Functional Threshold Power Is Not Equivalent to Lactate Parameters in Trained Cyclists.

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 scaled by 95%. However, the physiological basis of the FTP concept is unclear. Therefore, we evaluated the relationship of FTP with a range of laboratory-based blood lactate parameters derived from a submaximal threshold test. Twenty competitive male cyclists completed a maximal 20-minute time trial and an incremental exercise test to establish a range of blood lactate parameters. Functional threshold power (266 ± 42 W) was strongly correlated (r = 0.88, p < 0.001) with the power output associated with a fixed blood lactate concentration 4.0 mmol·L (LT4.0) (268 ± 30 W) and not significantly different (p > 0.05). While mean bias was 2.9 ± 24.6 W, there were large limits of agreement (LOA) between FTP and LT4.0 (-45 to 51 W). All other lactate parameters, lactate threshold (LT) (236 ± 32 W), individual anaerobic threshold (244 ± 33 W), and LT thresholds determined using the Dmax method (221 ± 25 W) and modified Dmax method (238 ± 32 W) were significantly different from FTP (p < 0.05). While FTP strongly correlated with LT4.0, the large LOA refutes any equivalence as a measure with physiological basis. Therefore, we would encourage athletes and coaches to use alternative field-based methods to predict cycling performance.

journal_name

J Strength Cond Res

authors

Jeffries O,Simmons R,Patterson SD,Waldron M

doi

10.1519/JSC.0000000000003203

subject

Has Abstract

pub_date

2019-07-01 00:00:00

eissn

1064-8011

issn

1533-4287

pub_type

杂志文章
  • Noncompatibility of power and endurance training among college baseball players.

    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

    pub_type: 杂志文章

    doi:10.1519/JSC.0b013e31815fa038

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

    更新日期:2008-01-01 00:00:00

  • Incremental Testing Design on Slide Board for Speed Skaters: Comparison Between Two Different Protocols.

    abstract::Piucco, T, O'Connell, J, Stefanyshyn, D, and de Lucas, RD. Incremental testing design on slide board for speed skaters: comparison between two different protocols. J Strength Cond Res 30(11): 3116-3121, 2016-The aim of this study was to investigate the effect of stage duration (Long-stage-LS: 3-minute, Short-stage-SS:...

    journal_title:Journal of strength and conditioning research

    pub_type: 杂志文章

    doi:10.1519/JSC.0000000000001392

    authors: Piucco T,OʼConnell J,Stefanyshyn D,de Lucas RD

    更新日期:2016-11-01 00:00:00

  • Comparison of metabolic and heart rate responses to super slow vs. traditional resistance training.

    abstract::In order to compare the cardiovascular and energy expenditure demands of "Super Slow" (SST) and traditional (TT) resistance training 7 resistance-trained young men (24.3 +/- 3.8 years) had energy expenditure (using indirect calorimetry) and heart rate evaluated during and for 15 minutes after a workout on separate day...

    journal_title:Journal of strength and conditioning research

    pub_type: 杂志文章

    doi:10.1519/1533-4287(2003)017<0076:comahr>2.0.co;2

    authors: Hunter GR,Seelhorst D,Snyder S

    更新日期:2003-02-01 00:00:00

  • The Effects of a Heel Wedge on Hip, Pelvis and Trunk Biomechanics During Squatting in Resistance Trained Individuals.

    abstract::Barbell back squats are a popular exercise for developing lower extremity strength and power. However, this exercise has potential injury risks, particularly to the lumbar spine, pelvis, and hip joint. Previous literature suggests heel wedges as a means of favorably adjusting trunk and pelvis kinematics with the inten...

    journal_title:Journal of strength and conditioning research

    pub_type: 杂志文章

    doi:10.1519/JSC.0000000000001655

    authors: Charlton JM,Hammond CA,Cochrane CK,Hatfield GL,Hunt MA

    更新日期:2017-06-01 00:00:00

  • High-Speed Resistance Training Modifies Load-Velocity and Load-Power Relationships in Parkinson's Disease.

