Abstract：
OBJECTIVE:To determine the importance of the provision of external exercise information to the setting of the pacing strategy, in subjects unfamiliar with a cycling task. DESIGN:Twenty-two healthy, untrained cyclists (VO(2max), 50 ± 9 mL-(1)·kg-(1)·min-(1)) were randomly assigned to a control (CON) group or an experimental (EXP) group and two successive 4 km time trials (TT) were performed, separated by a 17 min recovery. The CON group received distance knowledge and distance feedback; the EXP group received neither, but knew that each TT was to be of the same distance. RESULTS:No significant difference in completion time (p>0.05) was observed between the groups for either time to complete TT one (TT1) (CON=443 ± 33 s versus EXP=471 ± 63 s) or time to complete TT two (time trial 2) (CON=461 ± 37 s versus EXP=501 ± 94 s). No significant difference in the final RPE was observed between groups. However, a significant interaction for RPE (rating of perceived exertion)×TT in the CON was observed (F7,70=5.32, p<0.05), with significantly higher RPE values in the final kilometre of TT2 (p<0.05). CONCLUSION:The lack of any performance improvement in either group, despite the differences in exercise information received, indicates both a reliance on the afferent feedback for setting a pacing strategy and slow learning effect from practice in subjects unfamiliar with the task. The modification in RPE profile observed in the CON, despite no performance improvement, suggests exercise perception based changes may pre-empt work rate based changes and thus not immediately translate to improved performance.
journal_name
Br J Sports Medjournal_title
British journal of sports medicineauthors
Williams CA,Bailey SD,Mauger ARdoi
10.1136/bjsports-2011-090257subject
Has Abstractpub_date
2012-01-01 00:00:00pages
49-53issue
1eissn
0306-3674issn
1473-0480pii
bjsports-2011-090257journal_volume
46pub_type
杂志文章,随机对照试验abstract：OBJECTIVE:In this study, the serum triglycerides and total serum cholesterol levels in patients with rotator cuff tear were determined. DESIGN:Frequency-matched case-control study. Setting University teaching hospital. PARTICIPANTS:240 individuals who were operated on at our institution were included in the study. 12...
journal_title：British journal of sports medicine
pub_type： 杂志文章
doi：10.1136/bjsm.2008.056440
更新日期：2010-10-01 00:00:00
abstract：:The purpose of this study was to determine the relationship between non-invasive laboratory measures of 'muscle power' and swim performance over sprint (50 m) and middle-distance (400 m) events. Twenty-two swimmers performed an upper and lower body Wingate Anaerobic Test (WAT) and a maximal sustained power output test...
journal_title：British journal of sports medicine
pub_type： 杂志文章
doi：10.1136/bjsm.26.3.151
更新日期：1992-09-01 00:00:00
abstract：BACKGROUND:The relatively young sport of snowboarding exhibits high injury rates. The current efforts to characterise the injury pattern of snowboarders focus largely on the general snowboard population and upper extremity injuries, the most common injury site in snowboarders as a whole. METHODS:In an effort to descri...
journal_title：British journal of sports medicine
pub_type： 杂志文章,评审
doi：10.1136/bjsports-2013-093019
更新日期：2014-01-01 00:00:00
abstract：OBJECTIVE:To compare estimated maximal oxygen uptake (VO2max) in Tanzanian and Norwegian children, by using the same bicycle protocol in both samples. METHODS:Maximal oxygen uptake was estimated from an indirect maximal watt cycle ergometer test in 156 rural boys and girls in Tanzania. Similarly aged urban Norwegian b...
journal_title：British journal of sports medicine
pub_type： 杂志文章,多中心研究
doi：10.1136/bjsm.2005.020040
更新日期：2006-04-01 00:00:00
abstract：BACKGROUND:The aim of this study was to update our original systematic review of return to sport rates following anterior cruciate ligament (ACL) reconstruction surgery. METHOD:Electronic databases were searched from April 2010 to November 2013 for articles reporting the number of patients returning to sport following...
