was incorrect because there is no evidence in the administrative record of any occupations available to her, given her education, training, or experience, nor is there any proof that she was able to obtain employment with a salary equal to 80% of her Indexed Covered Earnings, or $3,620.61 per month. Id. Vol. 3 at 300674. In holding that LINA rightfully terminated Ms. Null’s LTD benefits, the district court found that [t]he medical records in the administrative record dating from October 2005 through May of 2006 do not show that plaintiff, by reason of her rhematoid [sic] arthritis, arthralgia and/or myalgia ifts when the plan administrator is attempting to terminate benefits. See Gunderson v. W.R. Grace & Co. Long Term Disability Income Plan, 874 F.2d 496, 499 & n. 4 (8th Cir.1989) (<HOLDING>); see also Quinn v. Blue Cross & Blue Shield
holding claimant suffered permanent total disability where functional disability was only twentyfive or thirty percent claimant was fiftynine years of age claimant had little or no education and the injury kept the claimant from performing physical work holding that before terminating benefits the plan should have obtained a vocational experts opinion to determine if claimant is presently capable in light of his physical impairment to perform any occupation  and observing that claimant met his burden when he proved his disability initially holding that vocational experts testimony that there were jobs claimant could perform constituted substantial evidence holding that the burden of proof is on the claimant holding that when the claimant has established that his impairment prevents him from returning to his previous employment the burden shifts to the commissioner who must produce evidence to show the existence of alternative substantial gainful work which exists in the national economy and which the claimant could perform considering not only his physical and mental capability but also his age education experience and training