LIVIVO - The Search Portal for Life Sciences

zur deutschen Oberfläche wechseln
Advanced search

Search results

Result 1 - 3 of total 3

Search options

  1. Article ; Online: Effects of Training and Taper on Neuromuscular Fatigue Profile on 100-m Swimming Performance.

    Ribeiro, Felipe Alves / de Carvalho, Carlos Dellavechia / Andreossi, Júlia Causin / Miranda, Douglas Rodrigues Messias / Papoti, Marcelo

    International journal of sports medicine

    2022  Volume 44, Issue 5, Page(s) 329–335

    Abstract: This study aimed to investigate the effects of 6-week specific preparatory period and 2-week taper period on neuromuscular fatigue profile in 100-m front crawl swimming performance. Seventeen competitive-level young-adult swimmers performed a 100-m ... ...

    Abstract This study aimed to investigate the effects of 6-week specific preparatory period and 2-week taper period on neuromuscular fatigue profile in 100-m front crawl swimming performance. Seventeen competitive-level young-adult swimmers performed a 100-m swimming performance at baseline and after 6-week specific preparatory followed by 2-week taper periods. Neuromuscular fatigue profile was assessed through percutaneous electrical stimuli on the femoral nerve during a maximal voluntary contraction performed before and immediately after each 100-m maximal effort. Performance improved (p=0.001) 2.24 and 3.06% after specific and taper, respectively. Potentiated peak force at post-effort condition decreased (p<0.001) 16.26% at baseline, 11.70% at specific, and 12.86% at taper period. Maximal voluntary contraction force also decreased (p<0.001) at post-effort condition by about 6.77 and 9.33% at baseline and specific period, respectively. Both variables did not present significant differences between times. No condition or time effects were observed to superimposed peak force and voluntary activation, both related to central fatigue. In conclusion, neuromuscular fatigue during 100-m swimming performance was exclusively developed by peripheral mechanisms regardless of the training period, and 2-week taper was able to prevent decreases in maximal voluntary contraction induced by 100-m maximal effort.
    MeSH term(s) Adult ; Humans ; Swimming/physiology ; Muscle Fatigue
    Language English
    Publishing date 2022-05-02
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 603122-5
    ISSN 1439-3964 ; 0172-4622 ; 0943-917X
    ISSN (online) 1439-3964
    ISSN 0172-4622 ; 0943-917X
    DOI 10.1055/a-1841-3081
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

  2. Article: [No title information]

    Ribeiro, Felipe Alves / de Carvalho, Carlos Dellavechia / Andreossi, Júlia Causin / Miranda, Douglas Rodrigues Messias / Papoti, Marcelo

    International Journal of Sports Medicine

    2022  Volume 44, Issue 05, Page(s) 329–335

    Abstract: This study aimed to investigate the effects of 6-week specific preparatory period and 2-week taper period on neuromuscular fatigue profile in 100-m front crawl swimming performance. Seventeen competitive-level ... ...

    Abstract This study aimed to investigate the effects of 6-week specific preparatory period and 2-week taper period on neuromuscular fatigue profile in 100-m front crawl swimming performance. Seventeen competitive-level young-adult swimmers performed a 100-m swimming performance at baseline and after 6-week specific preparatory followed by 2-week taper periods. Neuromuscular fatigue profile was assessed through percutaneous electrical stimuli on the femoral nerve during a maximal voluntary contraction performed before and immediately after each 100-m maximal effort. Performance improved (p=0.001) 2.24 and 3.06% after specific and taper, respectively. Potentiated peak force at post-effort condition decreased (p<0.001) 16.26% at baseline, 11.70% at specific, and 12.86% at taper period. Maximal voluntary contraction force also decreased (p<0.001) at post-effort condition by about 6.77 and 9.33% at baseline and specific period, respectively. Both variables did not present significant differences between times. No condition or time effects were observed to superimposed peak force and voluntary activation, both related to central fatigue. In conclusion, neuromuscular fatigue during 100-m swimming performance was exclusively developed by peripheral mechanisms regardless of the training period, and 2-week taper was able to prevent decreases in maximal voluntary contraction induced by 100-m maximal effort.
    Keywords voluntary activation ; twitch interpolation technique ; percutaneous electrical stimuli
    Language English
    Publishing date 2022-05-02
    Publisher Georg Thieme Verlag
    Publishing place Stuttgart ; New York
    Document type Article
    ZDB-ID 603122-5
    ISSN 1439-3964 ; 0172-4622 ; 0943-917X
    ISSN (online) 1439-3964
    ISSN 0172-4622 ; 0943-917X
    DOI 10.1055/a-1841-3081
    Database Thieme publisher's database

    More links

    Kategorien

  3. Article ; Online: Effects of Moderate-Intensity Training Under Cyclic Hypoxia on Cardiorespiratory Fitness and Hematological Parameters in People Recovered From COVID-19: The AEROBICOVID Study.

    Dellavechia de Carvalho, Carlos / Bertucci, Danilo Rodrigues / Ribeiro, Felipe Alves / Costa, Gabriel Peinado / Toro, Diana Mota / Camacho-Cardenosa, Marta / Brazo-Sayavera, Javier / Sorgi, Carlos Arterio / Papoti, Marcelo / Trapé, Átila Alexandre

    Sports health

    2022  Volume 15, Issue 4, Page(s) 558–570

    Abstract: Background: Recent studies have indicated that people who live at altitude have a lower incidence of coronavirus disease (COVID-19) and lesser severity in infection cases.: Hypothesis: Hypoxia exposure could lead to health benefits, and it could be ... ...

    Abstract Background: Recent studies have indicated that people who live at altitude have a lower incidence of coronavirus disease (COVID-19) and lesser severity in infection cases.
    Hypothesis: Hypoxia exposure could lead to health benefits, and it could be used in the recovery process as an additional stimulus to physical training to improve cardiorespiratory fitness (CRF).
    Study design: Randomized controlled clinical trial.
    Level of evidence: Level 2.
    Methods: The 43 participants, aged 30 to 69 years, were divided into control group (CG, n = 18) and 2 training groups: normoxia (NG, n = 9) and hypoxia (HG, n = 16). Before and after the intervention were evaluated the lactate threshold 2 (L2), peak oxygen uptake (VO
    Results: The 8-week intervention promoted a similar improvement in CRF of people recovered from COVID-19 in the HG (L2 = 34.6%; VO
    Conclusion: The results of the present study provide evidence that moderate-intensity training in normoxia or hypoxia promoted similar benefits in CRF of people recovered from COVID-19. Furthermore, the hypoxia offered an additional stimulus to training promoting erythropoietin increase and hematological stimulation.
    Clinical relevance: The present exercise protocol can be used for the rehabilitation of people recovered from COVID-19, with persistent low CRF. In addition, this is the first study demonstrating that physical training combined with hypoxia, as well as improving CRF, promotes greater hematological stimulation in people recovered from COVID-19.
    MeSH term(s) Humans ; Cardiorespiratory Fitness/physiology ; COVID-19 ; Erythropoietin ; Hypoxia/therapy ; Oxygen ; Adult ; Middle Aged ; Aged
    Chemical Substances Erythropoietin (11096-26-7) ; Oxygen (S88TT14065)
    Language English
    Publishing date 2022-09-25
    Publishing country United States
    Document type Randomized Controlled Trial ; Journal Article
    ZDB-ID 2508802-6
    ISSN 1941-0921 ; 1941-7381
    ISSN (online) 1941-0921
    ISSN 1941-7381
    DOI 10.1177/19417381221120639
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

To top