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PubMed Journals Articles About "Relationship Between Repeated Sprint Ability Aerobic Capacity Intermittent" RSS

16:11 EDT 30th March 2020 | BioPortfolio

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Showing "Relationship Between Repeated Sprint Ability Aerobic Capacity Intermittent" PubMed Articles 1–25 of 19,000+

Relationship Between Repeated Sprint Ability, Aerobic Capacity, Intermittent Endurance, and Heart Rate Recovery in Youth Soccer Players.

Rodríguez-Fernández, A, Sanchez-Sanchez, J, Ramirez-Campillo, R, Nakamura, FY, Rodríguez-Marroyo, JA, and Villa-Vicente, JG. Relationship between repeated sprint ability, aerobic capacity, intermittent endurance, and heart rate recovery in youth soccer players. J Strength Cond Res 33(12): 3406-3413, 2019-To investigate the relationship between repeated sprint ability (RSA) and several aerobic and anaerobic-related soccer-performance indicators, 45 youth soccer players (age 16.8 ± 0.1 years) were classif...


Relationship between VO, cycle economy & mitochondrial respiration in untrained/trained.

Aerobic capacity is negatively related to locomotion economy. The purpose of the paper is to determine what effects aerobic exercise training has on the relationship between net cycling oxygen uptake (inverse of economy) and aerobic capacity (VO) as well as what role mitochondrial coupled and uncoupled respiration may play in whole body aerobic capacity and cycling economy.

High-intensity cycling re-warm up within a very short time-frame increases the subsequent intermittent sprint performance.

This study investigated the effect of high-intensity cycling re-warm up (RW) within a very short time-frame on the subsequent intermittent sprint performance. Twelve active males completed three trials in random order: control (CON); 3-min RW at 30% of maximal oxygen uptake (VO) (RW30); and 1-min RW at 90% of VO (RW90). During the experimental trials, participants performed 40 min of intermittent cycling exercise followed by 15 min of rest. During the rest period, participants completed CON, RW30, or RW90. ...


Effects of High-Intensity Interval Training in Combat Sports: A Systematic Review with Meta-Analysis.

Vasconcelos, BB, Protzen, GV, Galliano, LM, Kirk, C, and Del Vecchio, FB. Effects of high-intensity interval training in combat sports: A systematic review with meta-analysis. J Strength Cond Res XX(X): 000-000, 2019-Combat sports (CS) are intermittent by nature and high-intensity interval training (HIIT) has been used as a tool to maintain and improve physical fitness among CS athletes. The aim of this study was to perform a systematic review and meta-analysis about chronic effects of HIIT in CS athletes. ...

Muscle oxygenation maintained during repeated-sprints despite inspiratory muscle loading.

A high work of breathing can compromise limb oxygen delivery during sustained high-intensity exercise. However, it is unclear if the same is true for intermittent sprint exercise. This project examined the effect of adding an inspiratory load on locomotor muscle tissue reoxygenation during repeated-sprint exercise. Ten healthy males completed three experiment sessions of ten 10-s sprints, separated by 30-s of passive rest on a cycle ergometer. The first two sessions were "all-out' efforts performed without ...

Effects of fatigue induced by repeated-sprint on kicking accuracy and velocity in female soccer players.

The aim of this study was to investigate the effects of fatigue induced by repeated sprint in the kicking accuracy and velocity in female soccer players. Eighteen Under-23 female soccer players from a Spanish professional club were subjected to a fatigue protocol based on a repeated-sprint ability (RSA) test. Measurements of the kicking velocity (maximal ball velocity) and accuracy (Loughborough Soccer Shooting Test) were taken before and after fatigue induction. Correlations between the change in the maxim...

Relationship Between Distinct Physical Capacities in Young Welsh Rugby Players.

Loturco, I, Ashcroft, P, Evans, N, Tombs, C, Pereira, LA, and Jeffreys, I. Relationship between distinct physical capacities in young Welsh rugby players. J Strength Cond Res XX(X): 000-000, 2019-We examined the correlations between aerobic fitness (assessed by the 30-15 intermittent fitness test [IFT]), maximum isometric strength, vertical jump, and speed performance of 37 under-16 (U16) Welsh regional rugby players. The physical assessments used in this research are part of a regional development program ...

Effect of Physical Fatigue Elicited by Continuous and Intermittent Exercise on Motor Imagery Ability.

