HILL, Circuit Judge.
Appellant appeals the denial of his claim for Social Security disability benefits. Specifically, he claims the Secretary erred in failing to properly apply the listing for ischemic heart disease set forth in 20 C.F.R. Part 404, Subpart P, Appendix 1, section 4.04 (“the listings”) and in the use of the medical-vocation guidelines, 20 C.F.R. Part 404, Subpart P, Appendix 2, (“the grids”), to find him not disabled. Appellant also disputes the district court’s finding on remand that appellant’s proffer did not constitute substantial evidence of a lesser ability to adapt to a new work environment than that presumed by the grids for a person of his age.
FACTS
Appellant James A. Hutchison was born on July 25, 1927 and was 53 years old at the time he suffered a myocardial infarction in March of 1981. On June 17, 1981, appellant filed an application for disability insurance benefits. The Social Security Administration subsequently determined that appellant was not disabled and affirmed this determination upon a request for reconsideration. Appellant requested a hearing to review the denial of his claim. At this hearing, conducted on October 15, 1981, results from a coronary catheterization and subsequent electrocardiograms were introduced which indicated that appellant suffered from a complete right bundle branch block, occasional premature ventricular contractions of the heart, and several coronary arteries occluded to varying degrees. Appellant testified he had a seventh grade education, had worked as a truck driver for 28 years, and had last worked on March 19, 1981. He further testified that he continues to experience chest pain and doctors had advised him to retire from his job because of his medical condition. On February 22, 1982, the Administrative Law Judge issued his decision ruling that appellant was not entitled to disability benefits.
After the Appeals Council denied a request for review, appellant challenged the Secretary’s decision before the district court, which upheld the Secretary’s decision. On appeal to this court, we granted the Secretary’s motion to remand to the district court for proceedings pursuant to Reeves v. Heckler, 734 F.2d 519 (11th Cir. 1984). Appellant subsequently made a Reeves proffer to the district court along with a motion to have the case remanded to the Secretary. The district court found that appellant’s proffer did not constitute substantial evidence of a lesser ability to adapt to a new work environment than that presumed by the grids for a person of his [1463]*1463age and denied appellant’s motion, appeal followed. This
DISCUSSION
20 C.F.R. § 404.1520 (1985) provides for a sequential evaluation process to determine whether a claimant is entitled to Social Security disability benefits. The Secretary employs the following step-by-step analysis in evaluating a claimant’s disability claims: (1) whether the claimant is engaged in gainful employment; (2) whether claimant suffers from a severe impairment which has lasted or can be expected to last for a continuous period of at least twelve months; (3) whether claimant suffers from any of the impairments set forth in the listings of impairments provided in Appendix 1; (4) whether the impairments prevent claimant from returning to his previous work; and (5) whether claimant is disabled in light of age, education, and residual functional capacity. Ambers v. Heckler, 736 F.2d 1467, 1470-71 (11th Cir.1984). Should a person be determined disabled or not disabled at any stage of the above analysis, further inquiry pursuant to the analysis ceases. Accordingly, if a claimant’s condition meets an impairment set forth in the listings, the claimant is adjudged disabled without considering age, education, and work experience. 20 C.F.R. § 404.1520(d).
In the present action appellant contends that the AU did not properly consider whether appellant met any of the impairments listed in Appendix 1 and that this failure to follow the sequential analysis set forth in 20 C.F.R. § 404.1520 constitutes harmful error. We find, however, that while the AU did not explicitly state that the appellant’s impairments were not contained in the listings, such a determination was implicit in the AU’s decision. The AU was obviously familiar with the sequential evaluation process. His statement of the relevant law recognized that an affirmative determination regarding the applicability of any Appendix 1 listing, the third step of the disability analysis, would require a determination that the appellant was disabled. Yet the record indicates that the AU reached the final two steps of the analysis when he determined that the appellant was unable to perform his past work and that he did have the residual capacity for at least light work. While Appendix 1 must be considered in making a disability determination, it is not required that the Secretary mechanically recite the evidence leading to her determination. There may be an implied finding that a claimant does not meet a listing. Edwards v. Heckler, 736 F.2d 625, 629 (11th Cir. 1984). We thus consider it clear that the AU, in reaching the fourth and fifth steps of the disability analysis, implicitly found that appellant did not meet any of the Appendix 1 impairments.
