Table 1.

Clinical features.

Subjects	Age	Sex	Clinical features	Last botulinum toxin injection (months)	Patterns
1	50	M	Simple cramp	—	Predominant extensor pattern
2	55	M	Simple cramp	—	Predominant extensor pattern
3	31	F	Simple cramp	—	Predominant flexion pattern
4	62	M	Dystonic cramp	4	Predominant flexion pattern
5	38	M	Dystonic cramp	—	Predominant extensor pattern
6	66	M	Dystonic cramp	3	Predominant extensor pattern
7	55	F	Simple cramp	—	Predominant flexion pattern
8	45	M	Simple cramp	—	Predominant extensor pattern