Anismus is a term formerly used to describe a dysfunction in the coordination of anal and rectal muscles during the process of defecation. The more currently accepted term for anismus is dyssynergic defecation.
For full information on anismus/dyssynergic defecation, see:
- Anal sphincter dyssynergia
- Obstructive defecation
- Paradoxical puborectal contraction
- Pelvic floor dyssynergia
- Pelvic outlet obstruction
- Spastic pelvic floor syndrome