How to safely and effectively build muscle, whether for looks or for strength. Also, how muscles work physiologically.

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Muscles shake irregularly during workout?

I've been working out for a while now and I realized that my muscles shake whenever I lift weight. It doesn't seem like it's because of the weight. I could halve the weight on a bench press bar and ...
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1answer
36 views

Locking of the jaw during workout related stress

The sympathetic nervous system (SNS) is involved in energy expenditure as it drives the body to respond to stress. So when one is lifting weight or doing a pullup or pushup and is about to finish the ...
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What type of exercise will cause growth retardation on my body.?

I like to workout a lot(once two hours a day) for a whole week and people keep warning me on my height and growth because I'm 17. Which exercise will cause growth retardation and height loss on my ...
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0answers
119 views

Fast-twitch hand muscle exercises?

A friend who spent some time in the military told me about a silent language in which the hands are signed in short, rapid bursts. Really, really rapid bursts, actually. I've seen videos of both wing ...
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34 views

Is stretching more difficult once the muscle mass is bigger?

I was wondering if, assuming one gains lots of muscle while not stretching regularly, the process of stretching is more difficult or at least more painful after. This isn't about the benefits of ...