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RISS 인기검색어
- 검색키워드
- 저자 : ( Kong Chuan TEH ) (검색결과 3 건)
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( Abdul Rashid Aziz ),( Teh Kong Chuan ) 한국스포츠정책과학원(구 한국스포츠개발원) 2004 International Journal of Applied Sports Sciences Vol.16 No.1
The 30 s Wingate cycling (cWG) test is a popular test of anaerobic capacity. The test is highly correlated with short, high-intensity performance but may have limitations when assessing intermittent-type activities. A reliable field-based test, the running Repeated Sprint Ability (rRSA) test, is deemed more sport-specific than cWG in determining anaerobic performance of multi-sprint sports athletes. This study examines the relationship of the performance indices of cWG and rRSA (8×40 m with 30 s rest in-between) tests in well-trained multi-sprint sports athletes. Twenty-six National-level male field hockey and soccer players took the cWG and rRSA tests on separate occasions in random order. There were only modest correlations between the cWGs mean power (relative) and rRSAs total sprinting time (r = -.46, p < .05) and between the two tests fatigue indicators (r = .46, p < .05). The findings of the low-shared variance among the performance variables between the two tests provided limited support for the use of the cWG for assessing the anaerobic performance capability of well-trained multi-sprint sport athletes.
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( Abdul Rashid AZIZ ),( Patrick O. L. GOH ),( Kong Chuan TEH ) 한국스포츠정책과학원(구 한국스포츠개발원) 2006 International Journal of Applied Sports Sciences Vol.18 No.1
The mushroom fungus lingzhi (Ganoderma lucidum) has been used for centuries as a traditional health tonic in the Far East. One of its reputed effects, albeit still unproven, is the ability to improve human physical performance. The purpose of this study was to assess the potential ergogenic effects of thirty days of standardized lingzhi extract supplementation on exercise performance. The study adopted a randomized, double-blind, placebo-controlled experimental design. Nineteen players from the men`s national field-hockey team were randomly divided into the experimental (LIN, n = 10) and control (CON, n = 9) groups. All players completed tests for percentage body fat, maximal oxygen uptake, 30 s anaerobic Wingate cycling, and hand-grip strength, at pre- and post-thirty days of supplementation. Throughout the 30 days, the LIN group consumed 440 mg lingzhi extract (dose equivalent to 1.5 g dry fruiting body) daily while the CON group was given an equivalent placebo. All players underwent a similar centralized training programme during the intervention period. There were no significant differences in the physical and performance parameters between the two groups, either at the pre-and post-supplementation stages. In conclusion, chronic daily supplementation days of 440 mg lingzhi extract for thirty-days did not enhance training related gains in the aerobic, anaerobic and strength parameters in well-trained field-hockey players.
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( Abdul Rashid Aziz ),( Eikman Teo ),( Benedict Tan ),( Kong Chuan Teh ) 한국스포츠정책과학원(구 한국스포츠개발원) 2003 International Journal of Applied Sports Sciences Vol.15 No.1
The purpose of this study was to gain insights into the physical demands of the sport of sepaktakraw and the physiological profiles of elite players. The temporal characteristics of matches (i.e. duration of rally, recovery, set and match) and physiological responses (i.e. heart rate (HR) and blood lactate [La]) of the players during matches were measured. Match duration ranged from 20.7 to 50.8 min. Mean duration of rallies and recovery between rallies were 5.5 and 9.8 s, where 73% of the rallies lasted < 6 s. [La] ranged from 1.2 to 8.8 mMo1·L(-1). These data suggested a dominant involvement of the anaerobic energy systems in sepaktakraw, in particular the alactic energy system. The mean HR of ~153 beats ·min(-1) indicated that the intensity of sepaktakraw match-play was moderate. National-level players (N = 22) were assessed for anthropometry, maximal oxygen uptake, anaerobic power and work capacity for 10 and 30 s, and vertical jump. There were no significant differences between the three positional roles (i.e. spikers, feeders and servers) in all the measures, except for height. Relative to elite athletes of other intermittent sports, the sepaktakraw player possessed excellent jumping power and ability to perform high-intensity anaerobic work, but lower aerobic fitness. The players` fitness attributes concurred well with their physiological responses and the temporal characteristics during match-play.
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