They need to be careful and watch what they are doing
Red blood cells to carry oxygen
no but it affects how long you can last (before finishing) and length (if you are a guy)
Answer:
They can be symptomless and often go overlooked and untreated.
Explanation:
The statement that isometric exercise occurs when force is exerted against an object that does not move is true. Isometric and isotonic exercise are two types of strength training. During isotonic exercise on the other hand muscles exert force to move an object.