journal_title：British journal of sports medicine
pub_type： 杂志文章,meta分析,评审
doi：10.1136/bjsports-2013-093398
更新日期：2014-11-01 00:00:00
abstract：BACKGROUND/AIM:Dupuytren disease is a fibroproliferative hand condition. The role of exposure to vibration as a risk factor has been studied with contradictory results. Since field hockey is expected to be a strong source of hand-arm vibration, we hypothesised that long-term exposure to field hockey is associated with ...
journal_title：British journal of sports medicine
pub_type： 杂志文章
doi：10.1136/bjsports-2016-096236
更新日期：2018-10-01 00:00:00
abstract：:A case of symptomatic muscle hernia of the leg in a provincial cricketer caused by a cricket ball injury is presented. It was diagnosed clinically and treated with a limited fasciotomy. However, delay in the diagnosis and treatment ended the professional career of the player. An awareness of the condition and a high i...
journal_title：British journal of sports medicine
pub_type： 杂志文章
doi：10.1136/bjsm.2007.041541
更新日期：2008-12-01 00:00:00
abstract：OBJECTIVES:To evaluate the cost effectiveness of a proprioceptive balance board training programme for the prevention of ankle sprains in volleyball. METHODS:A total of 116 volleyball teams participated in this study which was carried out during the 2001-2002 volleyball season. Teams were randomly allotted to an inter...
journal_title：British journal of sports medicine
pub_type： 临床试验,杂志文章,随机对照试验
doi：10.1136/bjsm.2003.011031
更新日期：2005-02-01 00:00:00
abstract：:The rehabilitation of the knee with a deficient anterior cruciate ligament (ACL) always presents a great challenge. Isokinetic assessment allows muscle performance to be quantified. The antishear device, introduced by Johnson, has the distinct advantage of minimizing the anterior translation force during isokinetic ex...
journal_title：British journal of sports medicine
pub_type： 临床试验,杂志文章,随机对照试验
doi：10.1136/bjsm.29.3.171
更新日期：1995-09-01 00:00:00
abstract：OBJECTIVE:To investigate the efficacy and safety of dietary supplements for patients with osteoarthritis. DESIGN:An intervention systematic review with random effects meta-analysis and meta-regression. DATA SOURCES:MEDLINE, EMBASE, Cochrane Register of Controlled Trials, Allied and Complementary Medicine and Cumulati...
journal_title：British journal of sports medicine
pub_type： 杂志文章,meta分析,评审
doi：10.1136/bjsports-2016-097333
更新日期：2018-02-01 00:00:00
abstract：OBJECTIVE:We compared long-term follow-up from surgical versus non-surgical treatment of ACL rupture regarding radiographic knee osteoarthritis (OA), secondary surgery, laxity and patient-reported outcome measures (PROMs). DESIGN:Systematic review and meta-analysis. DATA SOURCES:Embase, MEDLINE, CINAHL and the Cochra...
journal_title：British journal of sports medicine
pub_type： 杂志文章,meta分析
doi：10.1136/bjsports-2019-100765
更新日期：2020-05-01 00:00:00
abstract：OBJECTIVE:The perception of Nigerian athletes of the use of mouth guards to prevent the stresses of sports injuries was examined using psychological, sociological, and physical stress variables. METHODS:The descriptive survey research design was used in this study. Participants (n = 333) were selected using the purpos...
journal_title：British journal of sports medicine
pub_type： 杂志文章
doi：10.1136/bjsm.2003.004838
更新日期：2004-12-01 00:00:00
abstract：OBJECTIVE:To test the hypothesis that microwave hyperthermia treatment (MHT) increases heat shock proteins (HSPs) in the human vastus lateralis muscle. METHODS:Four untrained healthy male volunteers participated in this study. The lateral side of the thigh of one leg (heated leg) was heated with a microwave generator ...
