Abstract:
OBJECTIVES:This study investigated indirect measures of post-exercise parasympathetic reactivation (using heart-rate-variability, HRV) and sympathetic withdrawal (using systolic-time-intervals, STI) following upper- and lower-body exercise. DESIGN:Randomized, counter-balanced, crossover. METHODS:13 males (age 26.4±4.7years) performed maximal arm-cranking (MAX-ARM) and leg-cycling (MAX-LEG). Subsequently, participants undertook separate 8-min bouts of submaximal HR-matched exercise of each mode (ARM and LEG). HRV (including natural-logarithm of root-mean-square-of-successive-differences, Ln-RMSSD) and STI (including pre-ejection-period, PEP) were assessed throughout 10-min seated recovery. RESULTS:Peak-HR was higher (p=0.001) during MAX-LEG (182±7beatsmin-1) compared with MAX-ARM (171±12beatsmin-1), while HR (p<0.001) and Ln-RMSSD (p=0.010) recovered more rapidly following MAX-ARM. PEP recovery was similar between maximal bouts (p=0.106). HR during submaximal exercise was 146±7 (LEG) and 144±8beatsmin-1 (LEG) (p=0.139). Recovery of HR and Ln-RMSSD was also similar between submaximal modalities, remaining below baseline throughout recovery (p<0.001). PEP was similar during submaximal exercise (LEG 70±6ms; ARM 72±9ms; p=0.471) although recovery was slower following ARM (p=0.021), with differences apparent from 1- to 10-min recovery (p≤0.036). By 10-min post-exercise, PEP recovered to baseline (132±21ms) following LEG (130±21ms; p=0.143), but not ARM (121±17ms; p=0.001). CONCLUSIONS:Compared with submaximal lower-body exercise, HR-matched upper-body exercise elicited a similar recovery of HR and HRV indices of parasympathetic reactivation, but delayed recovery of PEP (reflecting sympathetic withdrawal). Exercise modality appears to influence post-exercise parasympathetic reactivation and sympathetic withdrawal in an intensity-dependent manner. These results highlight the need for test standardization and may be relevant to multi-discipline athletes and in clinical applications with varying modes of exercise testing.
journal_name
J Sci Med Sportjournal_title
Journal of science and medicine in sportauthors
Michael S,Jay O,Graham KS,Davis GMdoi
10.1016/j.jsams.2018.01.015subject
Has Abstractpub_date
2018-10-01 00:00:00pages
1079-1084issue
10eissn
1440-2440issn
1878-1861pii
S1440-2440(18)30033-1journal_volume
21pub_type
杂志文章,随机对照试验abstract:OBJECTIVES:Sponsorship by manufacturers of unhealthy food can undermine the health promoting goals of sport. This study aimed to describe Australian children's exposure to organised sport, and compare time spent in specific sports with patterns of sponsorship of children's sport identified in previous studies. DESIGN:...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章
doi:10.1016/j.jsams.2013.07.005
更新日期:2014-07-01 00:00:00
abstract:OBJECTIVES:To determine the incidence of Achilles tendinopathy in a large group of recreational runners and to determine risk factors for developing AT. DESIGN:Observational cohort study. METHODS:Runners registering for running events (5-42 km) in the Netherlands were eligible for inclusion. Main inclusion criteria w...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章
doi:10.1016/j.jsams.2019.12.013
更新日期:2020-05-01 00:00:00
abstract:OBJECTIVES:Participants of ultramarathon events experience a complex interaction of psychophysiological stressors. Therefore, the purpose of this study was to investigate the role of trait emotional intelligence (trait EI) on mood states and serum cortisol responses to a 80.5km treadmill ultramarathon. DESIGN:Twelve p...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章
doi:10.1016/j.jsams.2019.02.008
更新日期:2019-07-01 00:00:00
abstract::Organised sports are a popular form of physical activity, but unfortunately, participation can result in injury. Despite this, there have been surprisingly few studies that have reported the population rate of sports injury. Data from the 2005 New South Wales (NSW, Australia) Population Health Survey were analysed to ...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章
doi:10.1016/j.jsams.2009.04.003
更新日期:2010-05-01 00:00:00
abstract::The aim was to investigate the effects of fatigue induced by electrical stimulation superimposed onto voluntary muscular contractions on postural abilities and strategy (n=8). Two groups of subjects performed a fatiguing of the triceps surae, the first by voluntary muscular contractions (group VOL) and the second (n=8...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章
doi:10.1016/j.jsams.2007.10.006
更新日期:2009-01-01 00:00:00
abstract:OBJECTIVES:Our primary objective was to report the presence of a conditioned pain modulation (CPM) effect in people with localised mid-portion Achilles tendinopathy and whether changes occur over a 12-week period. Our secondary objectives were to quantify the proportion of participants who present for tendinopathy rese...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章
doi:10.1016/j.jsams.2020.10.015
更新日期:2020-11-04 00:00:00
abstract::This study examined the effects of active warm up on thermoregulatory responses and intermittent-sprint cycle performance in hot conditions (35.5+/-0.6 degrees C, RH 48.7+/-3.4%). Eight trained males performed a 36-min, intermittent-sprint test (IST) after no (WUP 0), 10-min (WUP 10) or 20-min warm up (WUP 20). The IS...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章
