Fact · Accessibility and health
32millimeters of mercury
In a 1981 study of 15 patients with carpal tunnel syndrome, the mean pressure inside the carpal canal was 32 millimeters of mercury with the wrist in neutral position.
Checked against its source on October 16, 2026
In the source's own words
“When the wrist was in neutral position, the mean pressure was thirty-two millimeters of mercury.”
The carpal tunnel syndrome. A study of carpal canal pressures, Richard H. Gelberman et al., Journal of Bone and Joint Surgery (American volume), 1981, Abstract.
Open the original- What it measures
- Investigators inserted a wick catheter into the carpal canal of 15 patients and 12 control subjects, and measured pressure with the wrist held in neutral, flexed and extended positions.
- What it does not show
- A small study from 1981. The wrist positions were held for measurement, so it does not show what happens during sleep.