Post v. Bisignano — Eighth Circuit upheld denial of disability benefits

Case
Rachael Michelle Post v. Frank Bisignano, Commissioner of Social Security Administration
Court
U.S. Court of Appeals for the Eighth Circuit
Judge
Kelly; Grasz; Kobes
Date Decided
August 28, 2026
Docket No.
25-2081
Topics
Social Security Disability; Residual Functional Capacity; Medical Opinions; Substantial Evidence
Source
Read the full opinion

Background

Rachael Post experienced pain, numbness, and tingling in both hands and underwent multiple operations on her hands, arms, and shoulders for conditions including thoracic outlet syndrome. She sought disability insurance benefits for a closed period from June 3, 2016, through August 5, 2021. Several treating providers restricted her to lifting no more than five pounds, although examinations and physical-therapy records repeatedly documented improvement, full range of motion, normal grip strength, or full upper-extremity strength.

An administrative law judge found that Post could perform sedentary work, including lifting up to ten pounds and frequently handling, fingering, and reaching, while avoiding climbing. The ALJ found persuasive the opinion of agency reviewer Dr. John Marshall Jung and relied on Post’s reported activities and medical records. Based on vocational-expert testimony that a significant number of jobs accommodated those limitations, the ALJ found Post was not disabled. The district court affirmed.

The Court’s Holding

The Eighth Circuit affirmed, holding that substantial evidence supported the ALJ’s residual-functional-capacity determination. The ALJ adequately evaluated the supportability and consistency of Dr. Jung’s opinion under 20 C.F.R. § 404.1520c and reasonably found it consistent with Post’s activities and medical records showing normal strength, grip strength, and range of motion.

The court rejected Post’s argument that her activities amounted only to light housework, noting that she also drove, walked her dog, threw a Nerf football, and frequently performed housework. It also rejected her argument that Dr. Jung’s opinion became unreliable because it predated later surgeries and treatment. Although the subsequent evidence showed continuing symptoms and additional operations, it also documented substantial recoveries consistent with an ability to lift up to ten pounds. The ALJ’s weighing of conflicting evidence therefore remained within the permissible zone of choice.

Key Takeaways

  • An ALJ may rely on a nonexamining medical opinion when the ALJ adequately analyzes its supportability and consistency with the record.
  • Medical treatment and surgeries occurring after a reviewer’s opinion may reduce its persuasiveness, but they do not automatically make reliance on that opinion erroneous.
  • Daily activities, examination findings, and recovery records may collectively support an RFC finding despite treating providers’ more restrictive lifting recommendations.

Why It Matters

The decision reinforces the deferential nature of substantial-evidence review in Social Security appeals. A reviewing court will not reweigh conflicting medical evidence when the ALJ has applied the governing persuasiveness factors and reached a conclusion supported by enough evidence to fall within the agency’s zone of choice.

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