doi:10.1016/j.jsams.2007.05.013
更新日期:2009-01-01 00:00:00
abstract:OBJECTIVES:This study investigated the association between high-speed running (HSR) and sprint running (SR) and injuries within elite soccer players. The impact of intermittent aerobic fitness as measured by the end speed of the 30-15 intermittent fitness test (30-15VIFT) and high chronic workloads (average 21-day) as ...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章
doi:10.1016/j.jsams.2017.05.016
更新日期:2018-03-01 00:00:00
abstract:OBJECTIVES:This is the first study to evaluate the mechanical sensitivity, clinical classifications and prevalence of groin pain in Australian football players. DESIGN:Case-control. METHODS:Professional (n=66) and semi-professional (n=9) Australian football players with and without current or previous groin injuries ...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章
doi:10.1016/j.jsams.2015.12.516
更新日期:2016-10-01 00:00:00
abstract::The relationships between lower limb strength and two Australian football (AF) skills were assessed for 19 sub-elite AF players. Knee extension (KE) and knee flexion (KF) strength were assessed using a Biodex isokinetic dynamometer at angular velocities of 60, 240 and 360 degrees/sec. The two AF skills evaluated were ...
journal_title:Journal of science and medicine in sport
pub_type: 临床试验,杂志文章
doi:10.1016/s1440-2440(01)80042-6
更新日期:2001-09-01 00:00:00
abstract:OBJECTIVES:To assess the physiological and performance effects of a 12% carbohydrate-electrolyte beverage consumed at practically applicable time-points (i.e., before each half) throughout simulated soccer match-play. DESIGN:Randomised, counterbalanced, crossover. METHODS:Fed players (n=15) performed 90-min of soccer...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章,随机对照试验
doi:10.1016/j.jsams.2017.04.015
更新日期:2017-12-01 00:00:00
abstract::The aim of this study was to examine the effects of an early dismissal (after 5-min play) on work-rate in a professional soccer match. A computerised player tracking system was used to assess the work-rates of seven players who completed the match on a team with 10 players. A minute-by-minute analysis of the remaining...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章
doi:10.1016/j.jsams.2008.09.004
更新日期:2010-01-01 00:00:00
abstract:OBJECTIVES:We investigated the level of cardiovascular stress associated with professional rugby union and whether these changes could be explained through external workload systems like GPS and video analysis. DESIGN:Urine samples (14 in game one and 13 in game two) were collected from professional rugby players befo...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章
doi:10.1016/j.jsams.2016.11.017
更新日期:2017-08-01 00:00:00
abstract:OBJECTIVES:To quantify and profile the training and match loads of international footballers as they transition from club-to-camp-to-tournament contexts during multiple international tournaments. DESIGN:Retrospective single-cohort observational study. METHODS:External (session duration and count) and internal (sessio...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章
doi:10.1016/j.jsams.2019.02.006
更新日期:2019-08-01 00:00:00
abstract:OBJECTIVES:To examine urban/rural differences in children's independent mobility; associations between mobility licences and children's independent mobility; and potential correlates of mobility licences. DESIGN:Cross-sectional study of 430 primary (48% boys; 72% urban) and 258 secondary schoolchildren (52% boys; 51.6...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章
doi:10.1016/j.jsams.2012.03.005
更新日期:2012-11-01 00:00:00
abstract:OBJECTIVES:Athletes who train indoors during the winter months exhibit low serum 25-hydroxyvitamin D [25(OH)D] concentrations due to a lack of sunlight exposure. This has been linked to impaired exercise performance. The purpose of this study was to assess the effects of oral vitamin D₃ supplementation on selected phys...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章
doi:10.1016/j.jsams.2013.03.007
更新日期:2014-01-01 00:00:00
abstract::The aims of this study were to assess the durations of the different arm and leg stroke phases (propulsion, glide, and recovery) and the temporal arm-leg gaps between 12 competitive and 12 recreational breaststroke swimmers. The mean ages and best times for a 50-m breaststroke were, respectively, (recreational: 16.9+/...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章
doi:10.1016/j.jsams.2008.01.001
更新日期:2009-05-01 00:00:00
abstract:OBJECTIVES:This paper sought to determine the psychological characteristics and skills that are fundamental to batting success in the sport of cricket. DESIGN AND METHOD:Following on from the findings of an earlier qualitative investigation which suggested that a favourable mix of psychological attributes and skills a...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章
doi:10.1016/j.jsams.2011.07.003
更新日期:2012-01-01 00:00:00
