*1 Before WOLLMAN, Chief Judge, BEAM, Circuit Judge, and FRANK, [1] District Judge.
___________
WOLLMAN, Chief Judge.
Sheila J. Young appeals from the district court’s [2] order affirming the denial of her request for disability insurance benefits under Title II of the Social Security Act, 42 U.S.C. § 401 et seq. We affirm.
I.
Young was born on September 17, 1958. Her past relevant work is that of a
general duty nurse. Young filed for disability insurance benefits in October of 1994,
alleging that she could not work because of multiple sclerosis.
[3]
After her request was
denied initially and upon review, Young appealed to an administrative law judge (ALJ),
who evaluated her claim according to the five-step sequential analysis prescribed by
the social security regulations. See 20 C.F.R. §§ 404.1520(a)-(f); Bowen v. Yuckert,
The Appeals Council denied Young’s request for further review, making the ALJ’s decision the final decision of the Commissioner. Young then sought review in the district court pursuant to 42 U.S.C. § 405(g). The district court granted the Commissioner’s motion for summary judgment, finding that substantial evidence supported the Commissioner’s decision to deny Young disability benefits. For reversal, Young challenges the ALJ’s credibility findings, RFC assessment, formulation of the hypothetical, and conclusions regarding the availability of jobs in the national economy that Young could perform.
II.
Our role on review is to determine whether the Commissioner’s findings are
supported by substantial evidence on the record as a whole. See Prosch v. Apfel, 201
F.3d 1010, 1012 (8th Cir. 2000). Substantial evidence is relevant evidence that a
reasonable mind would accept as adequate to support the Commissioner’s conclusion.
See Craig v. Apfel,
Second, Young contends that the Commissioner did not establish by medical
evidence that Young possessed the RFC to work full-time in a competitive
environment. We disagree. The ALJ’s opinion thoroughly discussed Young’s medical
*5
treatment records from the relevant period before assessing her physical abilities. After
describing Young’s limitations, the ALJ noted medical reports showing that her
neurological status was essentially normal and that her May 1988 magnetic resonance
imaging test demonstrated no evidence of multiple sclerosis. We find it significant that
no physician who examined Young submitted a medical conclusion that she is disabled
and unable to perform any type of work. See Brown v. Chater,
Young’s third argument is that the hypothetical posed to the vocational expert
did not adequately describe her impairments during the relevant period. Our review of
the record, however, leads us to conclude that the hypothetical was supported by
substantial evidence. Young contends that the ALJ failed to include limitations related
to her bladder control problems and fatigue, but a hypothetical need only include
impairments that are supported by the record and which the ALJ accepts as valid. See
Prosch,
can be performed by a person with the claimant’s RFC and vocational skills. See Roth,
*6
We recognize that incontinence can in some circumstances be a serious disabling
condition. See Crowley v. Apfel,
Last, Young argues that the vocational expert (VE) contradicted himself by suggesting that Young was limited to sedentary work but then stating that she could perform several light nursing jobs. The VE acknowledged that several of the jobs he *7 recommended are classified in the Dictionary of Occupational Titles (DOT) as light jobs. However, he indicated that some of these positions as they exist in the national economy and locally could be performed at a sedentary level depending on the equipment and office setup.
Although the DOT generally controls, “[t]he DOT classifications may be
rebutted . . . with VE testimony which shows that ‘particular jobs, whether classified
as light or sedentary, may be ones that a claimant can perform.’” Montgomery v.
Chater,
The judgment is affirmed.
A true copy.
Attest:
CLERK, U.S. COURT OF APPEALS, EIGHTH CIRCUIT.
Notes
[1] The Honorable Donovan W. Frank, United States District Judge for the District of Minnesota, sitting by designation.
[2] The Honorable Charles R. Wolle, Chief Judge, United States District Court for the Southern District of Iowa.
[3] Multiple sclerosis is an autoimmune disorder in which the insulating sheath surrounding nerve fibers is destroyed and replaced by scar tissue, causing nerve communication to be disrupted. Symptoms, which vary widely from person to person and from stage to stage of the disease, include muscle weakness, numbness, fatigue, loss of balance, pain, and loss of bowel and bladder control. Most often the disease remits and relapses, but it may progress without remissions or with periodic plateaus or minimal improvements. No single test confirms a diagnosis, but magnetic resonance imaging can reveal the areas of scar tissue. See Sloane-Dorland Annotated Medical- Legal Dictionary 632-33 (1987), supp. at 470-71 (1992).
[4] For insured status (the Act’s “earnings requirement”), an individual must have 20 quarters of coverage in the 40-quarter period ending with the first quarter of disability. See 42 U.S.C. §§ 416(i)(3)(B), 423(c)(1)(B).
[5] The parties engage in a lengthy dispute over whether RFC is properly evaluated
at step four or step five, and over who bears the burden of demonstrating RFC. We
reiterate that RFC is determined at step four, where the burden of proof rests with the
claimant. See 20 C.F.R. §§ 404.1520(a),(e),(f); 404.1545-46; 404.1560-61; Bowen,
[6] Light work requires the ability to lift up to 20 pounds at a time, whereas sedentary work requires the ability to lift only 10 pounds. See 20 C.F.R. § 404.1567(a) & (b).
