Kenichi Suijo

ORCID: 0000-0003-2230-0701
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About
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Research Areas
  • Cardiovascular and exercise physiology
  • Exercise and Physiological Responses
  • Muscle metabolism and nutrition
  • Heart Rate Variability and Autonomic Control
  • Sports Performance and Training
  • Physical Activity and Health
  • Urban Transport and Accessibility
  • Thermoregulation and physiological responses
  • Obesity, Physical Activity, Diet
  • Cardiovascular Effects of Exercise
  • Biochemical effects in animals
  • Stroke Rehabilitation and Recovery
  • Health and Wellbeing Research
  • High Altitude and Hypoxia
  • Health and Well-being Studies
  • Motor Control and Adaptation
  • Mental Health Research Topics
  • Muscle activation and electromyography studies
  • Coenzyme Q10 studies and effects
  • Transportation Planning and Optimization
  • Older Adults Driving Studies
  • Adipose Tissue and Metabolism
  • Chronic Obstructive Pulmonary Disease (COPD) Research
  • Mitochondrial Function and Pathology
  • Blood Pressure and Hypertension Studies

Chubu University
2020-2025

Tokyo Medical University
2009-2013

Tokyo Gakugei University
2006-2009

Josai International University
2009

Background: Recent research highlights the importance of environment as a determinant physical activity; however, evidence among Japanese is sparse. The aim this study was to examine association between perceived neighborhood and walking for multiple purposes Japanese.Methods: We conducted population-based, cross-sectional 1461 adults (age: 48.2 ± 14.1 years, men: 44.8%). Neighborhood were assessed by validated questionnaire. odds ratio active walkers calculated in relation environmental...

10.2188/jea.je20090120 article EN cc-by Journal of Epidemiology 2010-01-01

Physical exercise has been shown to increase adult neurogenesis in the hippocampus and enhance synaptic plasticity. It demonstrated that these neuroprotective effects can be observed following aerobic exercise. However, it remains unknown whether plasticity molecules, such as brain-derived neurotrophic factor (BDNF) cyclic AMP response element-binding protein (CREB), are expressed resistance We applied voluntary progressive-resistance wheel (RE) for 14 days, measured BDNF CREB hippocampus....

10.1055/s-0032-1323747 article EN International Journal of Sports Medicine 2012-10-05

Persistent stressful situations can have detrimental cardiovascular effects; however, effects on the blood pressure (BP) response to exercise not been fully examined. This study investigated impact of a 2-week situation pressor response. Eight healthy male university paramedic trainees underwent hospital training and control period study. Pre- post-intervention, BP responses test (2-min submaximal isometric handgrip [IHG] followed by post-exercise muscle ischemia [PEMI]) cold (CPT) were...

10.1152/ajpregu.00258.2024 article EN AJP Regulatory Integrative and Comparative Physiology 2025-01-20

Background: The perception of barriers to exercise is an important correlate participation. However, only a limited number studies—mostly from Western countries—have attempted describe the perceptions in specific population groups. This study examined associations between sociodemographic attributes and perceived Japanese adults.Methods: A population-based cross sectional 865 participants (age: 20–69 years old, men: 46.5%) was conducted 4 cities Japan. Nine (sex, age, location residence,...

10.2188/jea.je20080094 article EN cc-by Journal of Epidemiology 2009-01-01

The physiological roles of isoprene, which is one the many endogenous volatile organic compounds contained in exhaled breath, are not well understood. In recent years, isoprene has been associated with skeletal muscle. Some studies have suggested that muscle produces and/or stores some isoprene. However, evidence supporting this association remains sparse and inconclusive. Furthermore, aging may affect breath response because changes quantity quality. Therefore, we investigated between...

10.1088/1752-7163/abbf39 article EN Journal of Breath Research 2020-10-07

Ischemic skeletal muscle conditions are known to augment exercise-induced increases in blood pressure (BP). Aging is also a factor that enhances the pressor response exercise. However, effects of aging on BP ischemic exercise remain unclear. We, therefore, tested hypothesis rhythmic handgrip (RHG) during postexercise ischemia (PEMI). We divided normotensive participants without cardiovascular diseases into three age groups: young (n = 26; age, 18–28 years), middle-aged 23; 35–59 and older...

10.14814/phy2.15125 article EN Physiological Reports 2021-11-01

Some researchers are concerned that exercise training with the blood flow restriction (BFR) technique induces an exaggeration in pressure response and potentiates adverse cardiovascular events. In present study, we demonstrate to arm-curl was intensified by BFR technique, degree of intensification associated a postexercise muscle ischemia elbow flexors, which elicit metaboreflex. Novelty: intensifies exercise, ischemia-induced

10.1139/apnm-2020-0491 article EN Applied Physiology Nutrition and Metabolism 2020-08-25

Prefrontal brain functions are reported to be involved in postural control. This study examined the correlation between a control task and Stroop/reverse-Stroop test that also taps prefrontal functions. Twenty healthy elderly people (3 men, 17 women) ages 61–81 years participated. Stroop interference reverse-Stroop were measured. The required participants stand as still possible for 30 sec. with eyes open then closed. Reverse-Stroop interference, which is activate more function, correlated...

10.2466/22.25.cp.2.9 article EN Comprehensive Psychology 2013-01-01

ABSTRACT Purpose Sleep deprivation and elevated blood pressure (BP) increase the risk of cardiovascular diseases. However, effects sleep on BP response, especially at exercise onset remain unclear. We aimed to elucidate experimental (ESD) resting BPs, including that onset, investigate whether a night-time nap during ESD changes ESD-altered BP. Methods Twelve healthy young men underwent 2-min submaximal isometric elbow flexion (IEF) measure after 7 days normal (control trial), 24-h (ESD with...

