Answer:
Because they don't use a variety of muscles as much as they could by doing more sports so when they use the lesser used muscles, they could get hurt.
Explanation:
Neostimine or Prostigmine is a treatment for Ogilvie syndrome, Urinary retention if without blockage and for Myasthenia gravis. It is then use to increase acetycholine which is the answer that is located in nerve synapses.Myasthenia gravis is an autoimmune neuromuscular condition causing weakness in the skeletal muscles that is use for breathing and body part movements.
The effects of fatigue are not classified as learning because they are not permanent effects.
I believe it is 10 mins :)