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Training Intensity Distribution in Endurance Sports: Time to Consider Sport Specificity and Waking Hour Activity
No abstract available (Source: Medicine and Science in Sports and Exercise)
Source: Medicine and Science in Sports and Exercise - June 23, 2022 Category: Sports Medicine Tags: SPECIAL COMMUNICATIONS: Letters to the Editor-in-Chief Source Type: research

Response
No abstract available (Source: Medicine and Science in Sports and Exercise)
Source: Medicine and Science in Sports and Exercise - June 23, 2022 Category: Sports Medicine Tags: SPECIAL COMMUNICATIONS: Letters to the Editor-in-Chief Source Type: research

More to be Done in Supporting Athlete Mental Health and Sleep
No abstract available (Source: Medicine and Science in Sports and Exercise)
Source: Medicine and Science in Sports and Exercise - June 23, 2022 Category: Sports Medicine Tags: SPECIAL COMMUNICATIONS: Letters to the Editor-in-Chief Source Type: research

Altitude and Endurance Performance in Altitude Natives versus Lowlanders: Insights from Professional Cycling
Introduction Acute altitude exposure influences exercise performance, although most research, especially regarding altitude natives, comes from laboratory data in nonathletes. Purpose We analyzed the influence of altitude on real-world cycling performance in top-level professional cyclists attending to whether they were altitude natives or not. Methods Thirty-three male cyclists (29 ± 5 yr) were studied and were classified as lowlanders (n = 19) or altitude natives (n = 14) attending to the altitude of their place of birth (431 ± 380 and 2583 ± 334 meters above sea level (m a.s.l.), respectively). Both...
Source: Medicine and Science in Sports and Exercise - June 23, 2022 Category: Sports Medicine Tags: APPLIED SCIENCE Source Type: research

Is Complexity of Daily Activity Associated with Physical Function and Life-Space Mobility among Older Adults?
Purpose Information about mobility and physical function may be encoded in the complexity of daily activity pattern. Therefore, daily activity pattern complexity metrics could provide novel insight into the relationship between daily activity behavior and health. The purpose of the present study was to examine the association between the complexity of daily activity behavior and the mobility and physical function among community-dwelling older adults 75, 80, and 85 yr of age. Methods A total of 309 participants wore accelerometers concurrently on the thigh and the trunk for at least three consecutive days. Five ...
Source: Medicine and Science in Sports and Exercise - June 23, 2022 Category: Sports Medicine Tags: APPLIED SCIENCE Source Type: research

Attenuated Metabolic and Cardiorespiratory Responses to Isoenergetic High-Intensity Interval Exercise of Short Versus Long Bouts
Purpose To compare the metabolic, cardiorespiratory and perceptual responses to three isoenergetic high-intensity interval exercise (HIIE) protocols of different bout duration and an isoenergetic continuous exercise protocol. Methods Eleven healthy males (age, 28 ± 6 yr) performed four 20-min cycling trials of equal mean power output 1 wk apart. Participants cycled either continuously (CON) or intermittently with 10 s (HIIE10), 30 s (HIIE30), or 60 s (HIIE60) bouts at intensities corresponding to 49% (CON) or 100% of power at peak oxygen uptake (V̇O2peak). Recovery intervals during the HIIE trials were 15, 45,...
Source: Medicine and Science in Sports and Exercise - June 23, 2022 Category: Sports Medicine Tags: APPLIED SCIENCE Source Type: research

Power Loading–Induced Fatigue Is Influenced by Menstrual Cycle Phase
This study aimed to examine the effects of fatiguing power loading on neuromuscular properties, force production, and metabolic capacities during four phases of the menstrual cycle (MC): menstruation (M), midfollicular (mid FOL), ovulation (OV), and midluteal (mid LUT). Methods Sixteen eumenorrheic women performed sessions of maximal explosive leg press (2 × 10 at 60% one-repetition maximum load with 2-min recovery between sets). Serum hormones and neuromuscular responses were measured. Results The loading protocol significantly decreased power (between −14.2% and −12.5%; P (Source: Medicine and Science ...
Source: Medicine and Science in Sports and Exercise - June 23, 2022 Category: Sports Medicine Tags: APPLIED SCIENCE Source Type: research

Interrupting Prolonged Sitting with Intermittent Walking Increases Postprandial Gut Hormone Responses
Conclusions Interrupting prolonged sitting with regular short bouts of brisk walking increases postprandial GLP-1 and PYY concentrations in healthy middle-age men and women with central adiposity. (Source: Medicine and Science in Sports and Exercise)
Source: Medicine and Science in Sports and Exercise - June 23, 2022 Category: Sports Medicine Tags: APPLIED SCIENCE Source Type: research