10.1249/mss.0000000000003640 article EN Medicine & Science in Sports & Exercise 2024-12-30

It is unclear whether blood flow restriction (BFR) accelerates the adaptation of time constant (τ) phase II oxygen uptake ([Formula: see text]) kinetics in moderate-intensity exercise domain via aerobic training. Therefore, healthy participants underwent [45-60% [Formula: text] Reserve] cycle training with or without BFR (BFR group, n = 9; CON 9) for 8 weeks to evaluate during before (Pre) and after 4 (Mid) (Post) Both groups trained 30 min, 3 days weekly. was performed 5 min every 10 by...

10.1038/s41598-022-22852-3 article EN cc-by Scientific Reports 2022-10-28

Aims] We examined the relationship between depression and states of mental physical function as well activity to clarify factors that influence among university students.[Methods] A total 1269 first-year students were asked answer a questionnaire survey on web.The number subjects analyzed was 118 (53 men 65 women, response rate: 9.9%).Presence or absence depression, scores executive functions, level determined using CES-D self-assessment scale, Executive Functions Questionnaire (EFQ)...

10.7600/jpfsm.9.315 article EN cc-by-nc-nd The Journal of Physical Fitness and Sports Medicine 2020-11-23

The physiological functions of expiratory isoprene, which is abundantly contained in human breath, are not well known. Recently, breath isoprene has been proposed to be related oxidative stress, although no direct evidence reported. Therefore, the purpose this study was investigate relationship between and stress status. Ten healthy male subjects performed a 20-min submaximal step-load cycling exercise, intensity corresponded 60% peak oxygen uptake after 10-min rest. Breath excretion during...

10.7600/jspfsm.69.211 article EN Japanese Journal of Physical Fitness and Sports Medicine 2020-03-09

PURPOSE: The ACSM guideline recommends for older adults to adopt resistance training in enhancing ADL and improving health. purpose of this study was identify whether exercise with electrical loading machines, which were developed the elderly out consideration their safety, can enhance related physical fitness attenuate atherosclerotic risks. METHODS: Twenty two Japanese females voluntarily participated 12-week twice a week program exercise. Ten people (75.2± 4.5 year-old; E-G) participants...

10.1249/01.mss.0000384787.17814.67 article EN Medicine & Science in Sports & Exercise 2010-05-01

The ACSM and AHA recommend to do balance exercise in older adults for preventing falls, whereas the evidences of are still insufficient. PURPOSE: purpose this study was identify timing when adopt exercises earlier or later phase 12-week resistance training program falls elderly women. Method: Twenty one Japanese women (age: 69.0 ± 7.9 yrs, height: 154.5 5.5 cm, weight: 55.5 5.8 kg), who voluntarily participated study, completed twice a week 12 weeks. Ten people out all participants performed...

10.1249/01.mss.0000384786.79695.e8 article EN Medicine & Science in Sports & Exercise 2010-05-01

Recent research has revealed the effects of active commuting on cardiovascular disease risks (Hamer M. et al. Prev Med.2008). PURPOSE: The purpose this study was to examine difference step counts assessed by pedometer between those who walk for (W) and do not use other modes transportation (NW). METHODS: A cross-sectional mail survey using a random sample community residents including 3,200 subjects (male: 50%), aged from 20-59 years old, in four cities Japan conducted. Among 1091...

10.1249/01.mss.0000353410.93362.12 article EN Medicine & Science in Sports & Exercise 2009-05-01

Amino acids supplementation is effective not only to improve sport performance but also preservation of athletes' physical conditions. Many studies which investigated effects amino usually adopt high dose acids, whereas lower intake are still unclear. Pre-exercise amounts peptide form can be more rapidly and efficiently absorbed than itself, may have positive on conditioning especially during in-season. PURPOSE: To investigate the pre-exercise with soy serum creatine kinase (CK) level...

10.1249/01.mss.0000355251.57594.1c article EN Medicine & Science in Sports & Exercise 2009-05-01

Many athletes consume protein both immediately after exercise and before sleeping to build up the body recover from strenuous exercise. Little is known about effects of supplementation during because can have a bitter taste. Recently, been consuming sports drink containing good tasting rapidly absorbed water-soluble protein, without evidence any obvious benefit. PURPOSE: To determine whether intake has favorable effect on muscle damage, performance, soreness. METHODS: Japanese trained male...

10.1249/01.mss.0000355477.53786.ca article EN Medicine & Science in Sports & Exercise 2009-05-01

Many studies have revealed the effects of supplementing protein on endurance exercise performances or attenuating muscle damage derived from resistance training, whereas evidences supplementation for strenuous intermittent are still insufficient. PURPOSE: To investigate a beverage anaerobic and through double-blind manner. METHODS: Subjects consisted 7 Japanese male collegiate athletes (age; 21.4 ± 0.5yrs, height; 176.9 4.8cm, weight; 70.2 5.8kg) underwent twice same protocol different 2...

10.1249/01.mss.0000355478.53786.2e article EN Medicine & Science in Sports & Exercise 2009-05-01

Although an increasing number of studies examining the association between physical activity and environment have been reported, there not enough using objective methods assessment both in activity. PURPOSE: This study examined associations objectively-measured step counts assessed by pedometer among Japanese. METHODS: A cross-sectional mail survey was conducted four Japanese cities (Tsukuba, Koganei, Shizuoka Kagoshima). sample 4,000 adults (male: 50%), aged from 20 to 69 yrs, randomly...

10.1249/01.mss.0000354837.42742.cd article EN Medicine & Science in Sports & Exercise 2009-05-01
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