Full Text Journal Articles by
Author Naruki Kitano

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Dose-response relationships of accelerometer-measured sedentary behaviour and physical activity with non-alcoholic fatty liver disease.

Kenji Tsunoda, Naruki Kitano, Yuko Kai, Takashi Jindo, Ken Uchida, Takashi Arao,

<h4>Background</h4>Although a few studies have confirmed the association of accelerometer-measured sedentary behaviour (SB) and physical activity (PA) with non-alcoholic fatty liver disease (NAFLD), PA intensity and co-dependent daily time-use of movement behaviours are yet to be studied.<h4>Aims</h4>To cross-sectionally examine the dose-response relationship between accelerometer-measured SB or PA and NAFLD using ... Read more >>

Aliment Pharmacol Ther (Alimentary pharmacology & therapeutics)
[2021, :]

Cited: 0 times

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Mediating role of instrumental activities of daily living ability on cognitive function of older adults living alone: A 4-year longitudinal study from the Kasama study.

Keisuke Fujii, Yuya Fujii, Naruki Kitano, Ayane Sato, Kazushi Hotta, Tomohiro Okura,

<h4>Abstract</h4>The aim of this study was to clarify the effect of living alone on the cognitive function of older people and the mediating effect of instrumental activities of daily living (IADL) ability.The data for a final sample of 3276 participants aged 65 years and above who did not require long-term care ... Read more >>

Medicine (Baltimore) (Medicine)
[2021, 100(40):e27416]

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Impact of Ergonomics on Cardiometabolic Risk in Office Workers: Transition to Activity-Based Working With Height-Adjustable Desk.

Takashi Jindo, Yuko Kai, Naruki Kitano, Mitsuru Makishima, Koji Takeda, Takashi Arao,

<h4>Objective</h4>Ergonomic office redesigning possibly improves physical activity (PA) and sedentary behavior (SB); however, its impact on cardiometabolic risk has not yet been determined. This study aimed to examine the effect of office relocation on cardiometabolic risk factors.<h4>Methods</h4>Annual health check-up data of 95 office workers from four offices in Tokyo, Japan, ... Read more >>

J Occup Environ Med (Journal of occupational and environmental medicine)
[2021, 63(5):e267-e275]

Cited: 0 times

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Compositional data analysis of 24-hour movement behaviors and mental health in workers.

Naruki Kitano, Yuko Kai, Takashi Jindo, Kenji Tsunoda, Takashi Arao,

This cross-sectional study investigated the relationship between 24-hour movement behaviors and mental health among Japanese workers, accounting for the co-dependence of time spent in different behaviors during a single day. This research is part of a prospective cohort study called the Meiji Yasuda LifeStyle study. Participants were 1095 workers in ... Read more >>

Prev Med Rep (Preventive medicine reports)
[2020, 20:101213]

Cited: 1 time

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Effect of Exercising with Others on Incident Functional Disability and All-Cause Mortality in Community-Dwelling Older Adults: A Five-Year Follow-Up Survey.

Yuya Fujii, Keisuke Fujii, Takashi Jindo, Naruki Kitano, Jaehoon Seol, Kenji Tsunoda, Tomohiro Okura,

We clarified the effect of exercising with others on the risks of incident functional disability and all-cause mortality among community-dwelling adults. We used an inventory mail survey with a five-year follow-up for 1520 independently living older adults (mean age: 73.4 ± 6.3 years) in Kasama City, Japan. Subjects responded to ... Read more >>

Int J Environ Res Public Health (International journal of environmental research and public health)
[2020, 17(12):]

Cited: 3 times

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Effects of Morning Versus Evening Home-Based Exercise on Subjective and Objective Sleep Parameters in Older Adults: A Randomized Controlled Trial.

Jaehoon Seol, Yuya Fujii, Taiki Inoue, Naruki Kitano, Kenji Tsunoda, Tomohiro Okura,

<h4>Objective</h4>This study aimed to determine whether the timing of exercise influenced the effects of home-based low-intensity stepping exercises on the sleep parameters of older adults.<h4>Method</h4>For 8 weeks, 60 healthy older adults participated in a randomized controlled trial, performing low-intensity aerobic exercise (70-80 bpm) for about 30 minutes every day at ... Read more >>

J Geriatr Psychiatry Neurol (Journal of geriatric psychiatry and neurology)
[2021, 34(3):232-242]

Cited: 0 times

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Impact of Activity-Based Working and Height-Adjustable Desks on Physical Activity, Sedentary Behavior, and Space Utilization among Office Workers: A Natural Experiment.

