Journal of Exercise Science & Fitness最新文献

{"title":"Acute high-intensity interval exercise is superior to moderate-intensity continuous exercise in enhancing endothelial function and its associated biomarkers in sedentary young individuals: the possible involvement of lactate.","authors":"Ziqing Liu, Jinglin Huang, Min Hu, Xuyan Cui, Lu Leng, Kangle Wang, Jiarui Wu, Shan He, Weiji Deng, Peilun Li, Yilin Chen, Dongdong Gao, Haijie Yu, Junhao Huang","doi":"10.1016/j.jesf.2024.12.006","DOIUrl":"10.1016/j.jesf.2024.12.006","url":null,"abstract":"<p><strong>Objectives: </strong>Our study investigated the effects of acute high-intensity interval exercise (HIIE) and moderate-intensity continuous exercise (MICE) on endothelial function and its associated biomarkers in sedentary young individuals.</p><p><strong>Methods: </strong>Fifteen subjects (10M / 5F; 22 ± 2 years; BMI: 23.07 ± 4.12 kg/m²) participated in a crossover trial including three experimental conditions: HIIE, MICE, and a control session of rest (CON) in random order separated by a 7-day washout period. Endothelial function was assessed using flow-mediated dilation (FMD), mean shear rate (MSR), and circulating levels of blood lactate, VEGF, IGF-1, and irisin.</p><p><strong>Results: </strong>Both HIIE and MICE significantly enhanced FMD% (both <i>P</i> < 0.001 and <i>P</i> < 0.01, respectively), lactate (both <i>P</i> < 0.001), VEGF (<i>P</i> < 0.001 and <i>P</i> < 0.01, respectively), IGF-1 (both <i>P</i> < 0.001), and irisin (<i>P</i> < 0.001 and <i>P</i> < 0.05, respectively), with a greater extent after HIIE compared to MICE in FMD% (<i>P</i> < 0.001), MSR (<i>P</i> < 0.05), lactate (<i>P</i> < 0.001), VEGF (<i>P</i> < 0.05), and IGF-1 (<i>P</i> < 0.05). Additionally, change (post-pre) in FMD% was positively correlated with changes in MSR, lactate, and VEGF in both HIIE and MICE conditions. Change in MSR was positively associated with changes in lactate and VEGF in both HIIE and MICE conditions. Furthermore, enhancement in lactate was correlated with enhancements in VEGF in both HIIE and MICE conditions.</p><p><strong>Conclusions: </strong>Acute HIIE is a more effective method than MICE at improving endothelial function in sedentary young individuals and increases in lactate and its mediated VEGF release, attributed to increase in shear rate after exercise, are involved in regulatory mechanisms.</p>","PeriodicalId":15793,"journal":{"name":"Journal of Exercise Science & Fitness","volume":"23 1","pages":"60-68"},"PeriodicalIF":2.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11750549/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143023678","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Bilateral alterations in sensorimotor function and altered sensory strategy in individuals with unilateral chronic ankle instability.","authors":"Xiaomei Hu, Xihe Hou, Lin Wang","doi":"10.1016/j.jesf.2024.12.002","DOIUrl":"https://doi.org/10.1016/j.jesf.2024.12.002","url":null,"abstract":"<p><strong>Objective: </strong>This study aimed to evaluate bilateral sensorimotor function in patients with unilateral CAI. Furthermore, sensory reweighting ability and vestibular modulation were assessed.</p><p><strong>Methods: </strong>Twenty individuals with unilateral CAI and twenty healthy controls participated in this study. All participants executed ankle proprioception, plantar sensation, unilateral stance, Y balance, motor control test (MCT) and sensory organisation test (SOT) assessments. Proprioception assessment included joint position sense and force sense (FS), and plantar sensation evaluation consisted of light-touch, vibration and two-point discrimination (TPD) thresholds at the heel, head of the first metatarsal (1 MF), base of the fifth metatarsal (5 MF), centre of foot and forefoot. MCT and SOT tests were conducted using NeuroCom Balance Manager System. Except for SOT, all tests evaluated bilateral limbs, and the order of limbs was randomly selected. 2 (group) × 2 (limb) mixed model analyses of variance were performed for outcome measures of unilateral stance, Y balance and MCT, and independent <i>t</i>-test was used to analyse the outcomes of SOT between two groups. Mann-Whitney U and Wilcoxon test were applied to examine the differences in plantar sensation between groups and limbs.