An analysis of sitting areas and pressures of man.

Swearingen, J.J.; Wheelwright, C.D.; Garner, J.D.; Civil Aeromedical Research Institute. Aeronautical Center

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An analysis of sitting areas and pressures of man.

1962-01-01
By Swearingen, J.J. ; Wheelwright, C.D. ; Garner, J.D.

[PDF-330.31 KB]

English

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Details:

Creators:

Swearingen, J.J. ; Wheelwright, C.D. ; Garner, J.D.

Swearingen, J.J. ; Wheelwright, C.D. ; Garner, J.D. Less -
Corporate Creators:

Civil Aeromedical Research Institute. Aeronautical Center
Subject/TRT Terms:

[+]

Age Aircraft Accidents Airplanes--Seats Air Transportation Crashes Area Area Measurement Body Weight Bones Crash Injuries Flight Crews Force Force And Energy Harnesses Height Hip Hip Joint Human Subject Testing Inflammation Magnitude Passengers Pressure Seats Shoulder Harnesses Sitting Position Skeletal System Spinal Column Spine--Wounds And Injuries Stature Weight
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

Civil Aerospace Medical Institute
Abstract:

Studies of sitting area on a plane rigid surface for a group of 104 male subjects were made. Area was found to vary with height and weight and to increase with age up to 40 years after which there is a steady decline. Means were 179.4 sq. in. for area and .92 pounds/sq/ in. for average pressure. Sitting contact area was found to increase with experimentally applied force of magnitudes up to something less than the body weight. Analysis of pressure distribution in the sitting area reveals that nearly half of the body weight is supported on 8% of the sitting area. This high pressure area is under or adjacent to the ischial tuberosities. Over one-third of the body weight on the sitting area is removed by the addition of a footrest, chair arms, and slightly sloping seat back.
Format:

PDF
Funding:

AM 62-1 ; DOT/FAA/AM-62/1

AM 62-1 ; DOT/FAA/AM-62/1 Less -
Collection(s):

FAA Civil Aerospace Medical Institute US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:a2514d37e1bb17e6c950bdec9aabadc63b5ab23f792540109ccbfc0c97dc7f2f
Download URL:

https://rosap.ntl.bts.gov/view/dot/20680/dot_20680_DS1.pdf
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An analysis of sitting areas and pressures of man.

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