A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
Power Loading-Induced Fatigue is Influenced by Menstrual Cycle Phase (2022)


Peltonen, H., Mikkonen-Taipale, R., Uimonen, T., Walker, S., Hackney, A. C., Valtonen, M., Kyröläinen, H., & Ihalainen, J. K. (2022). Power Loading-Induced Fatigue is Influenced by Menstrual Cycle Phase. Medicine and Science in Sports and Exercise, 54(7), 1190-1198. https://doi.org/10.1249/mss.0000000000002904


JYU-tekijät tai -toimittajat


Julkaisun tiedot

Julkaisun kaikki tekijät tai toimittajat: Peltonen, Heikki; Mikkonen-Taipale, Ritva; Uimonen, Teemu; Walker, Simon; Hackney, Anthony C.; Valtonen, Maarit; Kyröläinen, Heikki; Ihalainen, Johanna K.

Lehti tai sarja: Medicine and Science in Sports and Exercise

ISSN: 0195-9131

eISSN: 1530-0315

Julkaisuvuosi: 2022

Volyymi: 54

Lehden numero: 7

Artikkelin sivunumerot: 1190-1198

Kustantaja: Lippincott Williams & Wilkins

Julkaisumaa: Yhdysvallat (USA)

Julkaisun kieli: englanti

DOI: https://doi.org/10.1249/mss.0000000000002904

Julkaisun avoin saatavuus: Avoimesti saatavilla

Julkaisukanavan avoin saatavuus: Osittain avoin julkaisukanava

Julkaisu on rinnakkaistallennettu (JYX): https://jyx.jyu.fi/handle/123456789/83304


Tiivistelmä

Purpose
To examine the effects of fatiguing power-loading on neuromuscular properties, force production, and metabolic capacities during four phases of the menstrual cycle (MC); menstruation (M), mid-follicular (mid FOL), ovulation (OV), and mid-luteal (mid LUT).
Methods
Sixteen eumenorrheic women performed sessions of maximal explosive leg press (2x10 at 60%1RM load with 2 min recovery between sets). Serum hormones and neuromuscular responses were measured.
Results
The loading protocol significantly decreased power (between -14.2% and -12.5%; p < 0.001) and maximal force production (between MVC; -15.0% and -7.8%; p < 0.001–0.05), while decreasing activation level (between AL; -6.9% and -2.2%; p < 0.001–0.05) in all MC-phases. The decreases in AL were greater during mid LUT (p < 0.01) compared to OV. Changes in MVC and AL associated (r2 = 0.53; p < 0.01) at all MC-phases. The decrease in EMG during MVC did not differ between the MC-phases, however, mean power frequency was higher during M (+7.7%; p < 0.05) and mid LUT (+3.1%; p < 0.05) compared to OV (-7.5%). Resting twitch force decreased during mid FOL (-6.9%; p < 0.05) and mid LUT (-16.2%; p < 0.001), and these values were significantly decreased (p < 0.05) compared to OV. In addition, resting twitch force at mid LUT was lower (p < 0.01) compared to M. Blood lactate levels increased more (p < 0.05) during M compared to mid LUT. Some serum hormone concentrations associated with fatigue-induced changes in neuromuscular properties and force production, but these correlations behaved differently between the MC-phases.
Conclusions
OV may offer a more favorable hormonal milieu for acute neural responses, while mid FOL and mid LUT appear to be superior for acute muscular responses.


YSO-asiasanat: voimaharjoittelu; naiset; lihasvoima; hermo-lihastoiminta; aineenvaihdunta; suorituskyky; väsymys; ovulaatio; kuukautiskierto; hormonit

Vapaat asiasanat: eumenorrheic; resistance exercise; neuromuscular; central fatigue; peripheral fatigue


Liittyvät organisaatiot


Hankkeet, joissa julkaisu on tehty


OKM-raportointi: Kyllä

Raportointivuosi: 2022

Alustava JUFO-taso: 3


Viimeisin päivitys 2022-21-09 klo 12:04