</p><p><strong>Results: </strong>For plantar sensation, increased light-touch threshold at heel and 1 MF and the TPD threshold at 1 MF were observed bilaterally in CAI group (<i>p</i> < 0.05). No differences were observed in joint position sense (JPS), but bilateral deficit was found in plantarflexor FS with moderate effect size (uninjured side: ES = 0.67; injured side: ES = 0.61) in CAI group. For unilateral stance with eyes closed, moderate postural instability was displayed bilaterally in the anteroposterior direction (uninjured side: ES = 0.71; injured side: ES = 0.86). The delayed latency of MCT with medium-backward translation was also observed in both sides of unilateral CAI (uninjured: ES = 0.74; injured: ES = 0.92). Compared with healthy controls, higher visual reliance was shown moderately in the injured and uninjured sides of unilateral CAI (uninjured: ES = 0.78; injured: ES = 0.91). Sensory analysis of SOT displayed decreased use of visual (p = 0.001) and vestibular information (<i>p</i> < 0.000) in CAI group.</p><p><strong>Conclusion: </strong>Unilateral CAI presented impaired plantar sensation and ankle proprioception on both sides. Higher visual reliance, delayed motor response and postural instability under unreliable visual clues were also displayed bilaterally. Except for bilateral sensorimotor alterations, reduced ability of sensory reweighting and fixed sensory strategy also presented in CAI group, but the somatosensory clue still served as the main sensory source in CAI.</p>","PeriodicalId":15793,"journal":{"name":"Journal of Exercise Science & Fitness","volume":"23 1","pages":"21-31"},"PeriodicalIF":2.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11699271/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142930997","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of traditional Chinese exercises on brain-derived neurotrophic factor in middle-aged and older adults: A systematic review and meta-analysis of randomized controlled trials.","authors":"Jianyu Gan, Jiya He, Kaixiang Zhou, Zhangyuting Shang, Gengxin Dong, Dapeng Bao, Junhong Zhou","doi":"10.1016/j.jesf.2024.12.004","DOIUrl":"10.1016/j.jesf.2024.12.004","url":null,"abstract":"<p><strong>Background: </strong>Brain-derived neurotrophic factor (BDNF) may help middle-aged and older adults resist age-related neurodegenerative conditions and psychiatric disorders. Recent studies suggested that Traditional Chinese exercises (TCEs) may be a promising strategy to improve the BDNF levels of these populations, while the effectiveness has yet to be definitively confirmed due to the variances in the study designs and observations. Therefore, this systematic review and meta-analysis aimed to examine the effects of TCEs intervention on BDNF in middle-aged and older adults.</p><p><strong>Methods: </strong>The search was conducted in November 2024 in seven Chinese and English databases. Two reviewers independently reviewed the search results, extracted the data, and assessed the risk of bias and certainty of evidence. Meta-analyses and meta-regressions were performed to determine the overall effect size and the impact of potential moderators.</p><p><strong>Results: </strong>Ten publications consisting of 543 participants were included. The overall effect size of TCEs on BDNF was large and significant [Hedges'g = 0.82, 95 % CI (0.55, 1.09), p < 0.01]. Subgroup analysis revealed that the effect size was non-significant for participants with mild cognitive impairment (MCI) (p = 0.08), while significant for participants with normal cognitive function (p < 0.01). In the meta-regression, moderators such as the mean age, sex, and baseline BDNF levels of participants, as well as total TCEs time were not associated with outcome variables. The certainty of the evidence was assessed as moderate.</p><p><strong>Conclusions: </strong>This systematic review and meta-analysis indicates that TCEs intervention could increase the levels of BDNF in middle-aged and older adults with normal cognitive function.</p><p><strong>Systematic review registration: </strong>www.crd.york.ac.uk/PROSPERO/, identifier: CRD42023484121.</p>","PeriodicalId":15793,"journal":{"name":"Journal of Exercise Science & Fitness","volume":"23 1","pages":"32-41"},"PeriodicalIF":2.