Tagged Questions
2
votes
1answer
67 views
Why does yawning impair hearing?
When I yawn I can't hear anything happening around me. I also feel some kind of muscles inside my head contract and hear a faint hum, but it is not loud enough to explain not hearing other sounds. I ...
3
votes
1answer
208 views
Slow-oxidative fibres vs fast-glycotic fibres
Why do slow oxidative muscle fibres contain more mitochondria compared to fast-glycolytic muscle fibres?
3
votes
0answers
49 views
What controls the feeling of discomfort/comfort before and after sleep?
I'm interested in which biological systems or hormones are involved in the following phenomenon:
Before sleep it may be difficult to find a comfortable position, and muscular aches and pains are more ...
4
votes
2answers
155 views
Energy use by muscles, actual work done by muscles and more
Lately, I've started exercising in the gym and outside. I've also started to look at the details of food I eat.
Food usually has a label saying the amount of energy is inside it. For example, some ...
8
votes
2answers
216 views
Below which temperature human muscles don't work?
When one exposes theirs body parts to cold environment (especially foot and hands), they may be numb, with temporarily blocked both muscles.
What is typical body temperature below which human muscles ...
8
votes
1answer
418 views
Is there a correlation between muscle fibers and body types?
I have been told the number of muscle fibers a particular muscle has varies from person to person. Unfortunately, the person who told me this did not know much more than this. Initial searching on the ...