As if you needed another reason to hate the gym, it now turns out that exercise can exhaust not only your muscles, but also your eyes
Fear not, however, for coffee can stimulate them again
During vigorous exercise, our muscles tire as they run out of fuel and build up waste products
Muscle performance can also be affected by a phenomenon called “central fatigue,” in which an imbalance in the body’s chemical messengers prevents the central nervous system from directing muscle movements effectively
whether central fatigue might also affect motor systems not directly involved in the exercise itself
researchers gave 11 volunteer cyclists a carbohydrate solution either with a moderate dose of caffeine,which is known to stimulate the central nervous system,or as a placebo without
The team found that exercise reduced the speed of rapid eye movements by about 8%.
The caffeine,the equivalent of two strong cups of coffee