Electromyogram synergy control of a dexterous artificial hand to unscrew and screw objects

Table 2 Summary of participants and tests performed

Subject(s)	Limb absence	Acquired/congenital	Test conditions
Subject(s)	Limb absence	Acquired/congenital	Human hand (H)	Shadow hand mapping (R, T)^#	Prostheses used*
1-10	N/A	N/A	H	R	MC [1(e)], ILU [1(f)]
A1	Right	Acquired	H	R, T	SHS [1(g)]
A2	Bilateral	Congenital	N/A	R, T	VPS [1(h)]
A3	Left	Acquired	H	R, T	VPS [1(i)]
A4	Left	Acquired	H	R, T	ETD [1(j)], IL [1(k)], BP [1(l)]
A5	Right	Congenital	H	R, T	N/A

^#Abbreviations R and T refer to the Rhythmic and Threshold EMG Mappings, respectively.
^*Characters in brackets refer to photos of the prostheses presented in Figure 1.

ISSN: 1743-0003