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Anorectal manometry: Measuring muscle strength in your anus with the help of a thin plastic probe we place in your rectum. This test also measures sensation and reflex activity.
Defecating proctogram: Recording movement in your pelvic floor muscles and rectum while you attempt to empty the contents of your rectum
Digital rectal examination: Measuring sensation and movement in your pelvic floor, your doctor performs a digital rectal examination by inserting a lubricated, gloved finger into your anus and asking you to bear down as if having a bowel movement.
Magnetic resonance imaging (MRI) defecography: Examining structures in your pelvic floor, rectum and sphincter, using radio waves and a strong magnetic field