Loss of employment time due to back trouble, perhaps because it may arise from so many varied conditions, frequently faces tough sledding before workmen’s compensation tri
*514
bunals. "Where there is ascertainable physiological change as in cases of herniated disc, the end result may be proved by circumstantial evidence and constitutes an "accident” although the erosion which eventually produces the disability occurs imperceptibly over a period of time.
Ideal Mut. Ins. Co. v. Ray,
It is well settled that the aggravation of a pre-existing infirmity, whether congenital or otherwise, is compensable.
Manufacturers Cas. Ins. Co. v. Peacock,
It is also well settled that where a disability results which is objectively physiologically ascertainable, it is compensable although the onset of disability is imperceptible from day to day, and there is no one "accident” at a specifiable time and place to which the result may be attributable.
Shipman
v. Employers
Mut. Liab. Ins. Co.,
Taking these last two propositions as applicable law, and accepting as true the finding of fact that claimant was in fact dis *515 abled during the period he was on medical leave, and that this physical disability resulted from an attempt to do work which in his physical condition it was impossible to do, we must hold that the disability was an industrial accident within the meaning of the law.
Judgment reversed with direction that the case he remanded to the Board of Workmen’s Compensation for disposition not inconsistent with what is held herein.
