In endurance activities, hitting the wall is most likely due to ...

[eruditmonkey@yahoo.com]

In endurance activities, hitting the wall is most likely due to which one of the following?
  1.Build-up of lactate within muscles
  2.Lack of creatine phosphate
  3.Running out of fatty acids
  4.Running out of muscle glycogen

Question 2

Aerobic pathways use all of the following energy sources to make ATP EXCEPT:
  1.adipose tissue triglycerides.
  2.creatine phosphate.
  3.intramuscular triglycerides.
  4.muscle glycogen.

[Melissahxx]

Answer to Question 1

4

Answer to Question 2

2