Jeff LangmaidFounder, The Evidence Based Chiropractor

Your Posture Can Change CSF Flow by 58% — Here’s Why It Matters

27 Nov 2025 · 1 min

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Jeff Langmaid explains how posture changes cerebrospinal fluid flow in the spine. CSF flow at the C2 level drops nearly 58% when upright versus lying down. Patients with poor cervical alignment show more motion at the craniocervical junction, which may explain symptoms that imaging misses.

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CSF flow at the C2 level dropped by nearly 58% when upright compared to lying down.

Patients with kyphotic or imbalanced cervical alignment (compared to those with normal lordosis).

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Also regarding CSF flow, CSF flow at the C2 level dropped by nearly 58% when upright compared to lying down. And that means posture alone can change cerebrospinal fluid dynamics. Big, big deal. And patients with kyphotic or imbalanced cervical alignment showed significantly more motion at the craniocervical junction compared to those with normal lordosis. So, in plain English, when patients stand up and the spine behaves naturally, that that's different. And sometimes it's radically different. And those changes very well may explain why many patients have symptoms that don't line up with their quote, unquote, normal imaging.