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  1. Article ; Online: Exercise Cardiac Load and Autonomic Nervous System Recovery during In-Season Training: The Impact on Speed Deterioration in American Football Athletes.

    Renaghan, Eric / Wittels, Harrison L / Feigenbaum, Luis A / Wishon, Michael Joseph / Chong, Stephanie / Wittels, Eva Danielle / Hendricks, Stephanie / Hecocks, Dustin / Bellamy, Kyle / Girardi, Joe / Lee, Stephen / Vo, Tri / McDonald, Samantha M / Wittels, S Howard

    Journal of functional morphology and kinesiology

    2023  Volume 8, Issue 3

    Abstract: Fully restoring autonomic nervous system (ANS) function is paramount for peak sports performance. Training programs failing to provide sufficient recovery, especially during the in-season, may negatively affect performance. This study aimed to evaluate ... ...

    Abstract Fully restoring autonomic nervous system (ANS) function is paramount for peak sports performance. Training programs failing to provide sufficient recovery, especially during the in-season, may negatively affect performance. This study aimed to evaluate the influence of the physiological workload of collegiate football training on ANS recovery and function during the in-season. Football athletes recruited from a D1 college in the southeastern US were prospectively followed during their 13-week "in-season". Athletes wore armband monitors equipped with ECG and inertial movement capabilities that measured exercise cardiac load (ECL; total heartbeats) and maximum running speed during and baseline heart rate (HR), HR variability (HRV) 24 h post-training. These metrics represented physiological load (ECL = HR·Duration), ANS function, and recovery, respectively. Linear regression models evaluated the associations between ECL, baseline HR, HRV, and maximum running speed. Athletes (n = 30) were 20.2 ± 1.5 years, mostly non-Hispanic Black (80.0%). Negative associations were observed between acute and cumulative exposures of ECLs and running speed (β = -0.11 ± 0.00,
    Language English
    Publishing date 2023-09-12
    Publishing country Switzerland
    Document type Journal Article
    ISSN 2411-5142
    ISSN (online) 2411-5142
    DOI 10.3390/jfmk8030134
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: A Novel Metric "Exercise Cardiac Load" Proposed to Track and Predict the Deterioration of the Autonomic Nervous System in Division I Football Athletes.

    Wittels, S Howard / Renaghan, Eric / Wishon, Michael Joseph / Wittels, Harrison L / Chong, Stephanie / Wittels, Eva Danielle / Hendricks, Stephanie / Hecocks, Dustin / Bellamy, Kyle / Girardi, Joe / Lee, Stephen / Vo, Tri / McDonald, Samantha M / Feigenbaum, Luis A

    Journal of functional morphology and kinesiology

    2023  Volume 8, Issue 4

    Abstract: Current metrics like baseline heart rate (HR) and HR recovery fail in predicting overtraining (OT), a syndrome manifesting from a deteriorating autonomic nervous system (ANS). Preventing OT requires tracking the influence of internal physiological loads ... ...

    Abstract Current metrics like baseline heart rate (HR) and HR recovery fail in predicting overtraining (OT), a syndrome manifesting from a deteriorating autonomic nervous system (ANS). Preventing OT requires tracking the influence of internal physiological loads induced by exercise training programs on the ANS. Therefore, this study evaluated the predictability of a novel, exercise cardiac load metric on the deterioration of the ANS. Twenty male American football players, with an average age of 21.3 years and body mass indices ranging from 23.7 to 39.2 kg/m
    Language English
    Publishing date 2023-10-07
    Publishing country Switzerland
    Document type Journal Article
    ISSN 2411-5142
    ISSN (online) 2411-5142
    DOI 10.3390/jfmk8040143
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    Kategorien

    Order via subito

    This service is chargeable due to the Delivery terms set by subito. Orders including an article and supplementary material will be classified as separate orders. In these cases, fees will be demanded for each order.

    Inter-library loan at ZB MED

    Your chosen title can be delivered directly to ZB MED Cologne location if you are registered as a user at ZB MED Cologne.

  3. Article: Recovery of the autonomic nervous system following football training among division I collegiate football athletes: The influence of intensity and time.

    Wittels, S Howard / Renaghan, Eric / Wishon, Michael Joseph / Wittels, Harrison L / Chong, Stephanie / Wittels, Eva Danielle / Hendricks, Stephanie / Hecocks, Dustin / Bellamy, Kyle / Girardi, Joe / Lee, Stephen / McDonald, Samantha / Feigenbaum, Luis A

    Heliyon

    2023  Volume 9, Issue 7, Page(s) e18125

    Abstract: The autonomic nervous system (ANS) is profoundly affected by high intensity exercise. However, evidence is less clear on ANS recovery and function following prolonged bouts of high intensity exercise, especially in non-endurance athletes. Therefore, this ...

    Abstract The autonomic nervous system (ANS) is profoundly affected by high intensity exercise. However, evidence is less clear on ANS recovery and function following prolonged bouts of high intensity exercise, especially in non-endurance athletes. Therefore, this study aimed to investigate the relationships between duration and intensity of acute exercise training sessions and ANS recovery and function in Division I football athletes. Fifty, male football athletes were included in this study. Subjects participated in 135 days of exercise training sessions throughout the 25-week season and wore armband monitors (Warfighter Monitor, Tiger Tech Solutions) equipped with electrocardiography capabilities. Intensity was measured via heart rate (HR) during an 'active state', defined as HR ≥ 85 bpm. Further, data-driven intensity thresholds were used and included HR < 140 bpm, HR < 150 bpm, HR < 160 bpm, HR ≥ 140 bpm, HR ≥ 150 bpm and HR ≥ 160 bpm. Baseline HR and HR recovery were measured and represented ANS recovery and function 24h post-exercise. Linear regression models assessed the relationships between time spent at the identified intensity thresholds and ANS recovery and function 24h post-exercise. Statistical significance set at α < 0.05. Athletes participated in 128 training sessions, totaling 2735 data points analyzed. Subjects were predominantly non-Hispanic black (66.0%), aged 21.2 (±1.5) years and average body mass index of 29.2 (4.7) kg⋅(m
    Language English
    Publishing date 2023-07-16
    Publishing country England
    Document type Journal Article
    ZDB-ID 2835763-2
    ISSN 2405-8440
    ISSN 2405-8440
    DOI 10.1016/j.heliyon.2023.e18125
    Database MEDical Literature Analysis and Retrieval System OnLINE

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