abstract:OBJECTIVES:We tested the hypothesis that fast skeletal muscle troponin I (fsTnI) concentration in serum would increase more than those of slow skeletal muscle troponin I (ssTnI) after eccentric exercise of the elbow flexors using a sensitive blood marker to track fibre specific muscle damage. DESIGN:Observational comp...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章
doi:10.1016/j.jsams.2012.05.006
更新日期:2013-01-01 00:00:00
abstract:OBJECTIVES:The aim of this study was to investigate if and to what extent small lateral wedges inserted under the ski boot, known as canting, could impact knee kinematics/kinetics, balance, and neuromuscular activity in recreational alpine skiers in the laboratory setting. DESIGN:Experimental, crossover study with rep...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章
doi:10.1016/j.jsams.2020.05.009
更新日期:2020-05-17 00:00:00
abstract:OBJECTIVES:To determine the effects of "strides" with a weighted-vest during a warm-up on endurance performance and its potential neuromuscular and metabolic mediators. A bout of resistance exercise can enhance subsequent high-intensity performance, but little is known about such priming exercise for endurance performa...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章
doi:10.1016/j.jsams.2013.12.005
更新日期:2015-01-01 00:00:00
abstract::The purpose of this investigation was to determine if a single set of strenuous squat exercise would result in an acute oxidative stress, as demonstrated previously by a single sprint. Thirteen resistance trained men performed one set of 15 repetitions of barbell squats using 70% of one repetition maximum and a 30 s m...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章
doi:10.1016/j.jsams.2006.07.014
更新日期:2007-12-01 00:00:00
abstract:OBJECTIVES:Despite the known benefits of physical activity, the majority of adults in developed countries lead sedentary lifestyles. The community setting is a promising venue for physical activity-promoting interventions. Our objectives were to investigate the effectiveness of community-based physical activity interve...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章,评审
doi:10.1016/j.jsams.2013.04.009
更新日期:2014-05-01 00:00:00
abstract:OBJECTIVES:We evaluated the benefits and relationship of the number of steps per day to the cardiometabolic risk factors: adiposity indicators; insulin resistance; and metabolic syndrome (MetS) in apparently healthy Brazilian middle-aged men. DESIGN:Cross-sectional. METHODS:Apparently healthy men (age: 50 ± 5 years; ...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章
doi:10.1016/j.jsams.2013.04.017
更新日期:2014-05-01 00:00:00
abstract:OBJECTIVES:Resistance exercise is used as a non-pharmacological tool to elicit both gains in and maintenance of physical function in the elderly. Thus, the present study examined the acute response of creatine kinase and interleukin-6 following an eccentric resistance exercise session in elderly obese women classified ...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章
doi:10.1016/j.jsams.2013.09.012
更新日期:2014-11-01 00:00:00
abstract::The current schedule of the Brazilian Soccer Championship may not give players enough recovery time between games. This could increase the chances of muscle damage and impaired performance. We hypothesized that plasma creatine kinase (CK) activity could be a reliable indirect marker of muscle overload in soccer player...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章
doi:10.1016/j.jsams.2007.10.004
更新日期:2009-01-01 00:00:00
abstract:INTRODUCTION:Injuries sustained by Australian Defence Force (ADF) personnel during non-combat military training and sports activity are associated with increasing costs due to work days lost, medical treatment, compensation, and early retirement. In 2001, the ADF commissioned a systematic review of the evidence-base fo...
journal_title:Journal of science and medicine in sport
pub_type: 评论,杂志文章,评审
doi:10.1016/s1440-2440(04)80049-5
更新日期:2004-03-01 00:00:00
abstract:OBJECTIVES:The purpose of this study was to examine the use of home exercise equipment in the form of exergame cycling compared to a stationary recumbent bicycle ergometer in front of TV in the home over 3 months among parents of an intervention with their inactive children. The primary outcome was bike use (total week...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章,随机对照试验
doi:10.1016/j.jsams.2018.03.013
更新日期:2018-10-01 00:00:00
abstract::While taper is a well-established practice in most endurance sports, no study has investigated the effects of taper on repeated-sprint ability (RSA). Eleven female, recreational, team-sport athletes (mean+/-SD: age = 19+/-3 y, VO2max = 39.0+/-6.4 mLxkg(-1)xmin(-1)) trained intensively three times per week for six week...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章
doi:10.1016/s1440-2440(05)80011-8
更新日期:2005-06-01 00:00:00
abstract::Preventing sports injuries in children is important, but there is limited information about children's perceptions of injury risk or their injury beliefs and attitudes. This study investigated injury risk perceptions in a sample of junior sports participants across different age levels of play. Junior cricket players ...
journal_title:Journal of science and medicine in sport
pub_type: 杂志文章
doi:10.1016/j.jsams.2010.06.001
更新日期:2011-03-01 00:00:00