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11730929/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142983692","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Physical fitness assessment tools for children with developmental coordination disorder and their feasibility for low-income settings: A systematic review.","authors":"Monica Maria do Nascimento, Jorge Lopes Cavalcante-Neto, Meyene Duque Weber, Paula Cristina Dos Santos Rodrigues, Andreia N Pizarro, Maria Olga Fernandes Vasconcelos","doi":"10.1016/j.jesf.2024.12.005","DOIUrl":"https://doi.org/10.1016/j.jesf.2024.12.005","url":null,"abstract":"<p><strong>Background: </strong>This study systematically reviewed the literature on physical fitness assessment tools for children with developmental coordination disorder compared with typically developing children aged 7 to 10 and analyzed the feasibility of these tools for use in low-income settings.</p><p><strong>Methods: </strong>Searches were conducted in the PubMed, Scopus, Web of Science, and EBSCO/RIC databases. The Newcastle - Ottawa Quality Assessment Scale assessed the methodological quality of the studies, and a checklist adapted from COSMIN assessed the feasibility of the instruments.</p><p><strong>Results: </strong>From 8470 studies initially retrieved, 21 were included in this systematic review. The most assessed physical fitness components in children with developmental coordination disorder compared with typically developing children were cardiorespiratory fitness and muscle strength. Most studies had high methodological quality. The shuttle run (cardiorespiratory fitness) and handgrip dynamometer (muscle strength) were the most used tools. The PERF-FIT, long jump, and 6-min walk test were considered the most feasible tools for low-income settings, while the incremental treadmill test was deemed the least feasible.</p><p><strong>Conclusion: </strong>The findings evidenced several viable tools for testing physical fitness in children with DCD compared to typically developing peers from low-income countries. The most viable, as PERF-FIT, long jump and 6-min walk test should be used on large scale in low-income settings.</p>","PeriodicalId":15793,"journal":{"name":"Journal of Exercise Science & Fitness","volume":"23 1","pages":"51-59"},"PeriodicalIF":2.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11743099/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143006540","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Voluntary isometric contractions at maximal shortening as a new technique to achieve neuromuscular re-education in healthy subjects.","authors":"Julio-Artemi Hernández-Trujillo, María-Dolores González-Rivera, Jorge M González-Hernández","doi":"10.1016/j.jesf.2024.12.003","DOIUrl":"10.1016/j.jesf.2024.12.003","url":null,"abstract":"<p><strong>Background: </strong><i>objectives</i>: Neuromuscular re-education has focused on improving motor activities in patients with pathologies by retraining the nervous system. However, this has not yet been investigated in healthy individuals. Voluntary isometric contractions at maximal muscle shortening (VICAMS) is a new technique with the same objective. This study aimed to investigate the chronic effects of these techniques on range of motion, strength, and vertical jump.</p><p><strong>Methods: </strong>Sixty healthy, recreationally active participants (mean age: 46.4 ± 5.5), were randomly assigned to three groups (VICAMS, ballistic stretching, and control) who were trained for eight weeks. To assess chronic effects, active range of motion, maximal isometric strength, and countermovement jump height were determined before and after the intervention.</p><p><strong>Results: </strong>Main effects of time and time∗group interactions were found for all variables (p < 0.001). Between-group differences were observed in the VICAMS group after the intervention, with significantly higher flexibility and strength values compared to the other groups. Intra-group differences were observed in the VICAMS and ballistic groups, as the values for all variables increased from baseline. In the VICAMS group, increases were observed in both flexibility (19.15 %) and strength (47.63 %). Increases in flexibility (2.59 %) and strength (1.84 %) were also observed in the ballistic group. For jumping, intra-group differences showed that both the VICAMS (16.56 %) and ballistic (4.34 %) groups had improved values compared to baseline values.