Table 1.

Clinical characteristics of subjects.

Subject ID #	Sex	Age	Type of amputation	Time since amputation	Duration of myoelectric prosthesis use	Current device type
1	M	58	Acquired	35 years	2 years	Mechanical hook
2	M	64	Acquired	39 years	15 years	Myoelectric
3	M	21	Congenital	N/A	10 years	Myoelectric
4	M	36	Congenital	N/A	N/A	None