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Immediate but not prolonged effects of submaximal eccentric vs concentric fatiguing protocols on the etiology of hamstrings' motor performance fatigue.
Corcelle, Baptiste; Da Silva, Flavio; Monjo, Florian; Gioda, Jennifer; Giacomo, Jean-Patrick; Blain, Grégory M; Colson, Serge S; Piponnier, Enzo.
Afiliación
  • Corcelle B; Laboratoire Motricité Humaine Expertise Sport Santé (UPR6312), Université Côte d'Azur, Boulevard du Mercantour, 06205, 261, Nice, France. baptiste.corcelle@univ-cotedazur.fr.
  • Da Silva F; Laboratoire Motricité Humaine Expertise Sport Santé (UPR6312), Université Côte d'Azur, Boulevard du Mercantour, 06205, 261, Nice, France.
  • Monjo F; Laboratoire Motricité Humaine Expertise Sport Santé (UPR6312), Université Côte d'Azur, Boulevard du Mercantour, 06205, 261, Nice, France.
  • Gioda J; Laboratoire Interuniversitaire de Biologie de La Motricité, Université Savoie Mont Blanc, Chambéry, Le Bourget-du-Lac, France.
  • Giacomo JP; Laboratoire Motricité Humaine Expertise Sport Santé (UPR6312), Université Côte d'Azur, Boulevard du Mercantour, 06205, 261, Nice, France.
  • Blain GM; Human Kinematic, Carros, France.
  • Colson SS; Laboratoire Motricité Humaine Expertise Sport Santé (UPR6312), Université Côte d'Azur, Boulevard du Mercantour, 06205, 261, Nice, France.
  • Piponnier E; Laboratoire Motricité Humaine Expertise Sport Santé (UPR6312), Université Côte d'Azur, Boulevard du Mercantour, 06205, 261, Nice, France.
Eur J Appl Physiol ; 2024 Jun 07.
Article en En | MEDLINE | ID: mdl-38847870
ABSTRACT

PURPOSE:

Our study aimed to compare the immediate and prolonged effects of submaximal eccentric (ECC) and concentric (CON) fatiguing protocols on the etiology of hamstrings' motor performance fatigue.

METHODS:

On separate days, 16 males performed sets of 5 unilateral ECC or CON hamstrings' contractions at 80% of their 1 Repetition Maximum (1 RM) until a 20% decrement in maximal voluntary isometric contraction (MVC) torque was reached. Electrical stimulations were delivered during and after MVCs at several time points before, throughout, immediately after (POST) and 24 h (POST 24) after the exercise. Potentiated twitch torques (T100 and T10, respectively) were recorded in response to high and low frequency paired electrical stimulations, and hamstrings' voluntary activation (VA) level was determined using the interpolated twitch technique. For statistical analysis, all indices of hamstrings' motor performance fatigue were expressed as a percentage of their respective baseline value.

RESULTS:

At POST, T100 (ECC -13.3%; CON -9.7%; p < 0.001), T10 (ECC -5.1%; CON -11.8%; p < 0.05) and hamstrings' VA level (ECC -3.0%; CON -2.4%; p < 0.001) were significantly reduced from baseline, without statistical differences between fatigue conditions. At POST24, all indices of hamstrings' motor performance fatigue returned to their baseline values.

CONCLUSION:

These results suggest that the contribution of muscular and neural mechanisms in hamstrings' motor performance fatigue may not depend on contraction type. This may have implications for practitioners, as ECC and CON strengthening could be similarly effective to improve hamstrings' fatigue resistance.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Eur J Appl Physiol Asunto de la revista: FISIOLOGIA Año: 2024 Tipo del documento: Article País de afiliación: Francia Pais de publicación: Alemania
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Eur J Appl Physiol Asunto de la revista: FISIOLOGIA Año: 2024 Tipo del documento: Article País de afiliación: Francia Pais de publicación: Alemania