The rigid knee produced by arthrodesis affords good support but is inconvenient in sitting.
arthrodesis of the ankle alone or along with the mid-tarsal joint may be indicated when these joints are flail-like.
arthrodesis ar·throd·e·sis (är-thrŏd'ĭ-sĭs, är'thrə-dē'sĭs)
The surgical fixation of a joint to promote bone fusion. Also called artificial ankylosis, syndesis.