Final answer:
Ataxia is a group of disorders characterized by poorly controlled body movement, typically resulting from cerebellar damage.
Step-by-step explanation:
A group of disorders characterized by poorly controlled body movement is referred to as ataxia. Ataxia is a movement disorder of the cerebellum that manifests as a loss of coordination in voluntary movements. It can also involve sensory deficits that cause balance problems. When the problem is observed in movement, it is typically attributed to cerebellar damage.