Assertion: stoma's muscle | /r/CapableOf | become weak
Facets:
Source sentences:
text: These muscles can become weak through trauma such as childbirth or surgery, changing hormones, persistent coughing, chronic constipation or even damage caused to the brain such as from a stroke.
text: When these muscles become slack it can weaken the sphincter muscle to the rectum or bladder allowing the involuntary passing of stool or urine.