journal_title：British journal of sports medicine
pub_type： 杂志文章
doi：10.1136/bjsm.2006.032938
更新日期：2007-07-01 00:00:00
abstract：OBJECTIVE:The introduction of shoulder pads has coincided with a rise in shoulder impact injuries in the game of rugby. In this study, the effect of shoulder pads on impact force attenuation was quantified. DESIGN:Four different commercially available shoulder pads were tested for material properties. Hard and soft ob...
journal_title：British journal of sports medicine
pub_type： 杂志文章
doi：10.1136/bjsm.2008.047449
更新日期：2010-02-01 00:00:00
abstract：AIMS:(1) To investigate whether a daily acute:chronic workload ratio informs injury risk in Australian football players; (2) to identify which combination of workload variable, acute and chronic time window best explains injury likelihood. METHODS:Workload and injury data were collected from 53 athletes over 2 seasons...
journal_title：British journal of sports medicine
pub_type： 杂志文章
doi：10.1136/bjsports-2016-096309
更新日期：2017-08-01 00:00:00
abstract：OBJECTIVES:As physical activity is promoted as part of a healthy lifestyle, sports injuries are becoming an important public health concern in many countries. The objective of this study is to investigate rates of sports injuries before and after implementation of a WHO Safe Community program. METHODS:Sports injury da...
journal_title：British journal of sports medicine
pub_type： 杂志文章
doi：10.1136/bjsm.2004.014472
更新日期：2005-07-01 00:00:00
abstract：BACKGROUND:Extremely low weight and rapid changes in weight and body composition have become major concerns in many sports, but sufficiently accurate field methods for body composition assessment in athletes are missing. This study aimed to explore the use of ultrasound methods for assessment of body fat content in ath...
journal_title：British journal of sports medicine
pub_type： 杂志文章
doi：10.1136/bjsports-2013-092232
更新日期：2013-11-01 00:00:00
abstract：BACKGROUND:Blood lactate concentration (BLC) can be used to monitor relative exercise intensity. The highest BLC representing an equilibrium between lactate production and elimination is termed maximal lactate steady state (MLSS). MLSS is used to discriminate qualitatively between continuous exercise, which is limited ...
journal_title：British journal of sports medicine
pub_type： 杂志文章
doi：10.1136/bjsm.35.3.192
更新日期：2001-06-01 00:00:00
abstract：BACKGROUND:Gymnasts practise many hours a week, and symptoms from injuries do not seem to stop them from continuing with practice. They may even compete with symptoms from injuries, which could increase the risk of reinjury, or of the occurrence of a more severe injury. OBJECTIVES:To investigate whether team gymnasts ...
journal_title：British journal of sports medicine
pub_type： 杂志文章
doi：10.1136/bjsm.2002.001990
更新日期：2004-08-01 00:00:00
abstract：OBJECTIVES:The study aimed to determine the risk of time-loss injuries in international fencing and to characterise their type, location, severity and mechanism. Variations in risk associated with sex and discipline categories are also examined. METHODS:Data on participation and withdrawal due to injury from 809 compe...
journal_title：British journal of sports medicine
pub_type： 杂志文章
doi：10.1136/bjsports-2018-100002
更新日期：2019-04-01 00:00:00
abstract：OBJECTIVE:Devise and implement evidence-based guidelines for the prevention and management of travellers' diarrhoea (TD), and establish the incidence of TD during an elite sporting trip to India. DESIGN:Literature review and audit. SETTING:Youth Commonwealth Games in India 2008. PARTICIPANTS:All members of the Team ...
journal_title：British journal of sports medicine
pub_type： 杂志文章,评审
doi：10.1136/bjsm.2009.063396
更新日期：2009-12-01 00:00:00
abstract：OBJECTIVES:To identify physical activity that is beneficial for the maintenance of bone strength with increasing age by examining the relation between bone mineral density (BMD) and chronic endurance training in men. BMD at the proximal femur, its subregions, and the lumbar spine, and serum testosterone were compared b...