Takashi Jindo, Yuko Kai, Naruki Kitano, Kyohsuke Wakaba, Mitsuru Makishima, Koji Takeda, Michitaka Iida, Kinji Igarashi, Takashi Arao,

It has been reported that office environment is an important determinant of physical activity (PA) and sedentary behavior (SB) in office workers. However, the effect of changes in office environment (office renovation) is unclear. The purpose of this study was to examine PA, SB, and space utilization changes among office ... Read more >>

Int J Environ Res Public Health (International journal of environmental research and public health)
[2019, 17(1):]

Cited: 1 time

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Relationship of workplace exercise with work engagement and psychological distress in employees: A cross-sectional study from the MYLS study.

Takashi Jindo, Yuko Kai, Naruki Kitano, Kenji Tsunoda, Toshiya Nagamatsu, Takashi Arao,

We investigated the relationship between workplace exercise and psychological distress, and work engagement, both of which are factors related to the mental health and work productivity of employees. Data from the Meiji Yasuda Lifestyle study, collected from July 2017 through December 2017, were used. Data from an annual health checkup ... Read more >>

Prev Med Rep (Preventive medicine reports)
[2020, 17:101030]

Cited: 4 times

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Effects of acute exercise in the sitting position on executive function evaluated by the Stroop task in healthy older adults.

Takumi Abe, Keisuke Fujii, Kazuki Hyodo, Naruki Kitano, Tomohiro Okura,

[Purpose] Exercise effects on executive functioning depend on exercise mode. We tested the effects of three acute exercises in the sitting position-stepping, stretching, and finger movement-on older adults' executive functioning in comparison to a resting state (i.e., control condition). [Subjects and Methods] Participants were 26 healthy older adults (mean age, ... Read more >>

J Phys Ther Sci (Journal of physical therapy science)
[2018, 30(4):609-613]

Cited: 5 times

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Change in hand dexterity and habitual gait speed reflects cognitive decline over time in healthy older adults: a longitudinal study.

Takumi Abe, Yuki Soma, Naruki Kitano, Takashi Jindo, Ayane Sato, Kenji Tsunoda, Taishi Tsuji, Tomohiro Okura,

[Purpose] There is a relationship between physical and cognitive functions; therefore, impairment of physical function would mean cognitive decline. This study aimed to investigate the association between change in physical and cognitive functions. [Subjects and Methods] Participants were 169 healthy community-dwelling older adults who attend the survey after three years ... Read more >>

J Phys Ther Sci (Journal of physical therapy science)
[2017, 29(10):1737-1741]

Cited: 4 times

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Correlation between sleep and psychological mood states in female wheelchair basketball players on a Japanese national team.

Kenji Tsunoda, Hirotaka Mutsuzaki, Kazushi Hotta, Yukiyo Shimizu, Naruki Kitano, Yasuyoshi Wadano,

[Purpose] Although some studies suggest the importance of getting adequate sleep for enhancing mood, there is not yet sufficient evidence on the relationship between sleep and mood states in athletes, especially for athletes with physical disability. The purpose of this study is to reveal relationships between sleep and psychological mood ... Read more >>

J Phys Ther Sci (Journal of physical therapy science)
[2017, 29(9):1497-1501]

Cited: 3 times

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Daily Life Physical Activity Modulates the Effects of an Exercise Program on Lower-Extremity Physical Function in Japanese Older Adults.

Takashi Jindo, Naruki Kitano, Kenji Tsunoda, Mikiko Kusuda, Kazushi Hotta, Tomohiro Okura,

<h4>Background and purpose</h4>Decreasing daily life physical activity (PA) outside an exercise program might hinder the benefit of that program on lower-extremity physical function (LEPF) in older adults. The purpose of this study was to investigate how daily life PA modulates the effects of an exercise program on LEPF.<h4>Methods</h4>The participants were ... Read more >>

J Geriatr Phys Ther (Journal of geriatric physical therapy (2001))
[2017, 40(3):150-157]

Cited: 3 times

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Pedometers Affect Changes in Lower-Extremity Physical Function During a Square-Stepping Exercise Program in Older Japanese Adults.

Takashi Jindo, Kenji Tsunoda, Naruki Kitano, Taishi Tsuji, Takumi Abe, Toshiaki Muraki, Kazushi Hotta, Tomohiro Okura,

<h4>Background and purpose</h4>Pedometers are often used as motivational tools to increase physical activity. Hence, providing a pedometer during an exercise intervention may enhance the benefit of exercise on lower-extremity physical function (LEPF) by maintaining or increasing daily physical activity. The purpose of this study was to compare the effect on ... Read more >>

J Geriatr Phys Ther (Journal of geriatric physical therapy (2001))
[2016, 39(2):83-88]

Cited: 3 times

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Impact of physical activity on nonalcoholic steatohepatitis in people with nonalcoholic simple fatty liver: A prospective cohort study.

