Question

after how long does energy from the phosphagen system diminish?
○ a. 5 seconds
○ b. 10 seconds
○ c. 30 seconds
○ d. 1 minute

Explanation:

The phosphagen system (also known as the ATP - PCr system) provides energy for short - duration, high - intensity activities. It typically diminishes after about 10 seconds of intense activity.

Answer:

b. 10 seconds