School of Sciences and Physical Education, University of Canterbury, Christchurch, New Zealand.
J Strength Cond Res. 2013 Feb;27(2):382-7. doi: 10.1519/JSC.0b013e31825922aa.
This study investigated whether performance enhancement from caffeine described by other researchers transfers to male basketball players. The effects of caffeine ingestion were studied in a maximal-effort test on a treadmill that was followed by a vertical-jump test. Five elite-level male basketball players completed a graded treadmill test that measured maximal oxygen uptake, blood lactate profiles, respiratory exchange ratio, and rating of perceived exertion at each 3-minute stage. After a 15-minute warm-down, the subjects performed 10 vertical rebound jumps. Each subject completed the test twice--once with a 3 mg·kg(-1) of body weight dose of caffeine and once with a placebo, with the dosage administered 60 minutes before commencement of exercise. The test was thus administered according to a double-blind protocol. No substantial trends were found between caffeine and control trials, regardless of trial order. The study showed that the specified dosage had negligible effects on the players' power and endurance performance and had no efficacy as an ergogenic aid for male basketball players.
本研究旨在探讨其他研究人员所描述的咖啡因对男性篮球运动员的表现提升是否具有可转移性。研究人员在跑步机上进行了最大努力测试，随后进行了垂直跳跃测试，以研究咖啡因摄入的效果。五位精英级别的男性篮球运动员完成了一项分级跑步机测试，该测试测量了最大摄氧量、血液乳酸水平、呼吸交换比和每 3 分钟阶段的感知用力程度。在 15 分钟的热身运动后，他们进行了 10 次垂直反弹跳跃。每位受试者都进行了两次测试，一次服用 3 毫克/千克体重的咖啡因剂量，一次服用安慰剂，剂量在运动前 60 分钟给予。因此，该测试按照双盲方案进行。无论试验顺序如何，都没有发现咖啡因和对照试验之间存在实质性的趋势。该研究表明，指定剂量对运动员的力量和耐力表现几乎没有影响，并且对男性篮球运动员没有作为一种增强体力的辅助剂的效果。
