All activities begin in which energy pathway?

Explanation:

The oxidative pathway is a system that is aerobic, which means it can produce ATP by way of the Krebs cycle and electron transport chain. It is the only pathway that can use fat for energy. All activities, regardless of intensity or length, begin with the ATP/CP pathway.

take a break move to stretching and slowly work back into physically exercising if the problem continues go to a doctor or physical therapist

it may have problems procreating.