Activation timing of postural muscles of lower legs and prediction of postural disturbance during bilateral arm flexion in older adults
Activation timings of postural muscles of lower legs and prediction of postural disturbance were investigated in young and older adults during bilateral arm flexion in a self-timing task and an oddball task wi... (Source: Journal of Physiological Anthropology)
Source: Journal of Physiological Anthropology - December 22, 2017 Category: Physiology Authors: Chie Yaguchi, Katsuo Fujiwara and Naoe Kiyota Tags: Original article Source Type: research

Muscle co-contraction in elderly people change due to postural stability during single-leg standing
This study primarily aimed to clarify the difference in the effect of a ligh... (Source: Journal of Physiological Anthropology)
Source: Journal of Physiological Anthropology - December 16, 2017 Category: Physiology Authors: Yoshitaka Iwamoto, Makoto Takahashi and Koichi Shinkoda Tags: Original article Source Type: research

Relationship between maximum oxygen uptake and peripheral vasoconstriction in a cold environment
Various individual characteristics affect environmental adaptability of a human. The present study evaluates the relationship between physical fitness and peripheral vasoconstriction in a cold environment. (Source: Journal of Physiological Anthropology)
Source: Journal of Physiological Anthropology - December 6, 2017 Category: Physiology Authors: Takafumi Maeda Tags: Original article Source Type: research

Cathodal transcranial direct-current stimulation over right posterior parietal cortex enhances human temporal discrimination ability
Time perception associated with durations from 1  s to several minutes involves activity in the right posterior parietal cortex (rPPC). It is unclear whether altering the activity of the rPPC affects an individ... (Source: Journal of Physiological Anthropology)
Source: Journal of Physiological Anthropology - December 4, 2017 Category: Physiology Authors: Fuyuki Oyama, Keita Ishibashi and Koichi Iwanaga Tags: Original article Source Type: research

Correction to: Anthropometric and metabolic indices in assessment of type and severity of dyslipidemia
After the publication of this work [1] an error was noticed in one of the formulas. (Source: Journal of Physiological Anthropology)
Source: Journal of Physiological Anthropology - November 22, 2017 Category: Physiology Authors: Muhammad Zaid, Fatima Ameer, Rimsha Munir, Rida Rashid, Nimrah Farooq, Shahida Hasnain and Nousheen Zaidi Tags: Correction Source Type: research

Subadditive responses to extremely short blue and green pulsed light on visual evoked potentials, pupillary constriction and electroretinograms
The simultaneous exposure to blue and green light was reported to result in less melatonin suppression than monochromatic exposure to blue or green light. Here, we conducted an experiment using extremely short... (Source: Journal of Physiological Anthropology)
Source: Journal of Physiological Anthropology - November 17, 2017 Category: Physiology Authors: Soomin Lee, Yuria Uchiyama, Yoshihiro Shimomura and Tetsuo Katsuura Tags: Original article Source Type: research

Correction to: Differences of muscle co-contraction of the ankle joint between young and elderly adults during dynamic postural control at different speeds
After the publication of this work [1] an error was noticed in Table  3. In the column ‘Elderly’, in the last row it states 98 ± 11.87** however the correct value should be: 34.98 ± 11.87**. (Source: Journal of Physiological Anthropology)
Source: Journal of Physiological Anthropology - November 15, 2017 Category: Physiology Authors: Yoshitaka Iwamoto, Makoto Takahashi and Koichi Shinkoda Tags: Correction Source Type: research

Human pupillary light reflex during successive irradiation with 1-ms blue- and green-pulsed light
The objective of the current study w... (Source: Journal of Physiological Anthropology)
Source: Journal of Physiological Anthropology - October 17, 2017 Category: Physiology Authors: Soomin Lee, Naoko Muto, Yoshihiro Shimomura and Tetsuo Katsuura Tags: Original article Source Type: research

Nocturnal heart rate variability in 1-year-old infants analyzed by using the Least Square Cosine Spectrum Method
To evaluate the dynamic nature of nocturnal heart rate variability, RR intervals recorded with a wearable heart rate sensor were analyzed using the Least Square Cosine Spectrum Method. (Source: Journal of Physiological Anthropology)
Source: Journal of Physiological Anthropology - September 16, 2017 Category: Physiology Authors: Yuko Kochiya, Akari Hirabayashi and Yuhei Ichimaru Tags: Original article Source Type: research

Reliability and validity of a brief sleep questionnaire for children in Japan
There is a dearth of sleep questionnaires with few items and confirmed reliability and validity that can be used for the early detection of sleep problems in children. The aim of this study was to develop a qu... (Source: Journal of Physiological Anthropology)
Source: Journal of Physiological Anthropology - September 15, 2017 Category: Physiology Authors: Masakazu Okada, Shingo Kitamura, Yoshitaka Iwadare, Hisateru Tachimori, Yuichi Kamei, Shigekazu Higuchi and Kazuo Mishima Tags: Methodology article Source Type: research

Development of prediction equations for estimating appendicular skeletal muscle mass in Japanese men and women
This study aimed to develop and cross-validate prediction equations for estimating appendicular skeletal muscle mass (ASM) and to examine the relationship between sarcopenia defined by the prediction equations... (Source: Journal of Physiological Anthropology)
Source: Journal of Physiological Anthropology - August 29, 2017 Category: Physiology Authors: Taishi Furushima, Motohiko Miyachi, Motoyuki Iemitsu, Haruka Murakami, Hiroshi Kawano, Yuko Gando, Ryoko Kawakami and Kiyoshi Sanada Tags: Original article Source Type: research

Cold adaptation, aging, and Korean women divers haenyeo
We have been studying the thermoregulatory responses of Korean breath-hold women divers, called haenyeo, in terms of aging and cold adaptation. During the 1960s to the 1980s, haenyeos received attention from envi... (Source: Journal of Physiological Anthropology)
Source: Journal of Physiological Anthropology - August 8, 2017 Category: Physiology Authors: Joo-Young Lee, Joonhee Park and Siyeon Kim Tags: Review Source Type: research

Differences of muscle co-contraction of the ankle joint between young and elderly adults during dynamic postural control at different speeds
Agonist and antagonist muscle co-contractions during motor tasks are greater in the elderly than in young adults. During normal walking, muscle co-contraction increases with gait speed in young adults, but not... (Source: Journal of Physiological Anthropology)
Source: Journal of Physiological Anthropology - August 2, 2017 Category: Physiology Authors: Yoshitaka Iwamoto, Makoto Takahashi and Koichi Shinkoda Tags: Original article Source Type: research

Adaptation effects in static postural control by providing simultaneous visual feedback of center of pressure and center of gravity
This study aimed to investigate the adaptation effects of visual feedback training using both the COP and ce... (Source: Journal of Physiological Anthropology)
Source: Journal of Physiological Anthropology - July 19, 2017 Category: Physiology Authors: Kenta Takeda, Hiroki Mani, Naoya Hasegawa, Yuki Sato, Shintaro Tanaka, Hiroshi Maejima and Tadayoshi Asaka Source Type: research

Exposure to blue light during lunch break: effects on autonomic arousal and behavioral alertness
We examined their effects in office workers. (Source: Journal of Physiological Anthropology)
Source: Journal of Physiological Anthropology - July 11, 2017 Category: Physiology Authors: Emi Yuda, Hiroki Ogasawara, Yutaka Yoshida and Junichiro Hayano Source Type: research