Abstract:
:This study examined the time course of adaptions in insulin sensitivity (IS) in adolescent boys after acute high-intensity interval exercise (HIIE) and moderate-intensity exercise (MIE). Eight boys (15.1±0.4 y) completed three 3-day experimental trials in a randomised order: 1) 8×1 min cycling at 90% peak power with 75 s recovery (HIIE); 2) cycling at 90% of gas exchange threshold for a duration to match work during HIIE (MIE); and 3) rest (CON). Plasma [glucose] and [insulin] were measured before (PRE-Ex), 24 and 48 h post (24 h-POST, 48 h-POST) in a fasted state, and 40 min (POST-Ex) and 24 h (24 h-POST) post in response to an oral glucose tolerance test (OGTT). IS was estimated using the Cederholm (OGTT) and HOMA (fasted) indices. There was no change to HOMA at 24 h or 48 h-POST (all P>0.05). IS from the OGTT was higher POST-EX for HIIE compared to CON (17.4%, P=0.010, ES=1.06), and a non-significant increase in IS after MIE compared to CON (9.0%, P=0.14, ES=0.59). At 24 h-POST, IS was higher following both HIIE and MIE compared to CON (HIIE: P=0.019, 13.2%, ES=0.88; MIE: 9.7%, P=0.024, ES=0.65). In conclusion, improvements to IS after a single bout of HIIE and MIE persist up to 24 h after exercise when assessed by OGTT.
journal_name
Int J Sports Medjournal_title
International journal of sports medicineauthors
Cockcroft EJ,Williams CA,Weaver H,O'Connor A,Jackman SR,Armstrong N,Barker ARdoi
10.1055/s-0043-118007subject
Has Abstractpub_date
2017-11-01 00:00:00pages
967-974issue
13eissn
0172-4622issn
1439-3964journal_volume
38pub_type
杂志文章,随机对照试验abstract::As of 2017, the international football federation introduced the change of direction ability test (CODA) and the 5×30 m sprint test for assistant referees (ARs) and continued the 6×40 m sprint test for field referees (FRs) as mandatory tests. The aim of this study was to evaluate the association between performance in...
journal_title:International journal of sports medicine
pub_type: 杂志文章
doi:10.1055/a-0577-4073
更新日期:2018-07-01 00:00:00
abstract::During the world junior speed skating championship 2002 all athletes (60 males, 56 females) were subjected to hematologic blood testing one day before the competition as requested by International Skating Union--ISU. This study aimed to obtain hematological reference values for junior athletes, whilst the influence of...
journal_title:International journal of sports medicine
pub_type: 杂志文章
doi:10.1055/s-2005-865676
更新日期:2006-04-01 00:00:00
abstract::Based on the importance of exercise and crucial role of liver in metabolism, the aim of this study was to determine whether the expression of peroxisome proliferator-activated receptor (PPAR)-α, γ and adiponectin receptor 2 in OLETF rat liver were altered in conjunction with improved metabolism with exercise training....
journal_title:International journal of sports medicine
pub_type: 杂志文章
doi:10.1055/s-0031-1271755
更新日期:2011-08-01 00:00:00
abstract::The ActiPed (FitLinxx) is a uniaxial accelerometer, which objectively measures physical activity, uploads the data wirelessly to a website, allowing participants and researchers to view activity levels remotely. The aim was to validate ActiPed's step count, distance travelled and activity time against direct observati...
journal_title:International journal of sports medicine
pub_type: 杂志文章
doi:10.1055/s-0032-1323723
更新日期:2013-05-01 00:00:00
abstract::During the period 1975-1981, 221 persons were treated conservatively at Tampere University Central Hospital for an acute knee ligament injury. A total of 194 patients (88%) were reexamined 8 +/- 3 years after the injury. In the clinical and radiological results, there were no significant differences between competitiv...
journal_title:International journal of sports medicine
pub_type: 杂志文章
doi:10.1055/s-2008-1025682
更新日期:1987-10-01 00:00:00
abstract::Training effects on peak oxygen consumption (VO2), specific to the mode of movement, are well-known in exercise training of young, healthy adults. However, these specific training effects were never studied in patients with coronary artery disease, but may be important in the evaluation of training effects of cardiac ...
journal_title:International journal of sports medicine
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1055/s-2007-971930
更新日期:1998-07-01 00:00:00
abstract::A field test for the determination of anaerobic threshold (AT) based on the relationship between work intensity and heart rate was previously developed in adult runners (4) and then applied in various sports activities (3, 5, 9). In the current study the same relationship between running speed (S) and heart rate (HR) ...
journal_title:International journal of sports medicine
pub_type: 杂志文章
doi:10.1055/s-2007-1024924
更新日期:1989-10-01 00:00:00
abstract::Since the introduction of blood analysis performed before major cycling events in 1997, there have been discussions concerning the quality of the results. The aim of our study therefore was to measure blood samples and compare the results obtained on the field with those obtained in the laboratory. For this it was nec...
