Thank you so much you’re awesome!
Probaly the sinus bradycardia because that is slow heart rate .
Well generally it will be a positive impact (Of course this generally depends on what the "Physical activity" is, it is generally good, reason being while exercising causes the brain to release endorphin's, as well as helping relax muscles and relieve physical tension, which can greatly help with stress.
Answer:
torn muscle fibers
Explanation:
due to heavy exercise your muscle fibre start having small micro muscle tears
