Steinbrocker's grade

Functional disability in rheuma

Grade I

Complete ability to carry out all the usual duties without handicaps

Grade II

Adequate for normal activities despite handicap of discomfort or limited motion of one of the joints

Grade III

Limited to little or none of the duties of usual occupation or self-care

Grade IV

Incapacitated, largely or wholly bed-ridden or chair-bound with little or no self-care


Casey AT, Bland JM, Crockard HA. Development of a functional scoring system for rheumatoid arthritis patients with cervical myelopathy. Ann. Rheum. Dis. 1996 Dec.;55(12):901-906.