Exercise-induced trunk fatigue decreases double poling performance in well-trained cross-country skiers

Bucher, Elias; Sandbakk, Øyvind; Donath, Lars; Roth, Ralf; Zahner, Lukas; Faude, Oliver

doi:10.1007/s00421-018-3938-4

Cited by 15 publications

(13 citation statements)

References 42 publications

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“…Behavioral observations propose that exercise and brain function interact in a dose-response relationship, assigning the most beneficial effect on brain function to moderate-to high-intensity exercise (Herold et al 2019). In line with that, exhaustive exercise is associated with loss of distinct brain function, for instance, expressed by altered kinematics in cyclic motor tasks (Bassan et al 2015;Bucher et al 2018;Zory et al 2009). Consequently, the analysis of modulations of regional brain activity does not reflect this intensity-dependent pattern.…”

Section: Power Analysismentioning

confidence: 99%

“…Taken together, monitoring RSN efficiency by means of graph theory might help to better understand exerciseinduced modulations of human behavior. With regard to sport and exercise, the observed loss of RSN efficiency may serve to explain performance decrements during or after exhaustive exercise bouts (Bassan et al 2015;Bucher et al 2018;Zory et al 2009). Graph measures obtained from athletes during rest may therefore reveal complementary information on an athlete's readiness to perform motor coordination tasks, displaying the brains responsiveness to external stimuli (Raichle 2011).…”

Section: Brain Mechanisms Underlying Modulations Of Brain Networkmentioning

confidence: 99%

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Exploring intensity-dependent modulations in EEG resting-state network efficiency induced by exercise

2021

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Purpose Exhaustive cardiovascular load can affect neural processing and is associated with decreases in sensorimotor performance. The purpose of this study was to explore intensity-dependent modulations in brain network efficiency in response to treadmill running assessed from resting-state electroencephalography (EEG) measures. Methods Sixteen trained participants were tested for individual peak oxygen uptake (VO2 peak) and performed an incremental treadmill exercise at 50% (10 min), 70% (10 min) and 90% speed VO2 peak (all-out) followed by cool-down running and active recovery. Before the experiment and after each stage, borg scale (BS), blood lactate concentration (BLa), resting heartrate (HRrest) and 64-channel EEG resting state were assessed. To analyze network efficiency, graph theory was applied to derive small world index (SWI) from EEG data in theta, alpha-1 and alpha-2 frequency bands. Results Analysis of variance for repeated measures revealed significant main effects for intensity on BS, BLa, HRrest and SWI. While BS, BLa and HRrest indicated maxima after all-out, SWI showed a reduction in the theta network after all-out. Conclusion Our explorative approach suggests intensity-dependent modulations of resting-state brain networks, since exhaustive exercise temporarily reduces brain network efficiency. Resting-state network assessment may prospectively play a role in training monitoring by displaying the readiness and efficiency of the central nervous system in different training situations.

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Section: Power Analysismentioning

confidence: 99%

Section: Brain Mechanisms Underlying Modulations Of Brain Networkmentioning

confidence: 99%

Exploring intensity-dependent modulations in EEG resting-state network efficiency induced by exercise

2021

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“…Nevertheless, numerous studies have reported that fatigue elicited by physical training translates into worsened sport performance. For instance, cross-country skiers had decreased double poling performance after a 25 min trunk fatiguing exercise sequence, compared with a 25 min rest [16], and fatigued ballet dancers exhibited impaired movement control, which may increase the risk of injury [17]. Interestingly, impaired performance appeared to be associated with not only physical and muscular fatigue, but also mental fatigue.…”

Section: Fatigue Lack Of Energy and Lower Physical And Cognitive Permentioning

confidence: 99%

Vitamins and Minerals for Energy, Fatigue and Cognition: A Narrative Review of the Biochemical and Clinical Evidence

et al. 2020

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Vitamins and minerals are essential to humans as they play essential roles in a variety of basic metabolic pathways that support fundamental cellular functions. In particular, their involvement in energy-yielding metabolism, DNA synthesis, oxygen transport, and neuronal functions makes them critical for brain and muscular function. These, in turn, translate into effects on cognitive and psychological processes, including mental and physical fatigue. This review is focused on B vitamins (B1, B2, B3, B5, B6, B8, B9 and B12), vitamin C, iron, magnesium and zinc, which have recognized roles in these outcomes. It summarizes the biochemical bases and actions of these micronutrients at both the molecular and cellular levels and connects them with cognitive and psychological symptoms, as well as manifestations of fatigue that may occur when status or supplies of these micronutrients are not adequate.

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“…Line of identity is shown as a dashed line. From Sandbakk et al (2014, 2016a), Skattebo et al (2016, 2019), Hegge et al (2015), Fabre et al (2010), Vandbakk et al (2017), Holmberg and Nilsson (2008), Borve et al (2017), Carlsson et al (2014, 2016), Bucher et al (2018), Sagelv et al (2018), Holmberg et al (2007), Bojsen-Moller et al (2010), Losnegard et al (2014), Bjorklund et al (2015), Nilsson et al (2004b), Rud et al (2014), Stadheim et al (2013, 2014) and Hoff et al (2002)…”

Section: Introductionmentioning

confidence: 99%

Energy system contribution during competitive cross-country skiing

Losnegard

2019

Eur J Appl Physiol

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Energy system contribution during crosscountry (XC) skiing races is dependent on several factors, including the race duration, track profile, and sub-techniques applied, and their subsequent effects on the use of the upper and lower body. This review provides a scientific synopsis of the interactions of energy system contributions from a physiological, technical, and tactical perspective. On average, the aerobic proportion of the total energy expended during XC skiing competitions is comparable to the values for other sports with similar racing times. However, during both sprint (≤ 1.8 km) and distance races (≥ 10 and 15 km, women and men, respectively) a high aerobic turnover interacts with subsequent periods of very high work rates at ~ 120 to 160% of VO 2peak during the uphill sections of the race. The repeated intensity fluctuations are possible due to the nature of skiing, which involves intermittent downhills where skiers can recover. Thus, the combination of high and sustained aerobic energy turnover and repeated work rates above VO 2peak , interspersed with short recovery periods, distinguishes XC skiing from most other endurance sports. The substantially increased average speed in races over recent decades, frequent competitions in mass starts and sprints, and the greater importance of short periods at high speeds in various sub-techniques, have demanded changes in the physiological, technical, and tactical abilities needed to achieve world-class level within the specific disciplines.

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Exercise-induced trunk fatigue decreases double poling performance in well-trained cross-country skiers

Cited by 15 publications

References 42 publications

Exploring intensity-dependent modulations in EEG resting-state network efficiency induced by exercise

Exploring intensity-dependent modulations in EEG resting-state network efficiency induced by exercise

Vitamins and Minerals for Energy, Fatigue and Cognition: A Narrative Review of the Biochemical and Clinical Evidence

Energy system contribution during competitive cross-country skiing

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