Why do certain muscles spasm randomly when doing a simple task like just picking up a backpack that you’ve picked up before fine but after it feels really sore?

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I don’t know if it’s muscles I’m talking about or another part of the body – I can’t think of right now sorry. I went to pick up my work backpack the same as I do everyday, but yesterday and my shoulder more so like neck area completely spazed and it was a burn. I hate that feeling. Today my neck and shoulder are so sore why does the body do that? Is it the same as a Charlie horse??

In: Biology

3 Answers

Anonymous 0 Comments

You likely strained a muscle in your neck/back area (maybe trapezius).

Simple tasks can easily cause injury depending on many different factors such as body ergonomics (how appropriately your body is aligned and moving to safely accomplish the task you’re doing), weight of objects, muscles in use.

As the complexity/weight of an object increases, the importance of ergonomics also increases when moving it. For you, this repetitive action may have been normal, but your body didn’t like it (could have been jerking it up to your shoulder in a different way)….

Aaaaanyway, ice that neck down and don’t use that arm for yank up that backpack haha.

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