Why Is Caffeine So Important for Working Out?
Caffeine stimulates the central nervous system by blocking adenosine, a neurotransmitter that normally causes a calming effect in the body. The resulting neural stimulation due to this blockage causes the adrenal glands to release adrenaline, the "fight or flight" hormone. Your heart rate increases, and it releases glucose into your blood stream for extra energy. Caffeine is going to extend your endurance, make you more powerful, and it will have an ergogenic effect on muscle.
Caffeine has been noted to increase the burning of bodyfat as fuel. Caffeine increases VO2 Max by 19%, work production by 7.4%, and 7.3% in maximum oxygen uptake. Caffeine has been shown to increase time to exhaustion by 18% and exercise intensity by 24%. It allows you to go longer and harder in the gym. It also raises the lactate threshold in relaton to workload, so that there is less build-up of lactic acid (a byproduct of exercise that sets in fatigue).
Caffeine also has direct effects on muscle contraction, and makes the work feel easier, possibly due to eh increased concentration and alertness that caffeine provides. Research reveals that caffeine increases the capacity for sustained intellectual effort and decreased reaction times. Caffeine has arousing effects and often changes one's habits of a drousy and sedentary person t an alert and active person.
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Date Published : 2011-05-31 15:20:43
Written By : Jaret Grossman
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