2
votes
2answers
82 views

Is the muscle pump after exercise due to increased cellular Na (due to reduced ATP availability)?

Cellular hypoxia leads to reduced ATP, resulting in Na/K ATPase down regulation reducing the activity of the Na/K pump. (edit removed the original link since I'm limited to two links in a question ...
2
votes
2answers
93 views

Muscle size reduction sans loss

I'm in a rather weird situation here. I've been doing weights for about a year; it's been going well due to a good trainer (my brother), good attitude and suchlike. I've been able to keep going 4 days ...
15
votes
1answer
1k views

How is muscle repair affected by a caloric deficit?

Background Weightlifting creates micro-tears in the muscle. Protein and other nutrients repair the tears so the muscle grows back stronger and larger. Question How is muscle repair affected by a ...
1
vote
1answer
632 views

Do muscles discriminate against the type of micro-tear?

Weightlifting creates micro-tears in the muscles. When these micro-tears repair, the muscle grows back bigger. Does this same principle apply to tears caused by other means? For example, if you create ...