Appellant alternatively asserts that even if the Secretary properly addressed and impliedly found that appellant did not meet any of the listings, there does not exist sufficient evidence to support such a finding. The proper standard in reviewing the Secretary’s findings of fact is whether there is substantial evidence to support those findings and inferences. Simpson v. Schweiker, 691 F.2d 966, 969 (11th Cir. 1982). In undertaking this review, we observe initially that the applicable Appendix 1 listings vary according to whether the results of an acceptable treadmill test are available. We conclude that the results of the treadmill stress test performed on appellant and considered by the AU were acceptable within the meaning of the Secretary’s regulations, as set forth in section 4.00(F) and (G) of Appendix 1, and thus the applicable listings are those found in sec: tion 4.04(A).
As support for our conclusion, we note that the record contains clear legible copies of the test performed, appropriately labeled with appellant’s name and the date of the test. The copies indicate the end of each of the three stages of Bruce/Protocol attained, when appellant was standing and hyperventilating, that the test was terminated after nine minutes, and the appellant’s status at 12, 14, 15, 18, 21, and 22 minutes. Further, examination of appro[1464]
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HILL, Circuit Judge.
Appellant appeals the denial of his claim for Social Security disability benefits. Specifically, he claims the Secretary erred in failing to properly apply the listing for ischemic heart disease set forth in 20 C.F.R. Part 404, Subpart P, Appendix 1, section 4.04 (“the listings”) and in the use of the medical-vocation guidelines, 20 C.F.R. Part 404, Subpart P, Appendix 2, (“the grids”), to find him not disabled. Appellant also disputes the district court’s finding on remand that appellant’s proffer did not constitute substantial evidence of a lesser ability to adapt to a new work environment than that presumed by the grids for a person of his age.
FACTS
Appellant James A. Hutchison was born on July 25, 1927 and was 53 years old at the time he suffered a myocardial infarction in March of 1981. On June 17, 1981, appellant filed an application for disability insurance benefits. The Social Security Administration subsequently determined that appellant was not disabled and affirmed this determination upon a request for reconsideration. Appellant requested a hearing to review the denial of his claim. At this hearing, conducted on October 15, 1981, results from a coronary catheterization and subsequent electrocardiograms were introduced which indicated that appellant suffered from a complete right bundle branch block, occasional premature ventricular contractions of the heart, and several coronary arteries occluded to varying degrees. Appellant testified he had a seventh grade education, had worked as a truck driver for 28 years, and had last worked on March 19, 1981. He further testified that he continues to experience chest pain and doctors had advised him to retire from his job because of his medical condition. On February 22, 1982, the Administrative Law Judge issued his decision ruling that appellant was not entitled to disability benefits.
After the Appeals Council denied a request for review, appellant challenged the Secretary’s decision before the district court, which upheld the Secretary’s decision. On appeal to this court, we granted the Secretary’s motion to remand to the district court for proceedings pursuant to Reeves v. Heckler, 734 F.2d 519 (11th Cir. 1984). Appellant subsequently made a Reeves proffer to the district court along with a motion to have the case remanded to the Secretary. The district court found that appellant’s proffer did not constitute substantial evidence of a lesser ability to adapt to a new work environment than that presumed by the grids for a person of his [1463]*1463age and denied appellant’s motion, appeal followed. This
DISCUSSION
20 C.F.R. § 404.1520 (1985) provides for a sequential evaluation process to determine whether a claimant is entitled to Social Security disability benefits. The Secretary employs the following step-by-step analysis in evaluating a claimant’s disability claims: (1) whether the claimant is engaged in gainful employment; (2) whether claimant suffers from a severe impairment which has lasted or can be expected to last for a continuous period of at least twelve months; (3) whether claimant suffers from any of the impairments set forth in the listings of impairments provided in Appendix 1; (4) whether the impairments prevent claimant from returning to his previous work; and (5) whether claimant is disabled in light of age, education, and residual functional capacity. Ambers v. Heckler, 736 F.2d 1467, 1470-71 (11th Cir.1984). Should a person be determined disabled or not disabled at any stage of the above analysis, further inquiry pursuant to the analysis ceases. Accordingly, if a claimant’s condition meets an impairment set forth in the listings, the claimant is adjudged disabled without considering age, education, and work experience. 20 C.F.R. § 404.1520(d).
