<unk>  (from Greek: a-, without and basis, step) is the inability to walk owing to impairment in motor coordination. The term covers a spectrum of medical disorders such as: * choreic<unk> : caused by chorea of the legs * paralytic<unk> : caused by paralysis of the leg muscles * spastic<unk> : caused by spastic stiffening of the leg muscles * trembling<unk> : caused by trembling of the legs<unk>  is frequently accompanied by astasis, an inability to stand, see Astasia-abasia.
Abasia
Stridor
Horror fusionis
Prospero
Amastia
Spotted lunulae
Crenated tongue
Acropachy