</p><p><strong>Conclusion: </strong>Our findings suggest that VICAMS is an effective, simple, and inexpensive alternative to conventional training methods for improving flexibility and strength in rehabilitation.</p>","PeriodicalId":15793,"journal":{"name":"Journal of Exercise Science & Fitness","volume":"23 1","pages":"42-50"},"PeriodicalIF":2.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11730556/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142983709","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Neural correlates of basketball proficiency: An MRI study across skill levels.","authors":"Manqi Zhang, Wenbiao Zhang, Yujie Yao, Jiabao Lin, Lei Mo","doi":"10.1016/j.jesf.2024.12.001","DOIUrl":"10.1016/j.jesf.2024.12.001","url":null,"abstract":"<p><strong>Background: </strong>Basketball is an attractive sport required both cooperative and antagonistic motor skills. However, the neural mechanism of basketball proficiency remains unclear. This study aimed to examine the brain functional and structural substrates underlying varying levels of basketball capacity.</p><p><strong>Methods: </strong>Twenty advanced basketball athletes (AB), 20 intermediate basketball athletes (IB) and 20 age-matched non-athlete individuals without basketball experience (NI) participated in this study and underwent T1-weighted MRI and resting-state fMRI scanning. Voxel-mirrored homotopic connectivity (VMHC), amplitude of low frequency fluctuations (ALFF), and gray matter (GM) density were calculated and compared among the three groups.</p><p><strong>Results: </strong>The VMHC in the bilateral postcentral gyrus, middle temporal gyrus, and superior temporal gyrus, as well as the GM density in the right precentral gyrus, exhibited a hierarchical structure of AB > IB > NI. Compared with NI group, AB and IB groups showed strengthened VMHC in supplementary motor area, paracentral lobule and superior frontal gyrus. Additionally, the ALFF of left middle occipital gyrus and right hippocampal and the GM density of left medial superior frontal gyrus exhibited differences in AB-IB and AB-NI comparisons.</p><p><strong>Conclusions: </strong>By conducting the cross-sectional comparison, this study firstly identifies the varying levels of basketball proficiency related brain resting-state functional and structural plasticity. Especially, the regions associated with motor perception and control, including bilateral postcentral gyrus, middle and superior temporal gyrus and right precentral gyrus, are involved in the key neural mechanisms of basketball proficiency. Future longitudinal studies are necessary to further validate these findings.</p>","PeriodicalId":15793,"journal":{"name":"Journal of Exercise Science & Fitness","volume":"23 1","pages":"14-20"},"PeriodicalIF":2.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11683229/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142907069","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of rest interval following a series of tuck jumps on anaerobic performance","authors":"Christopher J. Cleary ,&nbsp;Summer B. Cook ,&nbsp;Ashley A. Herda","doi":"10.1016/j.jesf.2024.11.001","DOIUrl":"10.1016/j.jesf.2024.11.001","url":null,"abstract":"<div><h3>Background/objective</h3><div>This study assessed the influence of rest interval duration after tuck jumps on 10-s Wingate outcomes and countermovement jump height.</div></div><div><h3>Methods</h3><div>Eighteen resistance trained individuals (males: n = 10, 21.3 ± 3.6 years; females: n = 8, 22.1 ± 2.2 years) volunteered to participate in four sessions: familiarization, 3-min rest interval with no jumps (CON), and two randomized experimental sessions with a rest interval of either 1-min (ER1) or 5-min (ER5) after a series of tuck jumps. Countermovement jump (CMJ) height was assessed at baseline (PRE) and after (POST) the CON, ER1, and ER5 conditions, and 10-s Wingate cycling testing. Wingate relative peak power (RPP) and mean peak power (RMP) were measured. Separate mixed-factorial repeated measures analyses of variance assessed changes across conditions and sex for the Wingate variables and conditions, sex, and time for CMJ height at an alpha of p ≤ 0.05.