    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

    pub_type: 杂志文章,随机对照试验

    doi:10.1519/JSC.0000000000001730

    authors: Ni M,Signorile JF

    更新日期:2017-10-01 00:00:00

  • Validation of a cardiorespiratory fitness assessment for firefighters.

    abstract::Currently, a submaximal protocol is used to measure cardiorespiratory fitness in firefighters by estimating their true aerobic capacity (V[Combining Dot Above]O2max); however, this submaximal test has not been cross-validated among firefighters. Thirty firefighters (85% male, 15% female), completed the submaximal prot...

    journal_title:Journal of strength and conditioning research

    pub_type: 杂志文章

    doi:10.1519/JSC.0000000000000481

    authors: Delisle AT,Piazza-Gardner AK,Cowen TL,Huq MB,Delisle AD,Stopka CB,Tillman MD

    更新日期:2014-10-01 00:00:00

  • Countermovement Jump is Not Affected During Final Competition Preparation Periods in Elite Rugby Sevens Players.

    abstract::The changes in daily countermovement jump (CMJ) and activity profile of male rugby 7 players during the 3-week period immediately before international competition were examined. Velocity and distance data were measured via a 10-Hz global positioning system from 12 international-level athletes on 11 ± 1 occasions. Work...

    journal_title:Journal of strength and conditioning research

    pub_type: 杂志文章

    doi:10.1519/JSC.0000000000001156

    authors: Gibson NE,Boyd AJ,Murray AM

    更新日期:2016-03-01 00:00:00

  • University Football Players, Postural Stability, and Concussions.

    abstract::Concussion in football athletes is certainly more prevalent and has potentially serious outcomes. With current concerns and increasing return-to-play issues, additional assessment focus is needed. Division 1 college football athletes, from 18 to 20.9 years (n = 177; age, 19.7 ± 1.2 years; height, 182.3 ± 4.5 cm; weigh...

    journal_title:Journal of strength and conditioning research

    pub_type: 杂志文章

    doi:10.1519/JSC.0000000000001124

    authors: Graves BS

    更新日期:2016-02-01 00:00:00

  • Exercise intensity and pacing strategy of a 5-km indoor race walk during a World Record attempt: a case study.

    abstract::The aim of this case study was to describe the physiological and regulatory processes, by means of heart rate (HR) monitoring and pacing strategy, in a top-level race walker (age: 32 years; height: 1.76 m; body mass: 62 kg; training volume: 130-150 km·wk) who was focused on the attainment of the 5-km indoor race walk ...

    journal_title:Journal of strength and conditioning research

    pub_type: 杂志文章

    doi:10.1519/JSC.0b013e3181e4f78e

    authors: Vernillo G,Piacentini MF,Drake A,Agnello L,Fiorella P,La Torre A

    更新日期:2011-07-01 00:00:00

  • Perceptions of wellness to monitor adaptive responses to training and competition in elite Australian football.

    abstract::Perceptions of wellness are often used by athletes and coaches to assess adaptive responses to training. The purpose of this research was to describe how players were coping with the demands of elite level Australian football over a competitive season using subjective ratings of physical and psychological wellness and...

    journal_title:Journal of strength and conditioning research

    pub_type: 杂志文章

    doi:10.1519/JSC.0b013e31827fd600

    authors: Gastin PB,Meyer D,Robinson D

    更新日期:2013-09-01 00:00:00

  • The Effect of Exertion and Sex on Vertical Ground Reaction Force Variables and Landing Mechanics.

    abstract::The purpose of this investigation was to determine how exertion and sex affected a variety of vertical ground reaction force (VGRF) parameters during a jump-landing task, including peak VGRF, peak VGRF asymmetry, loading rate, and loading rate asymmetry. Additionally, we wanted to determine whether landing mechanics c...

    journal_title:Journal of strength and conditioning research

    pub_type: 杂志文章

    doi:10.1519/JSC.0000000000001253

    authors: Bell DR,Pennuto AP,Trigsted SM

    更新日期:2016-06-01 00:00:00

  • Effects of saddle height on anaerobic power production in cycling.

    abstract::In competitive cycling, setting the proper saddle height is important for both performance and injury prevention. This is also true for ergometer use in a laboratory. The cycling literature recommends using a 25 to 35 degrees knee angle to set saddle height for injury prevention and recommends using 109% of inseam len...

    journal_title:Journal of strength and conditioning research

    pub_type: 杂志文章

    doi:10.1519/R-20316.1

    authors: Peveler WW,Pounders JD,Bishop PA

    更新日期:2007-11-01 00:00:00

  • Performance Profiling of Female Youth Netball Players.

    abstract::McKenzie, CR, Whatman, C, and Brughelli, M. Performance profiling of female youth netball players. J Strength Cond Res 34(11): 3275-3283, 2020-The purpose of this study was to investigate the physical performance characteristics of New Zealand secondary school netball players to provide a physical performance profile ...

    journal_title:Journal of strength and conditioning research

    pub_type: 杂志文章

    doi:10.1519/JSC.0000000000002958

    authors: McKenzie CR,Whatman C,Brughelli M

    更新日期:2020-11-01 00:00:00

  • Acute effects of Flexi-bar vs. Sham-bar exercise on muscle electromyography activity and performance.

