Body composition and muscular strength are important for baseball skills and successful performance. Conditioning training programs have the potential to enhance athletic performance via physiological changes. In this single-group interventional study, we investigated the effect of 8 weeks of Pilates training (PT) on contralateral and regional body composition, and isokinetic muscular strength in knee and trunk flexion/extension in adolescent baseball players. In our results, PT increased both right- and left-sided lean mass in the trunk. Following PT, work per repetition and average power showed significant increases in the flexion and extension of the left knee only. PT significantly decreased the peak torque of the trunk flexor and increased the average power of the trunk extensor. In addition, the ratio of the trunk flexion/extension strength of peak torque showed a decreasing trend, whereas that of work and average power did not change significantly following PT. In conclusion, PT evenly improved lean mass on both the right and left sides of the body. Knee and trunk strength increased after PT. Our findings suggest that PT may be a useful strategy for enhancing athletic performance in regard to the muscular strength of adolescent baseball players.
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http://dx.doi.org/10.3390/ijerph191912085 | DOI Listing |
J Aging Phys Act
January 2025
Human Motor Systems Laboratory, School of Physical Education and Sport, University of São Paulo, São Paulo, SP, Brazil.
Amount of serial sitting and standing movements has been employed in clinical and research settings to assess legs' muscular strength. In this cross-sectional study, we aimed to test the correlation between the 30-s sit-to-stand power test (30STSp) outcome and body balance in older adults. We evaluated physically active male and female (n = 51) individuals with an age range of 60-80 years (M = 69.
View Article and Find Full Text PDFPLoS One
January 2025
Department of Human Kinetics, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada.
Demographic aging and extended working lives have prompted interest in the physiological changes that occur with age, particularly in the lumbar spine. Age-related declines in muscle quality and intervertebral disc alterations may reduce muscular endurance, strength, and postural stability, potentially increasing the risk of musculoskeletal injuries in older workers. As experienced workers play an important role in addressing labor shortages, understanding the impact of age-related physiological changes on the biomechanical properties of the lumbar spine is key to ensure safe and sustainable employment for aging individuals.
View Article and Find Full Text PDFEur J Appl Physiol
January 2025
Metabolic, Nutrition, and Exercise Research (MiNER) Laboratory, Department of Kinesiology, University of Texas at El Paso, 500 University Ave, El Paso, TX, 79968, USA.
Sci Rep
January 2025
School of Physical Education, Shanghai University of Sport, 650 Qingyuanhuan Road, Yangpu District, Shanghai, China.
The association between physical function and working memory in older adults is moderated by structural dimensions of physical function, but it is unclear which structural dimensions of physical function are associated with working memory in healthy older adults. The purpose of this study was to construct the structural dimensions of physical function and assess their associations with working memory in adults aged 60-74 years to provide potential targets for earlier identification and interventions of physical function and working memory decline in older adults. To this end, data from 664 to 589 eligible older adults were used for factor analysis and structural equation modeling, respectively.
View Article and Find Full Text PDFAm J Sports Med
January 2025
Department of Orthopaedic Surgery, Konkuk University Medical Center, Seoul, Republic of Korea.
Background: Multiple factors, such as muscle fatty infiltration (FI), tendon collagen content, and collagen arrangement, determine bone-tendon interface (BTI) healing after rotator cuff (RC) repair.
Purpose: To evaluate the effects of systemic administration of ezetimibe-atorvastatin (EZE/ATZ) combination on muscle FI and tendon collagen density and arrangement in an RC repair rat model.
Study Design: Controlled laboratory study.
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