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Energy Sources of Muscular Work for Different types of Activities
PowerSpeedEndurance
Duration of Event0-3 sec 4-60 sec > 2 Min
Example of Event weightlifting, shot put, 40yd, dash 100 to 400-m sprint 1500-m run or more
Rate of Process immediate, very rapid rapid slow, prolonged
Storage Form ATP, creatine phosphate muscle glycogen and glucose muscle and liver glycogen, glucose; muscle, blood, and adipose (fat) tissue lipids; liver amino acids
Oxygen Involved No No Yes

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