    abstract::This study was conducted to investigate whether the low-frequency (5-Hz) oscillatory vibration-like stimulus, purported to be delivered by exercising with Flexi-bar, acutely affects muscle activation and maximal voluntary contraction (MVC) force. Nine healthy men participated in 2 trials, separated by at least 1 week,...

    journal_title:Journal of strength and conditioning research

    pub_type: 杂志文章,随机对照试验

    doi:10.1519/JSC.0b013e3181c7c2d8

    authors: Mileva KN,Kadr M,Amin N,Bowtell JL

    更新日期:2010-03-01 00:00:00

  • Validity of a nomogram to predict long distance running performance.

    abstract::The purpose was to test the validity of a nomogram to predict performance at distances ranging from the 10 km to the marathon. Official running rankings of the French Athletics Federation for the men's 10 km, 20 km, and marathon were scrutinized from 2002 to 2006. Performances of runners who competed in the 3 distance...

    journal_title:Journal of strength and conditioning research

    pub_type: 杂志文章

    doi:10.1519/JSC.0b013e3181b3dcc3

    authors: Coquart JB,Alberty M,Bosquet L

    更新日期:2009-10-01 00:00:00

  • Anabolic steroid usage in athletics: facts, fiction, and public relations.

    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

    pub_type: 杂志文章,评审

    doi:10.1519/14813.1

    authors: Berning JM,Adams KJ,Stamford BA

    更新日期:2004-11-01 00:00:00

  • A mechanical comparison of linear and double-looped hung supplemental heavy chain resistance to the back squat: a case study.

    abstract::A relatively new and scarcely researched technique to increase strength is the use of supplemental heavy chain resistance (SHCR) in conjunction with plate weights to provide variable resistance to free weight exercises. The purpose of this case study was to determine the actual resistance being provided by a double-lo...

    journal_title:Journal of strength and conditioning research

    pub_type: 杂志文章

    doi:10.1519/JSC.0b013e3181b2977a

    authors: Neelly KR,Terry JG,Morris MJ

    更新日期:2010-01-01 00:00:00

  • Performance factors in women's team handball: physical and physiological aspects--a review.

    abstract::Team handball is an Olympic sport played professionally in many European countries. Nevertheless, a scientific knowledge regarding women's elite team handball demands is limited. Thus, the purpose of this article was to review a series of studies (n = 33) on physical characteristics, physiological attributes, physical...

    journal_title:Journal of strength and conditioning research

    pub_type: 杂志文章,评审

    doi:10.1519/JSC.0b013e3182891535

    authors: Manchado C,Tortosa-Martínez J,Vila H,Ferragut C,Platen P

    更新日期:2013-06-01 00:00:00

  • Electrophoretic separation of myosin heavy chain isoforms using a modified mini gel system.

    abstract::The electrophoretic separation of myosin heavy chain isoforms from muscle biopsy homogenates has been widely practiced in the field of exercise physiology to examine how intrinsic (i.e., aging) and extrinsic (i.e., training) factors affect muscle phenotype. In the past, various research groups have used large and mini...

    journal_title:Journal of strength and conditioning research

    pub_type: 杂志文章

    doi:10.1519/JSC.0b013e318270fcab

    authors: Roberts MD,Dalbo VJ,Sunderland KL,Kerksick CM

    更新日期:2012-12-01 00:00:00

  • The Effect of 12 Weeks of Different Exercise Training Modalities or Nutritional Guidance on Cardiometabolic Risk Factors, Vascular Parameters, and Physical Fitness in Overweight Adults: Cardiometabolic High-Intensity Interval Training-Resistance Training

    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

    pub_type: 杂志文章,随机对照试验

    doi:10.1519/JSC.0000000000003533

    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

  • Eight Weeks of High-Volume Resistance Training Improves Onset of Blood Lactate in Trained Individuals.

    abstract::Lantis, DJ, Farrell, JW, III, Cantrell, GS, and Larson, RD. Eight weeks of high volume resistance training improves onset of blood lactate in trained individuals. J Strength Cond Res 31(8): 2176-2182, 2017-The purpose of this study was to determine if onset of blood lactate (OBLA) using the fixed at 4 mmol·L method co...

    journal_title:Journal of strength and conditioning research

    pub_type: 杂志文章

    doi:10.1519/JSC.0000000000001686

    authors: Lantis DJ,Farrell JW 3rd,Cantrell GS,Larson RD

    更新日期:2017-08-01 00:00:00

  • Comparison of chain- and plate-loaded bench press training on strength, joint pain, and muscle soreness in Division II baseball players.

    abstract::The purpose of this study was to investigate the effects of chain- (CBP) and plate-loaded (PBP) bench press training on measures of strength, shoulder pain, and muscle soreness in Division II baseball players. Twenty-eight subjects with previous resistance training experience (4.8 +/- 2.7 years) completed the study wh...

