You need to talk to your doctor and see if what you are experiencing is normal. If not, adding stimulants or whatever may only mask and further cause health problems. I realize winning feels most important right now, but if it's at the expense of your health, it won't mean much later on.
Cycling, swimming, running are three exercises that will increase the heart beat, open up the lungs, and increase the endurance and stamina.
weight lifting arm Wrestling cycling tennis skiing
serotonin
cardiovascular =is pig muscular endurance = is cowWTF
You need to have strength and quick reflexes, you need stamina and endurance, agility...
Aerobic Exercise
Wrestling is a great example of an organized sport that has a lot of muscular endurance. A few of my friends that wrestle say that it is one of the most difficult, endurance requiring sports they have experienced.
do body weight work outs trust me
No
A technique employed by some endurance athletes to increase their storage of muscle glycogen is
Try more cardio and endurance based workout
To improve physical endurance, one should slowly begin to increase the frequency, length and effort put into physical activity and training. Increase training and focus on cardio.