</div></div><div><h3>Results</h3><div>RPP and RMP were significantly greater than CON for ER1 by 0.92 ± 0.23 W kg⁻¹ and 0.41 ± 0.14 W kg⁻¹, respectively, and ER5 by 0.77 ± 0.23 W kg⁻¹ and 0.36 ± 0.10 W kg⁻¹, respectively. ER1 and ER5 RPP and RMP were similar (p &gt; 0.05). For CMJ height, there was only a main effect for sex as males jumped higher than females by 31.3 % (p = 0.002).</div></div><div><h3>Conclusion</h3><div>Performing tuck jumps prior to anaerobic exercise may increase performance for up to 5-min</div></div>","PeriodicalId":15793,"journal":{"name":"Journal of Exercise Science & Fitness","volume":"23 1","pages":"Pages 1-6"},"PeriodicalIF":2.4,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142748598","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A longitudinal study to COVID-19 infection among university students: Physical fitness changes and psychological responses","authors":"Yuning Hao,&nbsp;Jay Lee,&nbsp;Water Soi Po Wong,&nbsp;Frankie U. Kei Wong,&nbsp;Walter Heung Chin Hui,&nbsp;Gasper Chi Hong Leong,&nbsp;Zhaowei Kong","doi":"10.1016/j.jesf.2024.11.002","DOIUrl":"10.1016/j.jesf.2024.11.002","url":null,"abstract":"<div><h3>Background</h3><div>The impact of COVID-19 infection on physical and mental health of young adults remains unclear. This study aimed to investigate the changes in the physical fitness three months after recovering from acute COVID-19 infection, and examine if the infection could also influence the mental health of university students.</div></div><div><h3>Methods</h3><div>A total of 460 university students (mean age 18.9 ± 1.3 years, with 30 males and 27 females uninfected with COVID-19) volunteered for the study. Participants underwent a fitness test initially, followed by another physical fitness test and a mental health assessment three months after the infection of COVID-19. Physical fitness tests included body composition, flexibility, cardiorespiratory fitness, muscle strength, and muscular endurance. Mental health was assessed using the Depression-Anxiety-Stress Self-Assessment Scale (DASS-21), the Pittsburgh Sleep Quality Inventory (PSQI), and the Post-Traumatic Stress Disorder Self-Assessment Scale (PTSD).</div></div><div><h3>Results</h3><div>Three months after acute COVID-19 infection, the physical performance of university students had decreased compared to pre-infection levels by approximate 3–15 % (<em>p</em> &lt; 0.05). Regarding mental health, a notable difference was observed in sleep quality, with the positive group scoring 19 % higher than the negative group (<em>p</em> &lt; .05, <em>d</em> = .44). Sex (<em>β</em> = .164, <em>p</em> &lt; .05), previous infection (<em>β</em> = .277, <em>p</em> = .019) and anxiety (<em>β</em> = .373, <em>p</em> = .002) were predictive of PSQI scores, accounting for 37.5 % of the variance.</div></div><div><h3>Conclusions</h3><div>All participants experienced a decline in physical fitness compared to their pre-infection levels, regardless of infection status. Those who had been infected exhibited poorer sleep quality compared to their non-infected peers. Prior COVID-19 infection and higher anxiety levels may contribute to poorer sleep quality.</div></div>","PeriodicalId":15793,"journal":{"name":"Journal of Exercise Science & Fitness","volume":"23 1","pages":"Pages 7-13"},"PeriodicalIF":2.4,"publicationDate":"2024-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142759326","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Weighted vest intervention during whole-body circuit training improves serum resistin, insulin resistance, and cardiometabolic risk factors in normal-weight obese women","authors":"Jiwoong Kim ,&nbsp;Eunsook Kim ,&nbsp;Dohyun Kim ,&nbsp;Sungjin Yoon","doi":"10.1016/j.jesf.2024.10.002","DOIUrl":"10.1016/j.jesf.2024.10.002","url":null,"abstract":"<div><h3>Background and objectives</h3><div>Obesity is a well-known cause of cardiovascular disease and metabolic disorders. Normal-weight obesity, where the body mass index(BMI) is within the normal range but the body fat percentage is high, also adversely impacts cardiovascular and metabolic health. This study explored the effects of whole-body circuit training using a weighted vest on serum resistin, insulin resistance, and cardiovascular disease risk factors in normal-weight obese women.