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10
votes
7answers
37k views

How does Voodoo Floss work?

Voodoo Floss is a new(?) trend in CrossFit that basically involves, if I understand it correctly, wrapping a muscle group or joint very tightly in a thing called a voodoo band while stretching or ...
4
votes
2answers
105 views

Relation of physical fitness and age

Why does the physical fitness tend to decline around the age of 30-35? It is obvious that many athletes(football, sprint etc.) tend to stagnate and 'lose' the physical fitness regarding speed, stamina ...
2
votes
2answers
128 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
1answer
63 views

Should cows milk be avoided during periods of heavy exertion?

Assuming you are not lactose intolerant, does milk have any specific negative effects on you during heavy exertion? We're not talking about milk calories or fat related to weight loss. Does milk ...
2
votes
2answers
140 views

Is there a physiological reason why male to female transsexuals can't compete in women's weightlifting?

Let's assume the following for a moment: a person grows up as a man, with the matching hormonal profile for his first 20 years that person then decides to undergo hormone replacement therapy (HRT) ...
2
votes
1answer
84 views

When are the physical benefits of a single workout realized?

When does your body actually build muscle in response to fatigue from a workout? For example, if you slam your arms in one work out ( say any combination of, curls, pullups, pushups, bench press, ...
1
vote
2answers
115 views

Is there a connection between general fitness/workout gain and body hair?

It might be a silly question but something that have been bugging me for many years now. Pretty much all male athletes (regardless of their discipline) look pretty much like newborn babies with the ...
1
vote
1answer
65 views

Mechanism and recovery of lower back pain?

I normally recover from lower back pain just going to run. It results from studying too much and sitting - skipping gym and sport during exam weeks. It alleviates normally after one hour running. ...
1
vote
1answer
32 views

When a muscle can flex so tight it's painful, is anything wrong?

As I train various muscle groups, I've noticed that I cannot flex a few of them the way I would biceps or quads. The flex becomes painfully tight verging on a muscle cramp before I finish the range of ...
0
votes
0answers
11 views

Program or Application that allows a user to view the physiology of stretched muscles

I apologize if this is offtopic or not straightforward enough as it is my first question on stackexchange. I was wondering if there existed a program/application/website/media that allows for one to ...
0
votes
0answers
29 views

Why inguinal area painful after abdominal training?

I am not sure what is this area exactly called but the pain seem to be radiating like to an area when on supine position, not when sitting or standing. The area recovers fast. I would like to ...