To date, only one study has evaluated the effect of caffeine supplementation on athletic performance in ice hockey players finding a lack of ergogenic effect. This lack of effect is surprising as caffeine has been suggested to be an effective and safe nutritional supplement to improve physical performance in both trained and untrained individuals. Therefore, the aim of the present study is to evaluate the effect of acute caffeine ingestion (3mg/kg body mass). Thirteen elite adult ice-hockey male players will perform specific ice hockey performance tests in two separate days. On both occasions players will ingest 330 ml of water with lemon powertabs isostar® (86 kcal / 19g of carbohydrates) tablets, which will include in one of these days 3 mg/kg body mass of anhydrous caffeine. Players will perform a 35-m sprint, an agility test (Weave agility - slalom with puck), and a reaction test.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
13
Participants will ingest a drink with 3mg/kg of body weight mixed with carbohydrates
Participants will ingest the exact same drink without caffeine
Universidad de Zaragoza
Zaragoza, Spain
35m sprint time (Seconds)
Time that participants take to skate 35 meters. Data will be collected with photoelectric cells
Time frame: One day (one hour post caffeine consumption)
Agility test time (Seconds)
Time that participants take to perform an agility circuit. Data will be collected with photoelectric cells
Time frame: One day (one hour post caffeine consumption)
Reaction test time (seconds)
Time that participants take to complete a reaction test circuit. Data will be collected with photoelectric cells.
Time frame: One day (one hour post caffeine consumption)
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