Maximal lactate steady state estimated by different methods of anaerobic threshold
The aim of this study was to compare anaerobic threshold (AT) as determined by four different methods with maximal lactate steady state (MLSS) in endurance runners. Nine moderately trained runners performed the following tests on different days: a maximal incremental exercise test to determine maxim...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Universidade Federal de Santa Catarina
2012-04-01
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| Series: | Revista Brasileira de Cineantropometria e Desempenho Humano |
| Subjects: | |
| Online Access: | https://periodicos.ufsc.br/index.php/rbcdh/article/view/14219 |
| _version_ | 1818022963841073152 |
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| author | Kristopher Mendes de Souza Talita Grossl Rubens José Babel Junior Ricardo Dantas de Lucas Vitor Pereira Costa Luiz Guilherme Antonacci Guglielmo |
| author_facet | Kristopher Mendes de Souza Talita Grossl Rubens José Babel Junior Ricardo Dantas de Lucas Vitor Pereira Costa Luiz Guilherme Antonacci Guglielmo |
| author_sort | Kristopher Mendes de Souza |
| collection | DOAJ |
| description | The aim of this study was to compare anaerobic threshold (AT) as determined by four different methods with maximal lactate steady state (MLSS) in endurance runners. Nine moderately trained runners performed the following tests on different days: a maximal incremental exercise test to determine maximal oxygen uptake (VO2max), velocity at VO-2max (vVO2max), and blood lactate response; and two to five 30-min constant load tests to determine MLSS. Based on the incremental test, four methods of AT determination were used: AT1 – velocity at 3.5 mmol.L-1 blood lactate; AT2 – velocity corresponding to the minimum lactate-velocity equivalent plus 1.5 mmol.L-1; AT3 – velocity at Dmax; and AT4 – velocity before the second consecutive blood lactate increase greater than 0.5 mmol.L-1. There were no significant differences between MLSS and AT as determined by four different methods. However, the Bland-Altman analysis showed the extent of disagreement between variables when the subjects were analyzed individually. MLSS was significantly correlated with AT1 (r=0.68; p=0.04) and AT2 (r=0.79; p=0.01). Thus, although no significant differences were found between AT methods and MLSS, one should be cautious about using these methods interchangeably. |
| first_indexed | 2024-12-10T03:36:47Z |
| format | Article |
| id | doaj.art-edbb97d4fd524de98ca2738c0ed919cc |
| institution | Directory Open Access Journal |
| issn | 1415-8426 1980-0037 |
| language | English |
| last_indexed | 2024-12-10T03:36:47Z |
| publishDate | 2012-04-01 |
| publisher | Universidade Federal de Santa Catarina |
| record_format | Article |
| series | Revista Brasileira de Cineantropometria e Desempenho Humano |
| spelling | doaj.art-edbb97d4fd524de98ca2738c0ed919cc2022-12-22T02:03:42ZengUniversidade Federal de Santa CatarinaRevista Brasileira de Cineantropometria e Desempenho Humano1415-84261980-00372012-04-0114326427510.5007/1980-0037.2012v14n3p26417867Maximal lactate steady state estimated by different methods of anaerobic thresholdKristopher Mendes de Souza0Talita Grossl1Rubens José Babel Junior2Ricardo Dantas de Lucas3Vitor Pereira Costa4Luiz Guilherme Antonacci Guglielmo5Universidade Federal de Santa Catarina. Laboratório de Esforço Físico. Centro de Desportos. Florianópolis, SC. Brazil.Universidade Federal de Santa Catarina. Laboratório de Esforço Físico. Centro de Desportos. Florianópolis, SC. Brazil.Universidade Federal de Santa Catarina. Laboratório de Esforço Físico. Centro de Desportos. Florianópolis, SC. Brazil.UUniversidade Federal de Santa Catarina. Laboratório de Esforço Físico. Centro de Desportos. Florianópolis, SC. Brazil.Universidade Federal de Santa Catarina. Laboratório de Esforço Físico. Centro de Desportos. Florianópolis, SC. Brazil.Universidade Federal de Santa Catarina. Laboratório de Esforço Físico. Centro de Desportos. Florianópolis, SC. Brazil.The aim of this study was to compare anaerobic threshold (AT) as determined by four different methods with maximal lactate steady state (MLSS) in endurance runners. Nine moderately trained runners performed the following tests on different days: a maximal incremental exercise test to determine maximal oxygen uptake (VO2max), velocity at VO-2max (vVO2max), and blood lactate response; and two to five 30-min constant load tests to determine MLSS. Based on the incremental test, four methods of AT determination were used: AT1 – velocity at 3.5 mmol.L-1 blood lactate; AT2 – velocity corresponding to the minimum lactate-velocity equivalent plus 1.5 mmol.L-1; AT3 – velocity at Dmax; and AT4 – velocity before the second consecutive blood lactate increase greater than 0.5 mmol.L-1. There were no significant differences between MLSS and AT as determined by four different methods. However, the Bland-Altman analysis showed the extent of disagreement between variables when the subjects were analyzed individually. MLSS was significantly correlated with AT1 (r=0.68; p=0.04) and AT2 (r=0.79; p=0.01). Thus, although no significant differences were found between AT methods and MLSS, one should be cautious about using these methods interchangeably.https://periodicos.ufsc.br/index.php/rbcdh/article/view/14219aerobic exerciseblood lactaterunning. |
| spellingShingle | Kristopher Mendes de Souza Talita Grossl Rubens José Babel Junior Ricardo Dantas de Lucas Vitor Pereira Costa Luiz Guilherme Antonacci Guglielmo Maximal lactate steady state estimated by different methods of anaerobic threshold Revista Brasileira de Cineantropometria e Desempenho Humano aerobic exercise blood lactate running. |
| title | Maximal lactate steady state estimated by different methods of anaerobic threshold |
| title_full | Maximal lactate steady state estimated by different methods of anaerobic threshold |
| title_fullStr | Maximal lactate steady state estimated by different methods of anaerobic threshold |
| title_full_unstemmed | Maximal lactate steady state estimated by different methods of anaerobic threshold |
| title_short | Maximal lactate steady state estimated by different methods of anaerobic threshold |
| title_sort | maximal lactate steady state estimated by different methods of anaerobic threshold |
| topic | aerobic exercise blood lactate running. |
| url | https://periodicos.ufsc.br/index.php/rbcdh/article/view/14219 |
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