Medicine
Linear Acceleration in Concussion
Quick fact
Concussions often result from linear acceleration forces exceeding 20g—enough to damage brain tissue.
Why this is interesting
Did you know that a simple fall can cause a brain injury? It's not the fall itself, but how fast your head stops moving that matters.
Read the full explanation
Understanding Linear Acceleration in Concussion
When your head experiences sudden movement or impact, it causes rapid changes in velocity. This force pushes the brain inside the skull, potentially leading to bruising or swelling. Linear acceleration is one of the key physical factors involved in concussions.
A deeper explanation
Linear acceleration occurs when an object (like the head) changes its speed rapidly in a straight line. In the case of a concussion, this force can cause the brain to move within the skull, leading to cellular damage and disruption of normal brain function. The severity depends on how fast the movement happens, not just the force itself.