context: How to understand the impact of carbohydrate loading
Know when to carbohydrate load.
For carbohydrate loading to have an impact, you must be doing an endurance activity lasting longer then 90 minutes. The muscles typically store enough energy for 60 to 90 minutes of activity.
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next sentence for the context: With carbohydrate loading you should have enough energy to last more than 90 minutes without fatigue. Understand how carbohydrate loading impacts performance.

context: She demonstrates the technique with his racquet. He then goes into a room, and plays a game of racquetball with a man. they
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next sentence for the context: hit the ball back and forth against the wall.

context: People are playing pool in a room. A man shoots at the ball and makes it into the pocket. people
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next sentence for the context: are standing behind him playing pool on another table.

context: There is a man sitting on the ground shining a shoe. He applies ointment to the shoe and resumes buffing the shoe. the customer
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moves his right foot down and places his left foot on the stand and the man starts polishing the shoe.