That's normal, and it usually costs less than it feels. Try this: say your next job and go and do it. Breathe out hard as you turn, say your job word, like "line", and sprint there. Rehearse it at training.
Example answer. Real answers fit your position, your age and your week.
Theo is an AI coach, not a person. Not a doctor or physio: for pain or any knock to the head, stop and see one. Under 16? A parent says yes first.