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2.5millimeters of mercury

In the 1981 study, control subjects without carpal tunnel syndrome had a mean carpal canal pressure of 2.5 millimeters of mercury with the wrist in neutral position.

Checked against its source on October 16, 2026

In the source's own words

“The pressure in the control subjects with the wrist in neutral position was 2.5 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.

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What it measures
Twelve control subjects were measured in the same wrist positions as the patients.
What it does not show
A small 1981 study with 12 control subjects. The gap between patients and controls is the finding; the exact numbers come from a small sample.

Source

Cited on

Carpal canal pressure in people without the condition: 2.5 mm Hg | Yap