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Topic Review
Biography
Topic Review
Sedentary Behavior and Physical Fitness
Sedentary behavior has been considered an independent risk factor to health. The aim of this systematic review and meta-analysis was to examine associations between objectively measured sedentary time and physical fitness components in healthy adults. Methods: Four electronic databases (Web of Science, Scopus, Pubmed and Sport Discus) were searched (up to 20 September 2020) to retrieve studies on healthy adults which used observational, cohort and cross-sectional designs. Studies were included if sedentary time was measured objectively and examined associations with the health- or skill-related attributes of physical fitness (e.g., muscular strength, cardiorespiratory fitness, balance). After applying additional search criteria, 21 papers (11,101 participants) were selected from an initial pool of 5192 identified papers. Results: Significant negative associations were found between total sedentary time with cardiorespiratory fitness (r = −0.164, 95%CI: −0.240, −0.086, p < 0.001), muscular strength (r = −0.147, 95%CI: −0.266, −0.024, p = 0.020) and balance (r = −0.133, 95%CI: −0.255, −0.006, p = 0.040).
484
29 Apr 2021
Topic Review
School-Based Intervention to Children exercise
Three key health behaviors, physical activity (PA), sedentary behavior (SB) and sleep (SLP), have been identified by the 24-h framework as movement behaviors. School-based interventions targeting these multiple health behaviors among children have the potential to increase health outcomes. Despite this, the efficacy and sustainability of school-based movement behavior interventions among children has not been evaluated yet. To fill this gap in literature, this systematic review will aim to: 1) Summarize and classify movement behavior strategies used in literature to improve PA, SB and SLP in/from school in children; and 2) measure the effect of movement behavior strategies used in literature to improve PA, SB and SLP in children. The review protocol was registered in PROSPERO (CRD42020199154). A systematic search will be conducted between 2010 to 2020 in five databases: Pubmed, Scopus, SPORTDiscuss, The Cochrane Library and Web of Science. Risk of bias and quality assessment will be evaluated and measured according to the recommended tools. This systematic review will provide information about which kind of school-based movement behavior interventions are effective, sustainable and the best to implement in children.
576
20 Nov 2020
Topic Review
Running Performance Variability
Sports performance is a multifactorial trait, expressed by the interaction of both individual and environmental characteristics. Taking this into account, it is of relevance consider the context where athletes are inserted to better understand variability in the performance, specially in practice mainly performed in outdoor environment, such as running.
503
11 Nov 2021
Topic Review
Resistance Exercise and Balance Ability
Resistance exercise (RE) could be used to improve balance in older adults. Performing RE alone could be a time-efficient compromise for individuals who are unwilling or unable to perform large volumes of exercise or different exercise modalities.
475
19 Dec 2020
Topic Review
Rapid Weight Loss
Since combat sports are weight-divided, many athletes take part in rapid weight loss so they can compete in a lower weight class and presumably gain advantage over their lighter opponents. This practice is associated with many health complications and performance decrements that can range from transient to chronic.
620
04 Aug 2021
Topic Review
Rapamycin Signaling at Muscle Fiber Fate in Sarcopenia
Sarcopenia, the age-related decline of muscle mass and strength/function is a major risk factor for disability and loss of independence in late life. Studies have shown that behavioral interventions (e.g., physical activity, adapted nutrition) reduce the rate of muscle wasting during aging. However, an incomplete understanding of the mechanisms driving age-related muscle loss has hampered the development of effective drugs to prevent or treat sarcopenia. Altered muscle protein metabolism is considered to be one of the main factors underlying the development and progression of sarcopenia. While basal rates of muscle protein synthesis (MPS) and degradation (MPD) seem to be unaffected by age, the anabolic response to a variety of stimuli (e.g., exercise, nutrient ingestion) is blunted during aging. The mammalian target of rapamycin (mTOR) is a key regulator of muscle anabolic and catabolic pathways and, hence, a promising target for interventions against sarcopenia.
528
30 Nov 2022
Topic Review
Peer Reviewed
Pyramidal Systems in Resistance Training
Pyramidal systems refer to a particular type of resistance training in which sets are performed with increasing (or decreasing) weight, in such a way that the number of repetitions is low when the weight is high (and vice versa). Multiple implementations exist such as the light-to-heavy, triangle or asymmetric triangle system. They are similar to traditional training, but with slightly different impact on training volume, endurance or power outcome. Therefore, pyramidal systems are ideal candidates for practitioners willing to tune their training routine.
921
18 Apr 2022
Topic Review
Psychosocial Effects of Taekwondo Training
Taekwondo is a Korean martial art and international sport, and its psychosocial benefits for its trainees have been studied extensively. Significant positive effects of Taekwondo training were found on sociality, character, etiquette, and school life adjustment.
1.6K
23 Nov 2021
Topic Review
Properties of Polyphenol-Based Dietary Supplements
Antioxidants in sports exercise training remain a debated research topic. Plant-derived polyphenol supplements are frequently used by athletes to reduce the negative effects of exercise-induced oxidative stress, accelerate the recovery of muscular function, and enhance performance.
426
10 Jan 2023
Topic Review
Prevent Sarcopenia in the Aging Process
Sarcopenia is one of the main issues associated with the process of aging. Characterized by muscle mass loss, it is triggered by several conditions, including sedentary habits and negative net protein balance.
354
17 Jan 2022
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