: The ability to perform motor imagery (MI) might be impaired by the physical fatigue elicited during training. Interestingly, there is also theoretical support for a more limited influence of fatigue in the existing literature. : We evaluated MI ability before and after two exercise protocols: () a continuous exercise of 20 min performed on a cycle ergometer at 80% of the secondary ventilatory threshold (Continuous exercise), and () an intermittent exercise of 20 min involving sprints at maximal intensity ...

NAD precursor increases aerobic performance in mice.

Nicotinamide riboside (NR) acts as a potent NAD precursor and improves mitochondrial oxidative capacity and mitochondrial biogenesis in several organisms. However, the effects of NR supplementation on aerobic performance remain unclear. Here, we evaluated the effects of NR supplementation on the muscle metabolism and aerobic capacity of sedentary and trained mice.

Sprint exercise for subjects with mild-to-moderate Parkinson's disease: Feasibility and biomechanical outputs.

High-intensity training, a still unexplored exercise for individuals with Parkinson's disease, is positively related with increased functionality and aerobic profile in healthy individuals. The aim of this work was to evaluate the feasibility, safety, and acceptance of sprint running in individuals with mild-to-moderate Parkinson's. Additionally, we compared sprint biomechanical outputs of force, velocity and power between individuals with Parkinson's disease and healthy.

Chronic metformin intake improves anaerobic but not aerobic capacity in healthy rats.

The effect of chronic metformin intake on aerobic and anaerobic capacity was examined in healthy rats. Twenty rats completed 10 days of metformin ingestion (MET, 250 mg). After this period, the animals performed 4 high-intensity bouts until exhaustion at 9, 11, 13 and 15% of body weight (BW) in swimming, separated by 24h hours, with prior metformin (250 mg) or placebo (PL). The Critical Load (CL) and Anaerobic Work Capacity (AWC) were calculated and considered aerobic and anaerobic capacity, respectively. T...

Temporomandibular dysfunction affects aerobic capacity in females: A preliminary study.

: The purpose of this study was to investigate the aerobic capacity in patients with temporomandibular dysfunction (TMD) and to compare the results with those of the asymptomatic individuals.: The TMD group included a total of 31 females between the ages of 18 and 25 years. The control group consisted of 31 asymptomatic females with an age range of 18 to 27 years. A graded exercise test was performed using an electronically braked arm crank ergometer. An indirect calorimeter system was used to calculate t...

Submaximal field testing validity for aerobic fitness assessment in recreational football.

Submaximal field tests are especially recommended when repeated testing is warranted. This study aimed at assessing the validity of the submaximal versions of the Yo-Yo intermittent tests in male recreational football players in untrained and trained status. The participants' (n=66; age 39.3±5.8 years, VO 41.2±6.2 ml·kg ·min , body mass 81.9±10.8 kg, height 173.2±6.4 cm) heart rate after 2 min (HR ) during the level 1 (YYIE1 ) and 2 (YYIE2 ) versions of the Yo-Yo intermittent endurance test and the le...

The effect of β-alanine supplementation during high-intensity interval training on repeated sprint ability performance and neuromuscular fatigue.

The study investigated the influence of β-Alanine supplementation during a high-intensity interval training (HIIT) program on repeated sprint ability (RSA) performance. This study was randomized, double-blinded and placebo-controlled. Eighteen men performed an incremental running test until exhaustion (T) at baseline and followed by 4-week HIIT (10×1-min runs 90% maximal T velocity [1-min recovery]). Then, participants were randomized into 2 groups and performed a 6-week HIIT associated with supplementati...

Yo-Yo intermittent tests are a valid tool for aerobic fitness assessment in recreational football.

To examine the suitability of three versions and two levels of the Yo-Yo intermittent tests for assessing and tracking aerobic fitness status development in male recreational football players. Sixty-six untrained participants (age 39 ± 6 years, VO 41.2 ± 6.2 ml kg min, body mass 81.9 ± 10.8 kg, height 173.2 ± 6.4 cm) partook in a 12-week recreational football training program. They were evaluated during the Yo-Yo intermittent endurance level 1 (YYIE1) and 2 (YYIE2) tests and the Yo...

Sled-Push Load-Velocity Profiling and Implications for Sprint Training Prescription in Young Athletes.

