Want this question answered?
Overload.
fobea
Naturally, your blood pressure is higher when it is working harder as in running, body work, etc. High blood pressure can also be caused by stress, anger problems, etc. So the result is that your blood pressure is higher when working than at rest.
To work harder than your hardest involves you pushing yourself to the limit, working harder than you ever have before.
The hardest bone in your body is your thigh bone. Its stronger than concrete!
Gymnastics is a harder sport than football. It's your own definition of something.
Because our respiratory and circulatory systems are working harder than normal. Our blood is moving faster and our breaths our shorter thats why our lungs work harder
The progressive overload principle is all about working your body harder than what you would normaly would so that you are putting enough stress on the body to make improvements but its about finding the right intensity so that you do not sustain any injuries.
Impossible to say, not knowing the definition of plain regular rock. There are some rocks harder than obsidian, while many are softer.
No, the hardest bone in the body is the femur (thigh bone) which is harder than concrete. :)
Body locomotion faster than walking.
The progressive overload principle is all about working your body harder than what you would normaly would so that you are putting enough stress on the body to make improvements but its about finding the right intensity so that you do not sustain any injuries.