journal_title:International journal of sports medicine
pub_type: 杂志文章
doi:10.1055/s-2004-830495
更新日期:2005-04-01 00:00:00
abstract::The study aimed to verify possible associations between game-play running performance and outcomes derived from fitness (running) tests in female futsal players. Sixteen women professional elite futsal players from a 1st division league team (19.2±2 years-old, 4.3±2.1 years of experience) participated. Firstly, a grad...
journal_title:International journal of sports medicine
pub_type: 杂志文章
doi:10.1055/a-1202-1496
更新日期:2021-01-01 00:00:00
abstract::To determine the effects of aerobic fitness on pregnancy and the newborn, 20 primigravid subjects were studied throughout gestation and immediately postpartum. The subjects were classified as trained (T = 10) or untrained (UT = 10) based on the heart rate response to submaximal cycle ergometry testing done in each tri...
journal_title:International journal of sports medicine
pub_type: 杂志文章
doi:10.1055/s-2008-1025645
更新日期:1987-04-01 00:00:00
abstract::Hypertension is not uncommon in childhood and adolescence; vascular and renal causes predominate. Non-pharmacologic therapy, including exercise, may lower blood pressure (BP). There are several articles relating to the use of exercise as a therapy for high BP. Most of these show a beneficial effect. The "dose" of exer...
journal_title:International journal of sports medicine
pub_type: 杂志文章,评审
doi:10.1055/s-2000-8497
更新日期:2000-11-01 00:00:00
abstract::The aim of the present study was to evaluate a heart transplanted patient who ran a 20-km race 9 months after surgery. Thirty-six healthy male subjects were studied during the same run and served as control group. Biochemical variables were determined in blood and urine samples collected before and after the race. Pos...
journal_title:International journal of sports medicine
pub_type: 杂志文章
doi:10.1055/s-2008-1025867
更新日期:1985-12-01 00:00:00
abstract::In the last decade the study of the human muscle mechanics and energetics in physiology and pathology underwent a radical change. Indeed, the use of biopsy is being progressively accompanied by non-invasive techniques which allow a more integrative assessment of muscle function in vivo. Magnetic resonance imaging (MRI...
journal_title:International journal of sports medicine
pub_type: 杂志文章,评审
doi:10.1055/s-2007-972724
更新日期:1997-10-01 00:00:00
abstract::Three different procedures to analyse fencing performances were tested. The test subjects were ten world class epée fencers from the Swedish national team. The procedures involved measurements of reaction time and response time to different stimuli. Test 1 measured the lunging performance as a response to a light. Tes...
journal_title:International journal of sports medicine
pub_type: 杂志文章
doi:10.1055/s-2007-1024736
更新日期:1991-12-01 00:00:00
abstract::Plantar fascial disorder is comprised of plantar fasciitis and plantar fibromatosis. Plantar fasciitis is the most common cause of heel pain, especially for athletes involved in running and jumping sports. Plantar fibromatosis is a rare fibrous hyperproliferation of the deep connective tissue of the foot. To identify ...
journal_title:International journal of sports medicine
pub_type: 杂志文章,meta分析
doi:10.1055/s-0044-100280
更新日期:2018-04-01 00:00:00
abstract::Blood pressure (BP) assessment during resistance exercise can be useful to avoid high BP, reducing cardiovascular risk, especially in hypertensive individuals. However, non-invasive accurate technique for this purpose is not available. The aim of this study was to compare finger photoplethysmographic (FPP) and intra-a...
journal_title:International journal of sports medicine
pub_type: 杂志文章
doi:10.1055/s-0030-1252054
更新日期:2010-08-01 00:00:00
abstract::The aims of this pilot study were to investigate how a novel sagittal plane kinematic measurement - the lower extremity contact angle (LECA) - relates to the landing dynamics of elite male volleyball athletes with and without patellar tendinopathy. The LECA was defined as the angle between the ground and the line conn...
journal_title:International journal of sports medicine
pub_type: 杂志文章
doi:10.1055/s-0034-1395586
更新日期:2015-05-01 00:00:00
abstract::One hundred fourteen subjects (34 +/- 8 years) without any competition background took part in an endurance training study to be completed after 1.5 years with running a marathon. Ultimately, 60 males and 18 females achieved that goal. The training program, carefully supervised, was divided into three phases with a ma...
journal_title:International journal of sports medicine
pub_type: 临床试验,杂志文章
doi:10.1055/s-2007-1024960
更新日期:1989-10-01 00:00:00
abstract::This study examined the effects of a pre-experimental period of arm exercise followed by a 24-h carbohydrate (CHO)-poor intake, intended to reduce initial hepatic glycogen levels, on substrate and endocrine responses during prolonged CHO-loaded leg exercise. Seven subjects pedaled a cycle ergometer for 60 min at 62% V...