    journal_title:Journal of strength and conditioning research

    pub_type: 杂志文章

    doi:10.1519/JSC.0b013e31818892b5

    authors: McCurdy K,Langford G,Ernest J,Jenkerson D,Doscher M

    更新日期:2009-01-01 00:00:00

  • Is Ischemic Preconditioning Intervention Occlusion-Dependent to Enhance Resistance Exercise Performance?

    abstract::de Souza, HLR, Arriel, RA, Hohl, R, da Mota, GR, and Marocolo, M. Is ischemic preconditioning intervention occlusion-dependent to enhance resistance exercise performance? J Strength Cond Res XX(X): 000-000, 2019-Ischemic preconditioning is a rising technique with potential to improve performance. Currently, its effect...

    journal_title:Journal of strength and conditioning research

    pub_type: 杂志文章

    doi:10.1519/JSC.0000000000003224

    authors: de Souza HLR,Arriel RA,Hohl R,da Mota GR,Marocolo M

    更新日期:2019-07-22 00:00:00

  • Effects of Different Resistance Training Loads on the Muscle Quality Index in Older Women.

    abstract::Ribeiro, AS, Picoloto, A, Nunes, JP, Bezerra, ES, Schoenfeld, BJ, and Cyrino, ES. Effects of different resistance training loads on the muscle quality index in older women. J Strength Cond Res XX(X): 000-000, 2020-The purpose of this study was to investigate the effects of resistance training (RT) performed using low ...

    journal_title:Journal of strength and conditioning research

    pub_type: 杂志文章

    doi:10.1519/JSC.0000000000003667

    authors: Ribeiro AS,Picoloto A,Nunes JP,Bezerra ES,Schoenfeld BJ,Cyrino ES

    更新日期:2020-06-17 00:00:00

  • Force-velocity analysis of strength-training techniques and load: implications for training strategy and research.

    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

    pub_type: 杂志文章

    doi:10.1519/1533-4287(2003)017<0148:fvaost>2.0.co;2

    authors: Cronin JB,McNair PJ,Marshall RN

    更新日期:2003-02-01 00:00:00

  • Changes in Muscle Architecture, Explosive Ability, and Track and Field Throwing Performance Throughout a Competitive Season and After a Taper.

    abstract::The purpose of this study was to examine the effects of an overreach and taper on measures of muscle architecture, jumping, and throwing performance in Division I collegiate throwers preparing for conference championships. Six collegiate track and field throwers (3 hammer, 2 discus, 1 javelin) trained for 12 weeks usi...

    journal_title:Journal of strength and conditioning research

    pub_type: 临床试验,杂志文章

    doi:10.1519/JSC.0000000000001619

    authors: Bazyler CD,Mizuguchi S,Harrison AP,Sato K,Kavanaugh AA,DeWeese BH,Stone MH

    更新日期:2017-10-01 00:00:00

  • Mechanomyographic and electromyographic responses to unilateral isometric training.

    abstract::The purpose of this investigation was to examine the effects of unilateral, isometric training of the forearm flexors on strength and the mechanomyographic (MMG) and electromyographic (EMG) responses of the biceps brachii in the trained and untrained limb at three joint angles. Seventeen adult females (mean age +/- SD...

    journal_title:Journal of strength and conditioning research

    pub_type: 临床试验,杂志文章,随机对照试验

    doi:

    authors: Ebersole KT,Housh TJ,Johnson GO,Perry SR,Bull AJ,Cramer JT

    更新日期:2002-05-01 00:00:00

  • Seasonal Changes in the Physical Performance of Elite Youth Female Soccer Players.

    abstract::Emmonds, S, Sawczuk, T, Scantlebury, S, Till, K, and Jones, B. Seasonal changes in the physical performance of elite youth female soccer players. J Strength Cond Res 34(9): 2636-2643, 2020-This study investigated the seasonal change in physical performance of 113 (Under 10: U10 [n = 20], U12 [n = 30], U14 [n = 31], an...

    journal_title:Journal of strength and conditioning research

    pub_type: 杂志文章

    doi:10.1519/JSC.0000000000002943

    authors: Emmonds S,Sawczuk T,Scantlebury S,Till K,Jones B

    更新日期:2020-09-01 00:00:00

  • The effects of rest interval length on acute bench press performance: the influence of gender and muscle strength.

    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

    pub_type: 杂志文章

    doi:10.1519/JSC.0b013e31825bb492

    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

  • The Age of Peak Marathon Performance in Cross-Country Skiing-The "Engadin Ski Marathon".

    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

    pub_type: 杂志文章

    doi:10.1519/JSC.0000000000001931

    authors: Knechtle B,Nikolaidis PT

    更新日期:2018-04-01 00:00:00