Dorsiflexion and Hop Biomechanics Associate with Greater Talar Cartilage Deformation in Those with Chronic Ankle Instability
Conclusions Our results indicate that lesser static DFROM, poorer functional hop test performance, and hop biomechanics associate with greater talar cartilage deformation after a dynamic loading protocol in those with CAI. These factors may represent targets for therapeutic interventions within this population to slow ankle posttraumatic osteoarthritis progression. (Source: Medicine and Science in Sports and Exercise)
Source: Medicine and Science in Sports and Exercise - June 23, 2022 Category: Sports Medicine Tags: APPLIED SCIENCE Source Type: research

Sex Differences in Diaphragm Voluntary Activation after Exercise
Conclusions D-VA decreases after whole-body exercise in both females and males, although the magnitude of the decrease is not as large in females compared with males. The findings of this study suggest that the female diaphragm is more resistant to both contractile and neural mechanisms of fatigability after whole-body exercise. (Source: Medicine and Science in Sports and Exercise)
Source: Medicine and Science in Sports and Exercise - June 23, 2022 Category: Sports Medicine Tags: APPLIED SCIENCE Source Type: research

Patterns of Accelerometer-Measured Physical Activity and Health Outcomes in Adults: A Systematic Review
Purpose The aim of this study was to systematically review the literature on accelerometer-measured physical activity and health outcomes in adults. Methods Eight electronic databases were searched for relevant articles published up to March 2021. Only population-based studies of adults (age ≥18 yr) that directly compared two or more categories of physical activity (i.e., bout duration, intensity, and daily/weekly frequency) with a health outcome (e.g., mortality, cardiometabolic, healthy aging, depression, sleep, and brain structure) were included. Results Of the 15,923 publications retrieved, 52 artic...
Source: Medicine and Science in Sports and Exercise - June 23, 2022 Category: Sports Medicine Tags: EPIDEMIOLOGY Source Type: research

Factors Associated with Age-Related Declines in Cardiorespiratory Fitness from Early Adulthood Through Midlife: CARDIA
This study aimed to describe maximal and submaximal cardiorespiratory fitness from early adulthood to midlife and examine differences in maximal fitness at age 20 yr and changes in fitness overtime by subcategories of sociodemographic, behavioral, and health-related factors. Methods Data include 5018 Coronary Artery Risk Development in Young Adults participants (mean (SD) age, 24.8 (3.7) yr; 53.3% female; and 51.4% Black participants) who completed at least one maximal graded exercise test at baseline and/or the year 7 and 20 exams. Maximal and submaximal fitness were estimated by exercise duration and heart rate at...
Source: Medicine and Science in Sports and Exercise - June 23, 2022 Category: Sports Medicine Tags: EPIDEMIOLOGY Source Type: research

Racial, Ethnic, and Nativity Disparities in Physical Activity and Sedentary Time among Cancer Prevention Study-3 Participants
Purpose Understanding racial/ethnic and nativity disparities in physical activity (PA) is important, as certain subgroups bear a disproportionate burden of physical inactivity–related diseases. This descriptive study compared mean leisure-time moderate-to-vigorous intensity physical activity (LTMVPA) by race/ethnicity and nativity. Methods The Cancer Prevention Study-3 (78.1% women; age, 47.9 ± 9.7 yr) includes 4722 (1.9%) Asian/Pacific Islander; 1232 (0.5%) Black/Indigenous (non-White) Latino; 16,041 (6.5%) White Latino; 9295 (3.8%) non-Latino Black; 2623 (1.1%) Indigenous American; and 210,504 (85.7%) non-L...
Source: Medicine and Science in Sports and Exercise - June 23, 2022 Category: Sports Medicine Tags: EPIDEMIOLOGY Source Type: research

Association of Physical Activity with Incidence of Dementia Is Attenuated by Air Pollution
Conclusions PA is associated with reduced risk of developing all-cause dementia. However, exposure to even moderate levels of air pollution attenuates the benefits of PA on risk of dementia. (Source: Medicine and Science in Sports and Exercise)
Source: Medicine and Science in Sports and Exercise - June 23, 2022 Category: Sports Medicine Tags: EPIDEMIOLOGY Source Type: research

Levels and Correlates of Objectively Measured Sedentary Behavior in Young Children: SUNRISE Study Results from 19 Countries
Conclusions These data advance our understanding of young children’s sedentary behavior patterns globally. Country income levels and population density appear to be stronger drivers of the observed differences, than sex or rural/urban residential setting. (Source: Medicine and Science in Sports and Exercise)
Source: Medicine and Science in Sports and Exercise - June 23, 2022 Category: Sports Medicine Tags: EPIDEMIOLOGY Source Type: research