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Pearl’s muscles continued to weaken throughout her illness. Attempts to get her to exercise were not successful because of her general weakness. In the earlier years she tried water exercises and short walks, but later she was too debilitated. After loss of shoulder function due to torn rotator cuffs and other shoulder joint damage her options were reduced even more. Several times during her illness her legs buckled from under her. In her final months she had open skin scrapes to deal with so she was transported in the house and to appointments with a wheeled chair which I pushed. She recovered sufficiently after the wounds healed to walk by herself once again but we were concerned about her stability. Her right knee tended to buckle on occasion without warning.