Kenji Tsunoda, Yuko Kai, Naruki Kitano, Ken Uchida, Tsutomu Kuchiki, Toshiya Nagamatsu,

Preventing nonalcoholic simple fatty liver (NASFL) from progressing to nonalcoholic steatohepatitis (NASH) is a key to avoiding cirrhosis. Physical activity (PA) may help manage fatty liver; however, there is a lack of prospective studies showing an association between PA and NASH. Our current prospective study investigated whether PA prevents NASFL ... Read more >>

Prev Med (Preventive medicine)
[2016, 88:237-240]

Cited: 8 times

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Relationship between built environment attributes and physical function in Japanese community-dwelling older adults.

Yuki Soma, Kenji Tsunoda, Naruki Kitano, Takashi Jindo, Taishi Tsuji, Mahshid Saghazadeh, Tomohiro Okura,

<h4>Aim</h4>To explore the relationships between the built environment and older adults' physical function.<h4>Methods</h4>The present cross-sectional study carried out in 2010-2012 used data drawn from 509 community-dwelling older adults aged 65-86 years living in Kasama City, a Japanese rural region. We evaluated physical function with the following performance tests: grip strength, ... Read more >>

Geriatr Gerontol Int (Geriatrics & gerontology international)
[2017, 17(3):382-390]

Cited: 6 times

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Effects of N-acetyl glucosamine and chondroitin sulfate supplementation on knee pain and self-reported knee function in middle-aged and older Japanese adults: a randomized, double-blind, placebo-controlled trial.

Taishi Tsuji, Jieun Yoon, Naruki Kitano, Tomohiro Okura, Kiyoji Tanaka,

<h4>Background</h4>There was no evidence of satisfying the standard to decide the efficacies of glucosamine and chondroitin in middle-aged and older Japanese adults with knee pain and/or stiffness.<h4>Aim</h4>To investigate the effects of 24 week oral N-acetyl glucosamine and chondroitin sulfate supplementation on knee pain, self-reported knee function, physical activity, and physical performance.<h4>Methods</h4>We ... Read more >>

Aging Clin Exp Res (Aging clinical and experimental research)
[2016, 28(2):197-205]

Cited: 6 times

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Gender differences of foot characteristics in older Japanese adults using a 3D foot scanner.

Mahshid Saghazadeh, Naruki Kitano, Tomohiro Okura,

<h4>Background</h4>Knowledge of gender differences in foot shape assists shoe manufactures with designing appropriate shoes for men and women. Although gender differences in foot shapes are relatively known among young men and women, less is known about how the older men and women's feet differ in shape. A recent development in ... Read more >>

J Foot Ankle Res (Journal of foot and ankle research)
[2015, 8:29]

Cited: 6 times

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Prospective study of physical activity and sleep in middle-aged and older adults.

Kenji Tsunoda, Naruki Kitano, Yuko Kai, Ken Uchida, Tsutomu Kuchiki, Tomohiro Okura, Toshiya Nagamatsu,

<h4>Introduction</h4>Few prospective cohort studies have examined the association between physical activity (PA) and insomnia prevention, and the effective PA intensity remains unclear. This prospective study explores how PA intensity prevents incident short sleep duration and subjective insufficient sleep in middle-aged and older adults.<h4>Methods</h4>A self-reported questionnaire gathered data on sleep and ... Read more >>

Am J Prev Med (American journal of preventive medicine)
[2015, 48(6):662-673]

Cited: 18 times

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[Effects of Square-Stepping Exercise inducing activation of the brain's cognitive function in community-dwelling older Japanese females--Focus on the baseline cognitive function level and age].

Takumi Abe, Taishi Tsuji, Naruki Kitano, Toshiaki Muraki, Kazushi Hotta, Tomohiro Okura,

<h4>Aim</h4>The purpose of this study was to investigate whether the degree of improvement in cognitive function achieved with an exercise intervention in community-dwelling older Japanese women is affected by the participant's baseline cognitive function and age.<h4>Methods</h4>Eighty-eight women (mean age: 70.5±4.2 years) participated in a prevention program for long-term care. They ... Read more >>

Nihon Ronen Igakkai Zasshi (Nihon Ronen Igakkai zasshi. Japanese journal of geriatrics)
[2015, 52(2):162-169]

Cited: 0 times

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[Factors regarding awareness of preventive care exercises: Distance to exercise facilities and their social networks].

