eight-hour shifts on cement floors. As a manager, her duties included bathroom cleaning, trash disposal and the carrying of heavy boxes of supplies. Her feet developed bone spurs and began hurting her during the last few years of employment. Surgery did not alleviate the symptoms.
On October 7, 1991, Dr. Donald Schwartz reported: "Based on this patient's history, she began having progressively increasing difficulties with her heels in January of 1989.... [¶] ... [Medical] records would indicate that the patient did have onset of this problem on a work-related basis.... The patient does, however, point out that her difficulties with her feet were present and being aggravated on a continuous basis, persisting even through periods of time when she was not working. These difficulties also continued until she discontinuedRespondents argued that Martins had waived her right to contest the apportionment because Dr. Schwartz was her reporting doctor.
*1093 In recommending denial of reconsideration, the WCJ stated: "The finding on the extent of permanent disability and apportionment [was] based on the reports of Dr. Donald Schwartz, applicant's examining doctor for medical-legal purposes.... Dr. Schwartz concluded that applicant's ... injury ... was due to a cumulative injury attributable to any time she was weight bearing, whether on the job or off the job. This was the basis for his apportioning her disability between her work time and non-work time when she was aggravating and perpetuating her condition." The Board adopted the WCJ's report and denied reconsideration.

DISCUSSION
(1) Respondents argue that applicant has waived her right to contest the apportionment of