Results 1 to 10 of about 1,165,212 (259)

Regulation of autonomic nervous system by acupuncture: a heart rate variability study on physical stress [PDF]

Frontiers in Human Neuroscience
IntroductionThis study aimed to investigate the effects of acupuncture and moxibustion, as well as various acupoints, on human autonomic nervous system (ANS) function and physical stress. The research further to identify effective intervention strategies
Lun Li, Sha Liang, Jinfeng Bai, Yun Zeng, Mengzhen Zhang, Zhongwen Li, Dingshang Yan, Yangming Hu, Liang He, Yizhe Liu, Qi Liu, Yingjun Zhang, Min Feng   +12 more
doaj   +2 more sources

Human Stress and StO2: Database, Features, and Classification of Emotional and Physical Stress [PDF]

Entropy, 2020
Emotional and physical stress can cause various health problems. In this paper, we used tissue blood oxygen saturation (StO2), a newly proposed physiological signal, to classify the human stress. We firstly constructed a public StO2 database including 42
Xinyu Liu, Yuhao Shan, Min Peng, Huanyu Chen, Tong Chen   +4 more
doaj   +2 more sources

Cardiovascular reactivity, stress, and physical activity [PDF]

Frontiers in Physiology, 2013
Psychological stress has been proposed as a major contributor to the progression of cardiovascular disease (CVD). Acute mental stress can activate the sympathetic-adrenal-medullary (SAM) axis, eliciting the release of catecholamines (NE and EPI) resulting in the elevation of heart rate (HR) and blood pressure (BP).
Chun-Jung Huang, Heather E Webb, Edmund Acevedo   +2 more
exaly   +4 more sources

Stress Fractures Caused by Physical Exercise [PDF]

Acta Orthopaedica, 1978
A series of 142 stress fractures caused by sporting activities and physical exercise is presented. 121 fractures occurred in athletes and 21 in non-competitive sportsmen. Distance runners presented with 68 fractures, skiers 12, sprinters 10, orienteering runners 9, vaulters 3, and football-players 3 fractures. Athletes engaged in other events had fewer
S Orava, Jaakko Puranen, Sakari Orava
exaly   +3 more sources

Resolving Ambiguities in the LF/HF Ratio: LF-HF Scatter Plots for the Categorization of Mental and Physical Stress from HRV

Frontiers in Physiology, 2017
It is generally accepted that the activities of the autonomic nervous system (ANS), which consists of the sympathetic (SNS) and parasympathetic nervous systems (PNS), are reflected in the low- (LF) and high-frequency (HF) bands in heart rate variability (
Wilhelm von Rosenberg, Theerasak Chanwimalueang, Tricia Adjei, Usman Jaffer, Valentin Goverdovsky, Danilo P. Mandic   +5 more
doaj   +3 more sources

Validity of mental and physical stress models. [PDF]

Neurosci Biobehav Rev
Different stress models are employed to enhance our understanding of the underlying mechanisms and explore potential interventions. However, the utility of these models remains a critical concern, as their validities may be limited by the complexity of stress processes.
Hendry E, McCallister B, Elman DJ, Freeman R, Borsook D, Elman I.   +5 more
europepmc   +3 more sources

Evaluating Physical Stress across Task Difficulty Levels in Augmented Reality-Assisted Industrial Maintenance

Applied Sciences, 2023
Many studies have revealed the benefits of augmented reality (AR) to enhance productivity and fulfill a quality function in industry. Yet, the potential adverse effects of AR, such as physical stress, have not been extensively studied.
Faisal M. Alessa, Mohammed H. Alhaag, Ibrahim M. Al-harkan, Mustafa M. Nasr, Husam Kaid, Nacereddine Hammami   +5 more
doaj   +1 more source

Cultivation of the microalgae Chlamydomonas reinhardtii and Desmodesmus quadricauda in highly deuterated media: Balancing the light intensity

Frontiers in Bioengineering and Biotechnology, 2022
The production of organic deuterated compounds in microalgal systems represents a cheaper and more versatile alternative to more complicated chemical synthesis.
Veronika Kselíková, Veronika Kselíková, Kamila Husarčíková, Peter Mojzeš, Vilém Zachleder, Kateřina Bišová   +5 more
doaj   +1 more source

Gender Differences in Takotsubo Syndrome

Biology, 2022
Most patients with Takotsubo Syndrome (TTS) are postmenopausal females. TTS in males is rare and gender differences have not been sufficiently investigated. Therefore, we investigated gender differences in TTS. TTS in males and females is often triggered
Tsutomu Murakami, Tomoyoshi Komiyama, Hiroyuki Kobayashi, Yuji Ikari   +3 more
doaj   +1 more source

Oxidative stress and physical activity [PDF]

Sportlogia, 2012
The cells continuously produce free radicals and reactive oxygen species as a part of metabolic processes. Increased aerobic metabolism during exercise is a potential source of oxidative stress. Also, anaerobic physical activity and oxidative stress are interrelated because the intense anaerobic activity leads to damage proteins, lipids and nucleic ...
Dragan Radovanović, Marija Stanković
openaire   +2 more sources