2004-05-01 00:00:00

abstract：:To verify the metabolic responses of oxygen consumption (V[Combining Dot Above]O2), heart rate (HR), blood lactate concentrations [La], and rate of perceived exertion (RPE) when swimming at an intensity corresponding to the critical velocity (CV) assessed by a 4-parameter model (CV4par), and to check the reliability w...

journal_title：Journal of strength and conditioning research

authors： Zacca R,Fernandes RJ,Pyne DB,Castro FA

更新日期：2016-05-01 00:00:00

abstract：:Strength augmentation has been demonstrated in resistance-trained men subsequent to 4 days of training abstinence. However, this phenomenon was exhibited in an unusual circumstance in which the exercise test (seated heel raise) primarily involved an isolated skeletal muscle (soleus) that is normally comprised almost e...

journal_title：Journal of strength and conditioning research

authors： Weiss LW,Wood LE,Fry AC,Kreider RB,Relyea GE,Bullen DB,Grindstaff PD

更新日期：2004-11-01 00:00:00