When a concussion causes symptoms to show up later, there is a immediate and momentary "dazed and confused" sensation. We often can quickly regain focus from that momentary dazed and confused feeling. Some of us experience a metallic taste in our mouth, too.

The symptoms that ONLY show up later after a bump with no immediate symptoms are due to anxiety and maybe neck strain/trauma. People THINK themselves into symptoms.

"You also asked "If I or anybody said this could have been a concussion, what would you do about it?' For me, it is very important to know if this could have caused a concussion because I stress about it a lot to the point where I could even create/make symptoms worse. Since bumping my shoulder I have been experiencing headaches, pain in my neck on the same side as the shoulder bump, dizziness, trouble sleeping, and brain fog/problems with concentrating. I am not sure how much these symptoms are actually triggered by the bump to my shoulder and how much they are simply due to my stress response and my hyper-focus on my physical symptoms."

So, if somebody told you it was a concussion, that would cause you to stress out MORE. ???

NO, You do not need to know if a bump was a concussion. It serves NO beneficial purpose. 99+% of bumps are not concussions.

So, if it IS a concussion, what would you do besides stress about it?

When you have a bump, just get on with life. Bumps happen. DO NOT LOOK FOR SYMPTOMS. If you look for symptoms, YOU WILL ALWAYS FIND THEM. Your anxious mind will make up symptoms if you LOOK for symptoms. Your hyper-focus on physical symptoms is your enemy.

So, when a bump happens, tell yourself "That was just a bump." and move on.

It takes serious force to cause a concussion.

A cervical concussion is a strain to the joints between the cervical vertebra (C-1, C-2, C-3) and between C-1 and the skull (occiput / occipital joint) This is often called whiplash, especially when it involves the lower cervical joints. It strains muscles, tendons, and ligaments. That inflammation can disrupt blood flow and cause other symptoms.