64474-0

My breathing makes it difficult to do things such as carry heavy loads, dig the garden or shovel snow, jog or walk at 5 miles per H, play tennis or swim [PhenX]

My breathing makes it difficult to do things such as carry heavy loads, dig the garden or shovel snow, jog or walk at 5 miles per H, play tennis or swim, a finding in the patient by PhenX, an ordinal result. PhenX measures.