a·prax·i·a 
(ā-prăksē-ə)
(ā-prăksē-ə)n.
Total or partial loss of the ability to perform coordinated movements or manipulate objects in the absence of motor or sensory impairment.
[Greek aprāxiā, inaction : a-, without; see A-1 + prāxis, action; see PRAXIS.]
a·practic (ā-prăktĭk), a·praxic (ā-prăksĭk) adj.