Rare diseases · Sign or symptom

Abdominal wall muscle weakness

HP:0009023

What it means

Decreased strength of the abdominal musculature.

This may be associated with protuberance of the abdomen.

Rare diseases that can present with this6

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category

Also called: Lax abdominal musculature

Abdominal wall muscle weakness

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This page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.