Publications by authors named "Yukina Mochizuki"
Effect of sprint interval training load on maximal oxygen uptake in trained men.
J Sports Med Phys Fitness
April 2024
Background: Sprint interval training (SIT) improves maximal aerobic and anaerobic performance, including oxygen uptake (VO2
Methods: SIT was performed twice a week for three weeks by twenty-four trained men (aged: 20.
Article Synopsis
- The study compares the effects of free weight resistance training (RT) versus body mass-based RT on isometric muscular strength, muscle size, and intramuscular fat (IMF) content in the quadriceps femoris over an 8-week period.
- Healthy individuals (ages 30-64) participated in either group, with both demonstrating increased muscle size but only the body mass-based RT group showing a significant decrease in IMF content.
- The findings highlight that both training methods can promote muscle hypertrophy, but body mass-based RT may be more effective at reducing fat within the muscle.
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.
View Article and Find Full Text PDFPurpose: 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 investigate the influence of ALDH2 rs671 on the loss of muscle strength with aging and replicate our previous study in non-athletes.
View Article and Find Full Text PDFDoes resistance exercise lifting velocity change with different rest intervals?
J Sports Med Phys Fitness
March 2023
Background: In this study, we examined the sex difference of the effect of rest intervals on lifting velocity during resistance exercise.
Methods: Twenty-two trained subjects (11 men and 11 women) were included. Each protocol consisted of 3 sets of 10 repetitions at 70% of 1- repetition maximum (1RM) with rest intervals of 90 s (R90), 150 s (R150), and 240 s (R240) in a crossover design.
Article Synopsis
- Online exercise via platforms like Zoom was studied to assess its effectiveness on fitness parameters compared to supervised in-person training.
- The study involved 34 participants who engaged in 8 weeks of body mass-based exercises, showing that both online and in-person training similarly improved strength and muscle mass while reducing blood pressure and arterial stiffness.
- However, the in-person group demonstrated greater improvements in specific physical tests (chair-stand and sit-and-reach) than the online group, indicating some advantages to face-to-face supervision.
Homma, H, Kobatake, N, Sekimoto, Y, Saito, M, Mochizuki, Y, Okamoto, T, Nakazato, K, Nishiyama, T, and Kikuchi, N. Ciliary neurotrophic factor receptor rs41274853 polymorphism is associated with weightlifting performance in Japanese weightlifters. J Strength Cond Res 34(11): 3037-3041, 2020-At least 69 genetic markers are associated with power athlete status.
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