Astasia-abasia may be accepted as a convenient designation for a clinical condition characterized by inability to stand or to walk, but not dependent upon actual paralysis. Blocq (Revue générale de Clinique et de Thérapeutique, 1889, No. 11, p. 165) proposed the explanation that patients thus affected had lost the memory of the specialized movements requisite for the performance of those acts. As a rule sensibility, muscular power and coordination are preserved, though the disorder may be associated with hysteria or organic disease of the spinal cord.
I wish to add a further case to the not very large number already contributed to the literature of the subject. The patient was a married woman, 46 years old, who was a housewife and whose husband was a cigar-maker. She was born in Philadephia and her family history presented a number of interesting features. One of three of her sisters living was paralyzed