Overexertion during physical activity playing sports? when i was a teen and had been physically overexerting myself to the point where the back botom of my head, ear to ear, i guess that would be the base, close to where the neck begins i would feel like

Your : Your symptoms as a teen could have been due to a number of factors including dehydration, heat-related illness, or deconditioning with exhaustion. If you still get these symptoms with exercise (or at rest), you should see your doctor and prepare for an evaluation that looks at cardiovascular, neurologic, and metabolic abnormalities. If these symptoms eventually went away, i wouldn't lose too much sleep worrying.

See below: If you haven't recently i would go have a thorough history and physical exam. It sounds like the muscles in your neck or tight. Probably stretching them before and after your activities and alternating some moist heat and ice , careful not to burn yourself maybe helpful. Physiatrithat specializes in sports medicine or an orthopedic surgeon can give you some other recommendations good luck thank you.