Table 1. Clinical and demographic information for subjects with dystonia.

Case	Group	Sex	Age	Hand	Duration of sx	Diagnosis	Clinical Pattern	Toxin Hx
1	Sham	F	64	R	21yr	WC R	R 3rd digit flexion during writing and typing	Y, 1yr prior
2	Real	M	63	R	7yr	MD R	R 3rd, 4th digit flexion during piano playing, writing, typing	Y, 2yr prior
3	Real	M	41	L	3yr	MD R	R 4th, 5th digit flexion during writing, guitar playing	Y, 1.5yr prior
4	Real	M	68	L	5yr	WC L	L 2nd-4 digit abnormal posturing during writing/typing	N
5	Sham	M	46	R	6yr	WC R	R grip, wrist extensor spasms during writing/typing	Y, 3mo prior
6	Real	M	50	R	2.5yr	WC R	R 2nd-3rd digit abnormal posturing during writing/calculator use	Y, 3mo prior
7	Real	M	59	R	37yr	WC R	R 3rd digit abnormal posturing during writing/golfing	N
8	Real	M	50	R	8yr	WC R	R 3rd digit abnormal posturing during writing/suturing/card dealing	Y, 5yr prior
9	Sham	M	42	R	14yr	MD R	2nd/3rd digit spasm during typing and classical guitar playing	N
10	Sham	M	55	L	9yr	MD L	L 2nd digit flexion playing piano	N
11	Real	F	49	R	5yr	MD R	R 5th digit extension during guitar picking/piano/writing/typing	N
12	Real	F	67	R	2.5yr	WC R	R hand abnormal flexion/tremor during writing/mousing	Y, 1yr prior
13	Sham	F	55	R	12yr	WC R	R hand abnormal flexion/tremor during writing/mousing/pinching	N
14	Real	F	72	R	50yr	WC R	R 2nd-4th digit abnormal posturing during writing/mousing/typing	Y, 5yr prior
15	Real	F	38	R	7mo	WC R	R hand abnormal posturing during writing	N
16	Real	F	61	R	25yr	WC R	R hand abnormal posturing/cramping during writing/carpentry	Y,14yr prior
17	Real	M	42	R	3yr	WC R	R hand abnormal posturing/fatigue during writing and typing	Y, 6mo prior

M=male, F=female, R=right, L=left, WC=writer's cramp, MD=musician's dystonia