Muscles twitching during non-workout activity
I've had periods in time where I'm just sitting in the office and all of the sudden one of triceps would start twitching like once per second or a bit more spread out. It doesn't hurt, but it's somewhat "annoying" cause it won't stop no matter what I do. I has happened to my triceps, my biceps, shoulders, and one of my legs. Not all together but those are the muscles were this has happened.
These "episodes" happen on a period at least 13 hours after my last workout. But I haven't found a relationship between the last workout and the muscle that twitches(If I do leg the day before, is not necessarily my leg that is twitching). Although they don't hurt, should I be concerned? Is it an intake deficit of something or just aftermath of previous workouts?
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What you describe is most likely a fasciculation (https://en.wikipedia.org/wiki/Fasciculation), commonly known as a "muscle twitch". This is usually benign, but there can be more severe underlying conditions causing this. I know giving medical advice would be frowned upon here (especially by someone without a medical background) but we can't really go running to the doctor for every minor thing that can possibly be a symptom of something more severe, or you wouldn't ever get out of his/her office. So unless this is taking severe forms, lasts for a really long time, starts presenting itself with other weird symptoms or starts interfering with quality of life it's probably not something to be worried about.
Electrolyte imbalances are often indicated as a possible culprit for muscle issues such as cramps, spasms and twitches. Especially magnesium is singled out as a possible cause for such twitching. You could try taking a magnesium supplement if you don't have any medical issues counter-indicating this. Regular supplement quantities of something like magnesium citrate are safe and it's an over-the-counter substance. Or you could go for dietary sources rich in magnesium, such as seeds and nuts, cocoa, chives and bananas. If it's a simple lack of magnesium this could solve it. I take a magnesium supplement daily in the evening as I find it helps sleep. My sleep went to crap when I was on a ketogenic diet, and I got heart palpitations; a lack of electrolytes such as sodium, potassium and magnesium was most likely at least partially to blame for that, since things improved with higher intake.
Also, if you happen to consume quite a bit of caffeine (could be in pre-workouts too) you might wanna cut back a bit.
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