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Rheumatoid Arthritis:  Deformity, Thumb
The thumb accounts for 60% of hand function. When thumb movement is limited by pain, instability, or deformity, hand function is greatly reduced. The rheumatoid arthritis thumb deformity shown here is characterized by metacarpophalangeal joint flexion and interphalangeal hyperextension. When marked, this deformity is commonly known as a 90/90. References: * Ruby LK, Cassidy C. Hand clinics: rheumatoid arthritis of the hand and wrist. Vol. 12. No. 3. Philadelphia: W.B. Saunders Company; 1996. * Harrell PB. Splinting of the hand. In: Wegener ST, Belza BL, Gall EP, editors. Clinical care in the rheumatic diseases. Atlanta: American College of Rheumatology; 1996. p. 83-8.
Photo Details
Title:
Rheumatoid Arthritis: Deformity, Thumb
Description:
The thumb accounts for 60% of hand function. When thumb movement is limited by pain, instability, or deformity, hand function is greatly reduced. The rheumatoid arthritis thumb deformity shown here is characterized by metacarpophalangeal joint flexion and interphalangeal hyperextension. When marked, this deformity is commonly known as a 90/90. References: * Ruby LK, Cassidy C. Hand clinics: rheumatoid arthritis of the hand and wrist. Vol. 12. No. 3. Philadelphia: W.B. Saunders Company; 1996. * Harrell PB. Splinting of the hand. In: Wegener ST, Belza BL, Gall EP, editors. Clinical care in the rheumatic diseases. Atlanta: American College of Rheumatology; 1996. p. 83-8.
Body Site:
Hand
Disease:
Rheumatoid Arthritis
Image Type:
Photograph
Image Reference #:
G054
File Name:
th_G054.jpg
Page Link:
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