Yuki Soma, Kenji Tsunoda, Naruki Kitano, Takashi Jindo, Tomohiro Okura,

<h4>Objectives</h4>The present study examines factors affecting individuals' awareness of certain types of preventive care exercises, particularly the distance from their home to an exercise facility and their social networks.<h4>Methods</h4>Participants were 3206 men (age, 73.0±6.2 years) and 3395 women (age, 73.2±6.4 years) aged ≥65 years who had not been certified as ... Read more >>

Nihon Koshu Eisei Zasshi ([Nihon koshu eisei zasshi] Japanese journal of public health)
[2015, 62(11):651-661]

Cited: 1 time

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Association between difficulty initiating sleep in older adults and the combination of leisure-time physical activity and consumption of milk and milk products: a cross-sectional study.

Naruki Kitano, Kenji Tsunoda, Taishi Tsuji, Yosuke Osuka, Takashi Jindo, Kiyoji Tanaka, Tomohiro Okura,

<h4>Background</h4>Research has shown that engaging in leisure-time physical activity (LTPA) and consuming dairy foods can lead to better sleep. Combining these two non-invasive prescriptions may be more effective for helping people fall asleep. This study investigates whether participating in LTPA in conjunction with consuming milk and milk products has a ... Read more >>

BMC Geriatr (BMC geriatrics)
[2014, 14:118]

Cited: 6 times

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[Validity and reliability of the "Trail Making Peg" test as a performance measurement for evaluating the cognitive function].

Takumi Abe, Takashi Jindo, Yuki Soma, Kenji Tsunoda, Naruki Kitano, Ji-Yeong Yoon, Tomohiro Okura,

<h4>Aim</h4>To investigate the validity and reliability of a novel performance test, called the "Trail Making Peg" (TMP) test, for evaluating the cognitive function.<h4>Methods</h4>We recruited 632 community-dwelling older adults (mean age: 73.3±5.2 years) as subjects for the assessment of the validity of the test and 319 adults (mean age: 73.1±5.2 years) ... Read more >>

Nihon Ronen Igakkai Zasshi (Nihon Ronen Igakkai zasshi. Japanese journal of geriatrics)
[2015, 52(1):71-78]

Cited: 0 times

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Short-term effects of whole-body vibration on functional mobility and flexibility in healthy, older adults: a randomized crossover study.

Taishi Tsuji, Naruki Kitano, Kenji Tsunoda, Erika Himori, Tomohiro Okura, Kiyoji Tanaka,

<h4>Background and purpose</h4>Whole-body vibration (WBV) training is a relatively new approach for enhancing muscle strength, physical performance, and flexibility. The aim of this study was to examine whether short-term WBV training by using the triple-plane vertical vibration device (ie, acceleration training [AT]) improves functional mobility and flexibility in healthy, older ... Read more >>

J Geriatr Phys Ther (Journal of geriatric physical therapy (2001))
[2014, 37(2):58-64]

Cited: 5 times

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[Determinants of changes in physical fitness after a square-stepping exercise program in community-dwelling older Japanese females].

Takashi Jindo, Kenji Tsunoda, Yuki Soma, Naruki Kitano, Taishi Tsuji, Toshiaki Muraki, Kazushi Hotta, Tomohiro Okura,

AIM:The purpose of this study was to investigate determinants of changes in physical fitness after a fall-prevention exercise program in older females. METHODS:The study subjects included 83 community-dwelling females 65 years of age or older (mean age: 70.4±4.0 years) living in Kasama City, rural Japan. All subjects participated in a ... Read more >>

Nihon Ronen Igakkai Zasshi (Nihon Ronen Igakkai zasshi. Japanese journal of geriatrics)
[2014, 51(3):251-258]

Cited: 2 times

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Age and gender differences in correlations of leisure-time, household, and work-related physical activity with physical performance in older Japanese adults.

Kenji Tsunoda, Yuki Soma, Naruki Kitano, Taishi Tsuji, Yasuhiro Mitsuishi, Ji-Yeong Yoon, Tomohiro Okura,

<h4>Aim</h4>This study aimed to compare relationships of leisure-time, household, and work-related physical activity (PA) with physical performance by age and gender in older Japanese adults.<h4>Methods</h4>This cross-sectional study included 525 community-dwelling older adults (73.3 ± 5.2 years) recruited in 2009-2011 in Kasama City, rural Japan. We used the Physical Activity Scale ... Read more >>

Geriatr Gerontol Int (Geriatrics & gerontology international)
[2013, 13(4):919-927]

Cited: 11 times

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