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Publications (9)
Objective
This study explored the interaction among ACTN3 R577X polymorphism, muscle damage, and post-exercise inflammatory response by assessing changes over time in serum creatine kinase and interleukin-6 levels.
Design
Ninety-five active Japanese participants (50 men and 45 women: 22.2 ± 2.3 years) who did not perform daily upper limb strength...
Background:
Sprint interval training (SIT) improves maximal aerobic and anaerobic performance, including oxygen uptake (VO2 max ), power output, and sprint performance. This study aimed to investigate the effect of SIT load on V̇O 2max in trained subjects.
Methods:
SIT was performed twice a week for three weeks by twenty-four trained men (aged:...
Individual differences in muscle strength recovery after eccentric exercise may be influenced by sex and genotype. A candidate genetic polymorphism associated with response during muscle recovery is the MMP3 gene rs522616 polymorphism, encoding matrix metalloproteinase (MMP-3). Here, we investigated the effect of the MMP3 gene rs522616 polymorphism...
The objective of this study was to investigate the effects of free weight and body mass‐based resistance training (RT) on muscle size and thigh intramuscular fat (IMF) in young and middle‐aged individuals. Healthy individuals (aged 30–64 years) were assigned to either a free weight RT group (n = 21) or a body mass‐based RT group (n = 16). Both grou...
Purpose: This study investigated the effect of online home-based resistance exercise training on fitness, depression, stress, and well-being. A total of 67 individuals participated. Of them, 28 participants (13 men and 15 women, average age: 45.1 ± 12.2 years) performed the same exercise training online (n = 17), using Zoom, or in person (n = 11) i...
Purpose
The aldehyde dehydrogenase 2 (ALDH2) rs671 polymorphism, which is exclusive to the Asian population, is related to many diseases. A high reactive oxygen species production in mitochondria, and low muscle strength in athletes and non-athletes, has been observed, as our previous study demonstrated. The purpose of this research was to investig...
The rs671 polymorphism is associated with the enzymatic activity of aldehyde dehydrogenase 2 (ALDH2), which is weakened by the A allele in East Asians. We recently reported the association of this polymorphism with the athletic status in athletic cohorts and the muscle strength of non-athletic cohorts. Therefore, we hypothesized the association of...
Online exercise is undoubtedly useful and important; however, chronic adaptations to online exercise, particularly strength gain, muscle hypertrophy, and cardiovascular parameters, remain unclear. We investigated the effect of online exercise training using Zoom on fitness parameters compared with the same exercises supervised directly. In the pres...