In the present action appellant contends that the AU did not properly consider whether appellant met any of the impairments listed in Appendix 1 and that this failure to follow the sequential analysis set forth in 20 C.F.R. § 404.1520 constitutes harmful error. We find, however, that while the AU did not explicitly state that the appellant’s impairments were not contained in the listings, such a determination was implicit in the AU’s decision. The AU was obviously familiar with the sequential evaluation process. His statement of the relevant law recognized that an affirmative determination regarding the applicability of any Appendix 1 listing, the third step of the disability analysis, would require a determination that the appellant was disabled. Yet the record indicates that the AU reached the final two steps of the analysis when he determined that the appellant was unable to perform his past work and that he did have the residual capacity for at least light work. While Appendix 1 must be considered in making a disability determination, it is not required that the Secretary mechanically recite the evidence leading to her determination. There may be an implied finding that a claimant does not meet a listing. Edwards v. Heckler, 736 F.2d 625, 629 (11th Cir. 1984). We thus consider it clear that the AU, in reaching the fourth and fifth steps of the disability analysis, implicitly found that appellant did not meet any of the Appendix 1 impairments.
Appellant alternatively asserts that even if the Secretary properly addressed and impliedly found that appellant did not meet any of the listings, there does not exist sufficient evidence to support such a finding. The proper standard in reviewing the Secretary’s findings of fact is whether there is substantial evidence to support those findings and inferences. Simpson v. Schweiker, 691 F.2d 966, 969 (11th Cir. 1982). In undertaking this review, we observe initially that the applicable Appendix 1 listings vary according to whether the results of an acceptable treadmill test are available. We conclude that the results of the treadmill stress test performed on appellant and considered by the AU were acceptable within the meaning of the Secretary’s regulations, as set forth in section 4.00(F) and (G) of Appendix 1, and thus the applicable listings are those found in sec: tion 4.04(A).
As support for our conclusion, we note that the record contains clear legible copies of the test performed, appropriately labeled with appellant’s name and the date of the test. The copies indicate the end of each of the three stages of Bruce/Protocol attained, when appellant was standing and hyperventilating, that the test was terminated after nine minutes, and the appellant’s status at 12, 14, 15, 18, 21, and 22 minutes. Further, examination of appro[1464]*1464priate tables reveals that appellant achieved more than 85 per cent of the maximum predicted heart rate.1
The applicable listings determined, the appropriate analysis is whether substantial evidence exists pursuant to the results of the treadmill test that appellant failed to meet any of the four listings described in 4.04(A) of Appendix 1 for ischemic heart disease.2 The exercise stress test revealed a heart rate of 165 without angina. From appellant’s resting EKG of the anterior myocardial infarction and complete right bundle branch block he experienced no further ST-T changes. Appellant experienced normal blood pressure response to the exercise and developed no chest pain. The examining physician conducting the test assessed the test as negative for myocardial ischemia. The test was discontinued, not because of cardiac problems, but because of shortness of breath and fatigue. Though developing what the examining physician termed “occasional” premature ventricular contractions and some ventricular bigamy, this resolved after nine to ten additional minutes of recovery and in light of the physician’s assessment regarding a lack of myocardial ischemia must be considered as insignificant. The right bundle branch block from which appellant suffers does not fall within the parameters of the section 4.04(A) listing regarding second and third degree heart blocks. There exists substantial evidence that appellant met none of the Appendix 1 listings.
