Background/Objectives: Despite the abundant body of evidence linking high-intensity interval training (HIIT) to cardiometabolic markers, little is known about how HIIT affects liver enzymes, particularly in obese adolescents. This study aimed investigate effects on metabolic dysfunction-associated steatotic disease (MASLD)-related biomarkers overweight/obese adolescent girls. Methods: Thirty-three girls (age, 17.0 ± 1.15 yr.; mass index, 33.3 4.77 kg/m2) were randomly assigned (n = 17) or...

To examine the effects of short high-intensity interval training (HIIT) on body composition, physical performance and plasma lipids in overweight/obese compared to normal-weight young men. Nine nine men (control group) aged 17 20 years underwent a HIIT programme three times per week for eight weeks. Body indices aerobic [maximal velocity (MAV) maximal oxygen uptake (VO2max)] anaerobic [squat jump (SJ), counter-movement (CMJ), five-jump test (FJT), 10-m 30-m sprint] performances, as well...

Although High-intensity interval training (HIIT) has shown its effectiveness in improving body composition, cardio-respiratory fitness and lipid profile obese adults, evidences remain limited overweight/obese youth. This study was conducted to investigate the effect of a 12-week HIIT program without caloric restriction on composition among young men. Twenty healthy youth were randomly allocated into two groups; experimental group control group. The consisted 3 exercises sessions per week (30...

To investigate the effect of a 6-week tai chi (TC) training program on physical performance in adolescents with Down syndrome and its influence psychological well-being their parents, randomized controlled design, 25 male (age 14.4 ± 1.30 years) were randomly assigned to control group ( n = 10) or 15). Before after period, lower limb explosive strength, upper flexibility, balance assessed all participants, as well parents’ well-being. Using 2 × repeated-measures analysis variance,...

Preferred music has been shown to enhance psychological and physiological parameters in order increase physical performance high intensity exercises. However, the effects of preferred are less conclusive with different frequencies. The present study assessed listening during warm-up at frequencies on psychophysiological responses specific male female kickboxers. In a double-blind crossover design, fifteen men thirteen women kickboxers randomly performed intermittent kickboxing anaerobic...

The general and sports psychology research is limited regarding the difference between effects of verbal encouragement (VE) or compliment methods during high-intensity functional exercise testing. purpose this study was to explore VE compliments on performance repeated change-of-direction (RCOD) sprint test. A total 36 male students in secondary school participated voluntarily study. They were divided equally into three homogeneous groups [VE group, group (CG), control group) performed a...

Omentin-1 is a recently discovered adipokine, mainly produced by visceral adipose tissue, which thought to improve insulin sensitivity. The study aimed assess the association of plasma omentin-1 with cardiometabolic traits and physical performance test its response high-intensity interval training (HIIT) in obese normal-weight subjects.Nine overweight/obese (OG) 9 (NWG) young men performed an 8-week HIIT program. Body composition, performance, homeostasis model assessment index for...

Abstract Background It is well-documented that listening to music has the potential improve physical performance during intense exercise. Less information available on timing of application. This study aimed investigate effects preferred warm up a subsequent test or repeated sprint sets (RSS) in adult males. Methods In randomized cross-over design, 19 healthy males (age, 22.1 ± 1.2 years; body mass, 72.7 9.3 kg; height, 1.79 0.06 m; BMI, 22.6 2.2 kg m −2 ) performed including 2 5*20-m...

Abstract Khammassi, M, Ouerghi, N, Said, Feki, Y, Pereira, B, Thivel, D, and Bouassida, A. Continuous moderate-intensity but not high-intensity interval training improves immune function biomarkers in healthy young men. J Strength Cond Res 34(1): 249–256, 2020—Effects of endurance running methods on hematological profile are still poorly known. This study aimed to compare the effects 2 regimes; (HIIT) continuous (MCT) performed at same external load active Sixteen men aged 18–20 years were...

The study aimed to assess effects of high-intensity interval training (HIIT) on plasma adipokines and cardiometabolic markers in normal excess weight youth. Eighteen healthy young males (18.2 ± 1.06 yrs.) were divided normal-weight group (NWG; body mass index (BMI), 20.5 1.51 kg/m2; n = 9) excess-weight (EWG; BMI, 30.8 4.56 9). Participants performed an eight-week HIIT program without caloric restriction. Body composition, leptin, adiponectin, chemerin, omentin-1, lipids, C-reactive protein...

Background: Data regarding the effect of training on plasma lipids are controversial. Most studies have addressed continuous or long intermittent programs. The present study evaluated short-short high-intensity (HIIT) aerobic capacity and in soccer players. Methods: included 24 male subjects aged 21–26 years, divided into three groups: experimental group 1 (EG1, n=8) comprising players who exercised addition to regular HIIT twice a week for 12 weeks; 2 (EG2, football program; control (CG,...