Cahill, MJ, Oliver, JL, Cronin, JB, Clark, KP, Cross, MR, and Lloyd, RS. Sled-push load-velocity profiling and implications for sprint training prescription in young athletes. J Strength Cond Res XX(X): 000-000, 2020-Resisted sled pushing is a popular method of sprint-specific training; however, little evidence exists to support the prescription of resistive loads in young athletes. The purpose of this study was to determine the reliability and linearity of the force-velocity relationship during sled pushin...

Factors of importance for developing a trustful patient-professional relationship when women undergo a pelvic examination.

We examined gynecological teaching women's perception on what factors are important for developing a trustful patient-professional relationship when women undergo a pelvic examination. A qualitative research design was conducted with repeated focus group discussions. Our results show that healthcare professionals' communications skills can strengthen a trustful patient-professional relationship. Treating women with dignity could make them feel less vulnerable and make the relationship trustworthy based on r...

Effect of Sport-Specific Constraints on Aerobic Capacity in High School Field Hockey Players.

Roberts, AH, Walden, AJ, Carter, KA, and Symons, TB. Effect of sport-specific constraints on aerobic capacity in high school field hockey players. J Strength Cond Res XX(X): 000-000, 2019-Many sports require the use of a mouth guard (MG) and carrying an object during play. Research has shown that individually these conditions can cause performance decrements; however, no research has been conducted into the effect of combining both mouth guard and stick with adolescent female field hockey players. This stud...

Fixed and flexible: Dynamic prefrontal activations and working memory capacity relationships vary with memory demand.

Prefrontal cortex (PFC) activation during encoding of memoranda (proactive responses) is associated with better working memory (WM) compared to reactive/retrieval-based activation. This suggests that dynamic PFC activation patterns may be fixed, based upon one's WM ability, with individuals who have greater WM ability relying more on proactive processes and individuals with lesser WM ability relying more on reactive processes. We newly tested whether this heuristic applied when challenging an individual's W...

Predictors of improved aerobic capacity in individuals with chronic stroke participating in cycling interventions.

To determine demographic and physiologic factors that predict improvement in aerobic capacity among individuals with chronic stroke participating in cycling interventions.

Central cardiovascular system limits to aerobic capacity.

A synthesis of data and ideas about what limits maximal aerobic capacity demonstrates the central roles of cardiac output, stroke volume and red blood cell mass in the complex physiological responses to maximal exercise. In healthy humans these factors, along with skeletal muscle blood flow, dominate systemic delivery of oxygen to the contracting muscles and set the upper limit of aerobic energy production by skeletal muscles. In elite athletes and patients with pulmonary disease the lungs can also limit ox...

Physical, Biochemical, and Neuromuscular Responses to Repeated Sprint Exercise in Eumenorrheic Female Handball Players: Effect of Menstrual Cycle Phases.

Graja, A, Kacem, M, Hammouda, O, Borji, R, Bouzid, MA, Souissi, N, and Rebai, H. Physical, biochemical, and neuromuscular responses to repeated sprint exercise in eumenorrheic female handball players: effect of menstrual cycle phases. J Strength Cond Res XX(X): 000-000, 2020-Very few studies have been interested in the relationship between ovarian hormones and physiological function in female athletes. The aim of this study was to assess the effect of menstrual phases (MP) on physical, neuromuscular, and bi...

Effect of High-Intensity Interval Training Versus Sprint Interval Training on Time-Trial Performance: A Systematic Review and Meta-analysis.

Two forms of interval training commonly discussed in the literature are high-intensity interval training (HIIT) and sprint interval training (SIT). HIIT consists of repeated bouts of exercise that occur at a power output or velocity between the second ventilatory threshold and maximal oxygen consumption (VO). SIT is performed at a power output or velocity above those associated with VO.

Aerobic capacity is associated with disease activity and cardiovascular risk factors in early rheumatoid arthritis.

The aim of this study was to investigate aerobic capacity and its associations with disease activity and risk factors for cardiovascular disease (CVD) in early rheumatoid arthritis (RA).

Comparison of the Effects of Continuous and Intermittent Exercise on Cerebral Oxygenation and Cognitive Function.

Cognitive function is reported to improve by moderate aerobic exercise. However, the effects of intermittent exercise with rest between the moderate-intensity exercise are unclear. Therefore, this study aimed to compare the effects of continuous and intermittent exercise on cerebral oxygenation and cognitive function. This study included 18 healthy adults. For the continuous exercise protocol, 5 min of rest was followed by 30 min of exercise; 5 min of rest was allowed after each exercise. For the intermitte...


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