Maximal lactate accumulation rate and post-exercise lactate kinetics in handcycling and cycling

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Maximal lactate accumulation rate and post-exercise lactate kinetics in handcycling and cycling. / Quittmann, Oliver Jan; Abel, Thomas; Vafa, Ramin; Mester, Jonas; Schwarz, Yannick, M.; Strüder, Heiko Klaus.

In: European Journal of Sport Science, 07.05.2020.

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@article{af59506ea095427f881c59f9169d7527,
title = "Maximal lactate accumulation rate and post-exercise lactate kinetics in handcycling and cycling",
abstract = "The aim of this study was to assess lactate kinetics, maximal lactate accumulation rate (⩒Lamax) and peak power output (POmax) in a 15-s all-out exercise in handcycling (HC) and cycling (C) in terms of (1) reliability, (2) differences and (3) correlations between HC and C. Eighteen female and male competitive triathletes performed two trials (separated by one week) of a 15-s all-out sprint test in HC and C. Tests were performed in a recumbent racing handcycle and on the participants{\textquoteright} own road bike that were attached to an ergometer. Reliability was assessed using intraclass correlation coefficient (ICC). POmax and ⩒Lamax demonstrated high reliability in HC (ICC = 0.972, ICC = 0.828) and C (ICC = 0.937, ICC = 0.872). POmax (d = −2.54, P <0.0005) and ⩒Lamax (d = −1.62, P <0.0005) were lower in HC compared to C. POmax and ⩒Lamax correlated in HC (r = 0.729, P = 0.001) and C (r = 0.710, P = 0.001). There was no significant correlation between HC and C in POmax (r = 0.442, P = 0.066) and ⩒Lamax (r = 0.455, P = 0.058). Whereas the exchange velocity of lactate (k1) was similar in HC and C, the removal velocity (k2) was significantly higher in HC. ⩒Lamax and POmax during sprint exercise are highly reliable and demonstrate a correlation in both HC and C. However, since ⩒Lamax and POmax are significantly higher in C and not correlated between HC and C, ⩒Lamax and POmax seem to be extremity-specific.",
keywords = "exercise, metabolism, performance, physiology, testing",
author = "Quittmann, {Oliver Jan} and Thomas Abel and Ramin Vafa and Jonas Mester and Schwarz, {Yannick, M.} and Str{\"u}der, {Heiko Klaus}",
year = "2020",
month = may,
day = "7",
doi = "10.1080/17461391.2020.1756420",
language = "English",
journal = "European Journal of Sport Science",
issn = "1746-1391",
publisher = "Taylor and Francis Ltd.",

}

RIS

TY - JOUR

T1 - Maximal lactate accumulation rate and post-exercise lactate kinetics in handcycling and cycling

AU - Quittmann, Oliver Jan

AU - Abel, Thomas

AU - Vafa, Ramin

AU - Mester, Jonas

AU - Schwarz, Yannick, M.

AU - Strüder, Heiko Klaus

PY - 2020/5/7

Y1 - 2020/5/7

N2 - The aim of this study was to assess lactate kinetics, maximal lactate accumulation rate (⩒Lamax) and peak power output (POmax) in a 15-s all-out exercise in handcycling (HC) and cycling (C) in terms of (1) reliability, (2) differences and (3) correlations between HC and C. Eighteen female and male competitive triathletes performed two trials (separated by one week) of a 15-s all-out sprint test in HC and C. Tests were performed in a recumbent racing handcycle and on the participants’ own road bike that were attached to an ergometer. Reliability was assessed using intraclass correlation coefficient (ICC). POmax and ⩒Lamax demonstrated high reliability in HC (ICC = 0.972, ICC = 0.828) and C (ICC = 0.937, ICC = 0.872). POmax (d = −2.54, P <0.0005) and ⩒Lamax (d = −1.62, P <0.0005) were lower in HC compared to C. POmax and ⩒Lamax correlated in HC (r = 0.729, P = 0.001) and C (r = 0.710, P = 0.001). There was no significant correlation between HC and C in POmax (r = 0.442, P = 0.066) and ⩒Lamax (r = 0.455, P = 0.058). Whereas the exchange velocity of lactate (k1) was similar in HC and C, the removal velocity (k2) was significantly higher in HC. ⩒Lamax and POmax during sprint exercise are highly reliable and demonstrate a correlation in both HC and C. However, since ⩒Lamax and POmax are significantly higher in C and not correlated between HC and C, ⩒Lamax and POmax seem to be extremity-specific.

AB - The aim of this study was to assess lactate kinetics, maximal lactate accumulation rate (⩒Lamax) and peak power output (POmax) in a 15-s all-out exercise in handcycling (HC) and cycling (C) in terms of (1) reliability, (2) differences and (3) correlations between HC and C. Eighteen female and male competitive triathletes performed two trials (separated by one week) of a 15-s all-out sprint test in HC and C. Tests were performed in a recumbent racing handcycle and on the participants’ own road bike that were attached to an ergometer. Reliability was assessed using intraclass correlation coefficient (ICC). POmax and ⩒Lamax demonstrated high reliability in HC (ICC = 0.972, ICC = 0.828) and C (ICC = 0.937, ICC = 0.872). POmax (d = −2.54, P <0.0005) and ⩒Lamax (d = −1.62, P <0.0005) were lower in HC compared to C. POmax and ⩒Lamax correlated in HC (r = 0.729, P = 0.001) and C (r = 0.710, P = 0.001). There was no significant correlation between HC and C in POmax (r = 0.442, P = 0.066) and ⩒Lamax (r = 0.455, P = 0.058). Whereas the exchange velocity of lactate (k1) was similar in HC and C, the removal velocity (k2) was significantly higher in HC. ⩒Lamax and POmax during sprint exercise are highly reliable and demonstrate a correlation in both HC and C. However, since ⩒Lamax and POmax are significantly higher in C and not correlated between HC and C, ⩒Lamax and POmax seem to be extremity-specific.

KW - exercise

KW - metabolism

KW - performance

KW - physiology

KW - testing

UR - https://www.mendeley.com/catalogue/e9a17058-11ce-3572-b230-b8eb2576ff91/

U2 - 10.1080/17461391.2020.1756420

DO - 10.1080/17461391.2020.1756420

M3 - Journal articles

JO - European Journal of Sport Science

JF - European Journal of Sport Science

SN - 1746-1391

ER -

ID: 5166364