journal_title：British journal of sports medicine
pub_type： 杂志文章
doi：10.1136/bjsm.34.4.273
更新日期：2000-08-01 00:00:00
abstract：BACKGROUND:Some controversy exists over the possibility that exercise during pregnancy might increase the risk of preterm delivery. OBJECTIVE:This study aimed to determine the possible cause-effect relationship between regular exercise performed during the second and third trimesters of pregnancy by previously sedenta...
journal_title：British journal of sports medicine
pub_type： 杂志文章,随机对照试验
doi：10.1136/bjsm.2008.047837
更新日期：2008-08-01 00:00:00
abstract：BACKGROUND:In competitive alpine skiing, there is a controversy regarding the sex-related risk of injury. OBJECTIVE:To compare the risk of injury in female versus male World Cup (WC) alpine skiers. METHODS:Injuries were recorded through the International Ski Federation Injury Surveillance System for six consecutive w...
journal_title：British journal of sports medicine
pub_type： 杂志文章
doi：10.1136/bjsports-2013-092206
更新日期：2014-01-01 00:00:00
abstract：BACKGROUND:Course setting has often been discussed as a potential preventative measure in the World Cup ski-racing community. However, there is limited understanding of how it is related to injury risk. OBJECTIVE:This study was undertaken to investigate the effect of increased horizontal gate distance on energy-relate...
journal_title：British journal of sports medicine
pub_type： 杂志文章
doi：10.1136/bjsports-2012-091425
更新日期：2012-12-01 00:00:00
abstract：:Tournament water skiing is an increasingly popular and internationally successful sport in Great Britain, despite the climate. The kinematics and injury patterns of the three disciplines will be unfamiliar to most clinicians and are described, with estimation of the stresses. Advances in equipment over the last 15 yea...
journal_title：British journal of sports medicine
pub_type： 杂志文章
doi：10.1136/bjsm.30.2.90
更新日期：1996-06-01 00:00:00
abstract：:One-third of orbital blowout fractures are sustained during sport. Soccer is most commonly involved. Though visual acuity recovery is usually complete, permanent loss of binocular visual field is almost universal. Typically high-energy blows by opponent's finger, fist, elbow, knee or boot are responsible. Injuries to ...
journal_title：British journal of sports medicine
pub_type： 杂志文章
doi：10.1136/bjsm.28.4.272
更新日期：1994-12-01 00:00:00
abstract：:Nine healthy male subjects differing in their training status (VO2 max 54 +/- 7 ml.min-1.kg-1, mean +/- SD; 43-64 ml.min-1 kg-1, range) exercised on two occasions separated by one week. On each occasion, having fasted overnight, subjects exercised for 1 h on an electrically braked cycle ergometer at a workload equival...
journal_title：British journal of sports medicine
pub_type： 临床试验,杂志文章,随机对照试验
doi：10.1136/bjsm.23.2.109
更新日期：1989-06-01 00:00:00
abstract：:Anabolic androgenic steroids (AAS) are used illicitly at high doses by bodybuilders. The misuse of these drugs is associated with serious adverse effects to the liver, including cellular adenomas and adenocarcinomas. We report two very different cases of adult male bodybuilders who developed hepatocellular adenomas fo...
journal_title：British journal of sports medicine
pub_type： 杂志文章,评审
doi：10.1136/bjsm.2004.013599
更新日期：2005-05-01 00:00:00
abstract：:Thirty one amateur skiers with 33 knees which had had a symptomatic chronic rupture of the anterior cruciate ligament (ACL) treated with the Lemaire operation were reviewed retrospectively at an average of 4.5 years. Of the patients 23 were women. The operation failed to control symptoms in 17 out of the 33 knees. How...
journal_title：British journal of sports medicine
pub_type： 杂志文章
doi：10.1136/bjsm.28.1.31
更新日期：1994-03-01 00:00:00
