[go: up one dir, main page]

Keegan, 1964 - Google Patents

The medical problem of lumbar spine flattening in automobile seats

Keegan, 1964

Document ID
11991176042940452212
Author
Keegan J
Publication year

External Links

Snippet

A scientific medical study of" Alterations of the Lumbar Curve Related to Posture and Seating" has shown that the cause of most postural lower back discomfort and pain when sitting is degeneration and posterior protrusion of lower lumbar intervertebral discs. Sitting at …
Continue reading at www.sae.org (other versions)

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/42—Support for the head or the back for the back of detachable or loose type
    • A47C7/425—Supplementary back-rests to be positioned on a back-rest or the like
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/14—Special medical insertions for shoes for flat-feet, club-feet, or the like
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/405—Support for the head or the back for the back with double backrests
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/022—Seat parts especially profiled for adaptation to body contour
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT OR ACCOMODATION FOR PATIENTS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C9/00—Stools for specified purposes
    • A47C9/002—Stools for specified purposes with exercising means or having special therapeutic or ergonomic effects
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/12—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats with shell-shape seat and back-rest unit, e.g. having arm rests

Similar Documents

Publication Publication Date Title
Floyd et al. Anatomical and physiological principles in chair and table design
Keegan Alterations of the lumbar curve related to posture and seating
Corlett et al. How does a backrest work?
Bridger Postural adaptations to a sloping chair and work surface
US5887951A (en) Orthopedic seating orthosis for correcting posture and restricting gluteal spreading
US3606464A (en) Chair
KR20140046443A (en) A seat
Keegan The medical problem of lumbar spine flattening in automobile seats
US4502170A (en) Physiologic support system and method
US20120112506A1 (en) Posture Trainer
US20220287463A1 (en) Seat and lumbar support cushion
US1917264A (en) Chair
US20050225140A1 (en) Seating arrangement
US3856349A (en) Portable vertebral column support
Li et al. Biomechanical evaluation of a novel wheelchair backrest for elderly people
KR200477364Y1 (en) Back cushion
US5833708A (en) Method for improved lumbar spine disc flexion
CN209595225U (en) A kind of adjustable multifunctional sitting posture retainer
Reed et al. Some effects of lumbar support contour on driver seated posture
US12239237B2 (en) Non-upholstered ergonomic seat with anatomical properties for maximum comfort
US4331361A (en) Posture chair back
Motavalli et al. Measurement of seating comfort
JP3246543U (en) Seat-type posture correction device and chair-type posture correction device
US20100078977A1 (en) Posture trainer
JP2000185063A (en) Posture correcting waist contact pillow