journal_title:International journal of sports medicine
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1055/s-2008-1025897
更新日期:1984-06-01 00:00:00
abstract:UNLABELLED:Often blood screening is repeatedly done in elite athletes although training and competition can affect its results and normal ranges for highly active individuals are widely unknown. This study was conducted to provide reference data in professional soccer players. 467 male soccer players of the 2 highest G...
journal_title:International journal of sports medicine
pub_type: 临床试验,杂志文章
doi:10.1055/s-0031-1280776
更新日期:2011-11-01 00:00:00
abstract::The purpose of this study was to examine whether mental fatigue influences the perceived effort required to complete fairly light and hard effort self-paced exercise challenges. 12 participants completed 2 trials in a randomised cross-over design. Each participant was required to complete a time-matched pre-exercise t...
journal_title:International journal of sports medicine
pub_type: 杂志文章,随机对照试验
doi:10.1055/s-0033-1343402
更新日期:2013-12-01 00:00:00
abstract:PURPOSE:The modified Dmax method can accurately determine the second lactate threshold (LT2), which is valuable for predicting aerobic performance and prescribing exercise. The purpose of this study is to determine if the modified Dmax method can accurately find thresholds in VE (VT2), VCO2 (VCO2T), RER (RERT), and RR ...
journal_title:International journal of sports medicine
pub_type: 杂志文章
doi:10.1055/s-0043-125448
更新日期:2018-04-01 00:00:00
abstract::The principal aim of our study was the determination of the effectiveness of a standardized ratio, allometric scaling model and a gamma function model in normalizing the isometric torque data of spinal cord patients and healthy subjects. For this purpose we studied a sample of 21 healthy males and 23 spinal cord injur...
journal_title:International journal of sports medicine
pub_type: 杂志文章
doi:10.1055/s-0032-1301889
更新日期:2012-06-01 00:00:00
abstract::The aim of this study was to test the validity and the reliability of the G-Cog which is a new BMX powermeter allowing for the measurements of the acceleration on X-Y-Z axis (250 Hz) at the BMX rear wheel. These measurements allow computing lateral, angular, linear acceleration, angular, linear velocity and the distan...
journal_title:International journal of sports medicine
pub_type: 杂志文章,随机对照试验
doi:10.1055/s-0032-1304639
更新日期:2013-11-01 00:00:00
abstract::This study compared acute responses of systolic and diastolic blood pressure (SBP/DBP), cardiac output (Q), heart rate (HR), stroke volume (SV), total peripheral resistance (TPR) and rate of perceived exertion (RPE) during resistance exercise performed continuously and discontinuously. Hemodynamic responses and RPE we...
journal_title:International journal of sports medicine
pub_type: 杂志文章
doi:10.1055/s-0035-1549957
更新日期:2015-11-01 00:00:00
abstract::As golf grows in popularity, golf related injuries have increased. The purpose of this study was to calculate and compare upper body kinematics of healthy male golfers from different skill levels. Kinematic data were obtained from 18 professional, 18 low handicap, 18 mid handicap and 18 high handicap golfers with an o...
journal_title:International journal of sports medicine
pub_type: 杂志文章
doi:10.1055/s-2007-989229
更新日期:2008-06-01 00:00:00
abstract::The magnitude and pattern of the hematocrit (Hct), hemoglobin (Hb), and plasma volume (PV) responses during and upon recovery from two resistance training protocols based on either a ten-repetition maximum (10 RM) or five-repetition maximum (5 RM) resistance was examined. Twelve college-aged male resistance exercise t...
journal_title:International journal of sports medicine
pub_type: 杂志文章
doi:10.1055/s-2007-965108
更新日期:2008-02-01 00:00:00
abstract::Climbing Mount Everest needs an acclimatization period of 3 to 4 weeks between 3000 and 6000 m. In order to reduce this period of time spent in dangerous conditions, an experience of pre-acclimatization was performed with 5 elite alpinists (4 male, 1 female), aged 30 +/- 4 yrs (mean +/- SD), before their attempt to cl...
journal_title:International journal of sports medicine
pub_type: 杂志文章
doi:10.1055/s-2007-1024644
更新日期:1992-10-01 00:00:00
abstract::The goal of this study was to examine the hypothesis that the difference in the 200-m sprint performance of amputee and able-bodied sprinters is due to a shorter step length rather than a lower step frequency. Men's elite-level 200-m races with a total of 16 able-bodied, 13 unilateral transtibial, 5 bilateral transtib...
journal_title:International journal of sports medicine
pub_type: 杂志文章
doi:10.1055/s-0035-1564171
更新日期:2016-02-01 00:00:00
abstract::The study was performed on healthy volunteers subjected to submaximal physical exercise (75% VO2max). Activities of catalase (CT) (EC 1.11.1.6), glutathione peroxidase (GPO) (EC 1.11.1.9), superoxide dismutase (ZnCu-SOD) (EC 1.15.1.1) and malonyldialdehyde (MDA) concentration in blood platelets before and after physic...
journal_title:International journal of sports medicine
pub_type: 杂志文章
doi:10.1055/s-2007-1024655
更新日期:1991-02-01 00:00:00