</div></div><div><h3>Methods</h3><div>Thirty-six normal-weight obese women were divided into three groups: Weighted Vest Circuit Training(WVCT)(n = 12), Body Weight Circuit Training(BWCT)(n = 12), and a Control group(CON)(n = 12). Participants in the WVCT and BWCT groups engaged in whole-body circuit training three times per week for eight weeks. Serum resistin, cardiovascular disease risk factors, and insulin resistance were measured before and after the intervention.</div></div><div><h3>Results</h3><div>The study revealed significant and impactful findings. There were substantial improvements in body composition(Skeletal Muscle Mass: +7.5 %, <em>p</em> = 0.042, <em>d</em> = 0.80), Serum Resistin(-38.2 %, <em>p</em> = 0.001, <em>d</em> = 0.85), insulin resistance(HOMA-IR: 27.1 %, <em>p</em> &lt; 0.001, <em>d</em> = 0.88), and a reduction in IL-6 levels(-25.4 %, <em>p</em> = 0.082, <em>d</em> = 0.60) in the WVCT group compared to the BWCT and CON groups. The WVCT group outperformed the other groups, demonstrating greater effectiveness in reducing cardiovascular risk factors.</div></div><div><h3>Conclusion</h3><div>These findings have significant implications for healthcare. Whole-body circuit training with weighted vests has effectively improved body composition, reduced serum resistin, and lowered insulin resistance, reducing cardiovascular disease risk factors in normal-weight obese women. These results could inform and enhance the treatment and management of obesity-related cardiovascular and metabolic disorders.</div></div>","PeriodicalId":15793,"journal":{"name":"Journal of Exercise Science & Fitness","volume":"22 4","pages":"Pages 463-473"},"PeriodicalIF":2.4,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142527729","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ameliorated lipid distribution in prediabetes - Effects of 12 weeks traditional Chinese YiJinJing exercise plus TheraBand: A randomized controlled trial","authors":"Sha-sha Wang ,&nbsp;Mu Cui ,&nbsp;Jing-yuan Li ,&nbsp;Huai-ming Zhang ,&nbsp;Xiang-yun Liu ,&nbsp;Jia Han","doi":"10.1016/j.jesf.2024.09.004","DOIUrl":"10.1016/j.jesf.2024.09.004","url":null,"abstract":"<div><h3>Objective</h3><div>Lipid distribution plays a crucial role in glucose metabolism, and this study aimed to investigate the effects of 12 weeks traditional Chinese YiJinJing exercise on specific lipid distributions in patients with prediabetes.</div></div><div><h3>Methods</h3><div>Sixty participants with prediabetes were randomly allocated to either a control group (Con, n = 30) or an exercise group (Ex, n = 30). The Ex group underwent YiJinJing exercise plus Theraband, engaging in 1-h sessions, 3 times per week, over a total period of 12 weeks. Dual-energy X-ray absorptiometry (DEXA) and magnetic resonance imaging (MRI) were used to measure lipid distribution in different body segments and organs. Additionally, a body composition analyser was employed to measure visceral fat, and laboratory tests were conducted to measure indicators related to glycolipid metabolism.</div></div><div><h3>Results</h3><div>Following a 12-week intervention with Exercise, 37 % of prediabetic patients in the Ex group achieved normal blood glucose levels. Significant reductions were observed in upper limb fat (ULF), trunk fat (TrF) and liver fat (LF) values in the Ex group compared to the Con group. Additionally, within the Ex group, there were notable decreases in triglyceride (TG) levels, body mass index (BMI), waist-hip ratio (WHR), android fat (AF), ULF, thigh fat (ThF), renal sinus fat (RSF), and LF compared to baseline.</div></div><div><h3>Conclusions</h3><div>Traditional Chinese YiJinJing plus TheraBand exercise can significantly reduce blood glucose levels through improved lipid distribution and metabolism in prediabetic patients. Hence, YiJinJing can serve as a crucial intervention for individuals with prediabetes.</div></div>","PeriodicalId":15793,"journal":{"name":"Journal of Exercise Science & Fitness","volume":"22 4","pages":"Pages 438-444"},"PeriodicalIF":2.4,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142425026","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}