Abstract Objectives To investigate the effects of 12-week high-intensity- (HIIT) vs. moderate-intensity-interval training (MIIT) on thyroid stimulating hormone (TSH) and thyroxine (T4) insulin-resistance in overweight/obese adolescent girls. Methods Twenty four girls (age 16.5±1.36 yrs) were randomly allocated into three groups: (1) HIIT (2 blocks per session 6–8 bouts 30 s runs at 100–110% maximal aerobic speed (MAS), with active recovery between 50% MAS; n=8), (2) MIIT 70–80% MAS, n=8) (3)...

The purposes of this study were (i) to describe differences in participation 100-mile ultra-marathons by continent; (ii) investigate performance between continents; and (iii) identify the fastest runners continent country. Data from 148,169 athletes (119,408 men), aged 18-81 years, finishers a 100-miles ultra-marathon during 1870-2020 investigated. Information about age, gender, origin, level (top three, top 10, 100) was obtained. Kruskal-Wallis tests linear regressions performed. Athletes...

The aim of this study was to compare the effects 12-week moderate-intensity interval training (MIIT) vs. high-intensity (HIIT) on body composition, physical fitness, and psychological valence in overweight/obese (OW/OB) female adolescents.Thirty-eight OW/OB students were randomized into HIIT (n=13), MIIT (n=13) or control (n=12) groups. participants underwent a interval-training program at 100% 110% 60% 75% maximal aerobic speed for MIIT, respectively. group kept their usual activity without...

This randomized controlled trial aimed to test whether vitamin D (VD) supplementation affects measures of physical performance in VD-deficient, mildly trained children. Thirty-six recreationally soccer player boys were randomly assigned single dose (200 000 IU) VD3 (n = 19) or placebo 17). Plasma 25-hydroxyvitamin (25-OHD) was assessed and (i.e., vertical standing broad jumps, triple hop, 10-m 30-m sprints, shuttle run) performed before 12 weeks after the loading dose. Mixed ANCOVA models...

Abstract To compare the effects of 12 weeks high-intensity interval training (HIIT) versus moderate-intensity (MIIT) on hematological and inflammatory markers in youth females, 38 overweight/obese females (16.4±1.0 yrs.) were randomly assigned to HIIT (2×6–8 repetitions 30 s at 100–110% maximal aerobic speed (MAS), with active recovery between 50% MAS; n=13), MIIT 70–80% MAS, a control group (CG, no intervention; n=12). Body composition, blood pressure, heart rate, (C-reactive protein [CRP],...

Molecular hydrogen (H2 gas) dissolved in water to produce Hydrogen-Rich Water. Water (HRW) is considered as ergogenic aid different exercise modes. However, acute pre-exercise HRW ingestion effect unclear regarding athlete performance. This study aimed at investigating of on aerobic and anaerobic Twenty-two male amateur middle-distance runners volunteered participate this study. In a randomized, double-blind design, all players ingested 500 mL or placebo (PLA) supplement 30 min before the...

Objective: The purpose of this study was to compare the effects coach encouragement during small-sided games (SSG) on physical enjoyment (PE) and exercise intensity in youth soccer players. Methods: Fourteen U-16 male players (mean ± SD: age=15.7 0.7 years, height=176.5 6.1 cm, body mass=67.2 4.9 kg, fat=10.7 %) took part study. Testing conducted separate days (each training session: 25-min: 4x4-min work with 3-min passive recovery in-between) under two conditions without verbal 4vs. 4 SSG a...

BackgroundVitamin D inadequacy is widespread in children and adolescents worldwide. The present study was undertaken to assess the vitamin status active living a sunny climate identify main determinants of serum concentration 25-hydroxyvitamin (25-OHD).MethodsThis cross-sectional included 225 aged 7–15 years practicing sports football academy. Anthropometric measures were performed calculate body mass index (BMI), fat mass, maturity status. A nutritional enquiry including 3-day food records...

Catecholamines [adrenaline (A) and noradrenaline (NA)] are known to stimulate glucose metabolism at rest in response maximal exercise. However, training recovery mode can alter theses hormones. Thus our study aims examine the effects of during High-intensity Interval Training (HIIT) on glucoregulatory hormone responses exercise young adults. Twenty-four male enrolled this randomized study, assigned to: control group (eg, n=6), two HIIT groups: intermittent (30 s run/30 recovery) with active...

Background and Objectives: Whole-body electromyostimulation is under investigation as a potential aid for obesity-related health problems, supplementing comprehensive, evidence-based obesity management strategy that includes lifestyle, diet, exercise. The study investigated the impact of whole-body training program on physical performance cardiometabolic markers in young obese females. Materials Methods: Twenty-eight females, aged over 18 years with BMI 30 body fat 28% no underlying...