Appellant’s remaining contentions involve alleged errors in application of the medical-vocational guidelines set forth in 20 C.F.R. Part 404, Subpart P, Appendix 2. If a claimant does not meet a listing set forth in Appendix 1, then to establish that he is disabled he must show that he has an impairment serious enough to prevent him from returning to his previous job. If a claimant carries that burden, as appellant did here, then the Secretary has a burden to prove that the claimant is capable, considering his age, education and work experience, of engaging in another kind of substantial gainful work that exists in the national economy. It is at this stage that the grids come into play. The grids apply in the following fashion:
The ALJ first ascertains a claimant’s ‘residual functional capacity,’ which involves findings as to the claimant’s ability to lift weight, sit, stand, push, and pull. For claimants found capable of sedentary, light, or medium work, the regulations provide three tables, one corresponding to each level of residual functional capacity. These tables account for the vocational factors of age, education, and work experience, which are mentioned in the statute. The ALJ determines a claimant’s age, education, and work experience and reads from the appropriate table and line the conclusion of whether the claimant is disabled. (Citations omitted)
Broz v. Schweiker, 677 F.2d 1351 (11th Cir.1982), vacated and remanded on other grounds sub nom. Heckler v. Broz, 461 U.S. 952, 103 S.Ct. 2421, 77 L.Ed.2d 1311, adhered to, 711 F.2d 957 (11th Cir.1983), modified on other grounds, 721 F.2d 1297 (11th Cir.1983).
[1465]*1465As is evidenced by this procedure, the ALJ’s determination regarding whether claimant is capable of sedentary, light, or medium work impacts directly on the determination of disability or lack thereof as it controls which grid is applicable. Appellant alleges that no substantial evidence supports the ALJ’s finding that the appellant is capable of a full.range of light work and thus that the result obtained through the ALJ’s use of the Appendix 2 tables pertaining to light work is incorrect. We find this contention without merit. The appellant testified at the hearing that he could stand for 30 minutes and could sit, stand and walk for a period of at least four hours. As discussed previously, the exercise stress test produced a normal blood pressure response, a heart rate of 165 without angina, and no further ST-T changes and was assessed as negative for myocardial ischemia. While claimant suffers from lingering pain from his condition, there was no evidence introduced to show any further cardiac complications, and treating physicians felt the patient could be managed medically. 20 C.F.R. § 404.1567(b) (1985) provides that light work involves lifting of no more than 20 pounds at a time with frequent lifting and carrying of objects weighing up to 10 pounds. Substantial evidence exists to support the ALJ’s finding that appellant was capable of performing this type activity.
The appellant further contends that the district court erred when, on remand granted pursuant to Reeves v. Heckler, 734 F.2d 519 (11th Cir.1984), it held that the appellant’s evidence did not satisfy the Reeves proffer and thus denied appellant’s motion to remand to the Secretary. Reeves held that before the Secretary may use the age factor as applied in the grids as evidence of the claimant’s ability to adapt to a new work environment, the claimant must be afforded an opportunity to proffer substantial credible evidence that his ability to adapt is less than the level established under the grids for persons of his age capable of his residual functional capacity. Reeves v. Heckler, 734 F.2d at 525. Appellant submitted a letter from Bernard C. Murdoch, a vocational expert and licensed psychologist, which stated in part: “Mr. Hutchison's vocational capacities, after he exhibited his problems from his heart disease, were atypical of his age group. In fact at the age of 53 and 54 his vocational capacities would have been more nearly those of persons many years older.” The district court characterized Dr. Murdoch’s statements as focusing on appellant’s “ex-ertional limitations” and concluded that such evidence did not meet the Reeves test.
We agree with the district court’s assessment. Murdoch’s letter addressed appellant’s exertional limitations arising from his heart condition. Appellant thus attempts to rely on the impairment which created the disability in the first instance in establishing his lesser ability to adapt. Such a strategy ignores that these limitations were among the factors which led the AU to conclude that appellant retained the residual functional capacity for only light work. In fact, the Murdoch letter addressed only appellant’s ability to do light work, an issue that was not before the district court. On remand, appellant had the burden of producing substantial evidence of a lesser ability to adapt. Reeves v. Heckler, 734 F.2d at 526. We hold that he failed to meet this burden.
Appellant alleges that the Secretary mechanically applied the age factor in violation of Garner v. Heckler, 735 F.2d 1291 (11th Cir.1984). While we do not hold that the application here was within the scope of that labelled by Gamer as mechanical, as the claimant failed on remand to make a Reeves proffer any alleged mechanistic use of the grids would be harmless error. Garner v. Heckler, 735 F.2d 1291, 1292 (11th Cir.1984). Having found all the appellants contentions without merit, the decision of the district court is
AFFIRMED.