Online-only Table 1 List of hand movements included in this study, as presented to the participants (shown on screen).

From: A database of high-density surface electromyogram signals comprising 65 isometric hand gestures

Code

Movement

 

1

Little finger: bend

1DoF

2

Little finger: stretch

3

Ring finger: bend

4

Ring finger: stretch

5

Middle finger: bend

6

Middle finger: stretch

7

Index finger: bend

8

Index finger: stretch

9

Thumb: down

10

Thumb: up

11

Thumb: left

12

Thumb: right

13

Wrist: bend

14

Wrist: stretch

15

Wrist: rotate anti-clockwise

16

Wrist: rotate clockwise

17

Little finger: bend + Ring finger: bend

2DoF

18

Little finger: bend + Thumb: down

19

Little finger: bend + Thumb: left

20

Little finger: bend + Thumb: right

21

Little finger: bend + Wrist: bend

22

Little finger: bend + Wrist: stretch

23

Little finger: bend + Wrist: rotate anti-clockwise

24

Little finger: bend + Wrist: rotate clockwise

25

Ring finger: bend + Middle finger: bend

26

Ring finger: bend + Thumb: down

27

Ring finger: bend + Thumb: left

28

Ring finger: bend + Thumb: right

29

Ring finger: bend + Wrist: bend

30

Ring finger: bend + Wrist: stretch

31

Ring finger: bend + Wrist: rotate anti-clockwise

32

Ring finger: bend + Wrist: rotate clockwise

33

Middle finger: bend + Index finger: bend

34

Middle finger: bend + Thumb: down

35

Middle finger: bend + Thumb: left

36

Middle finger: bend + Thumb: right

37

Middle finger: bend + Wrist: bend

38

Middle finger: bend + Wrist: stretch

39

Middle finger: bend + Wrist: rotate anti-clockwise

40

Middle finger: bend + Wrist: rotate clockwise

41

Index finger: bend + Thumb: down

42

Index finger: bend + Thumb: left

43

Index finger: bend + Thumb: right

44

Index finger: bend + Wrist: bend

45

Index finger: bend + Wrist: stretch

46

Index finger: bend + Wrist: rotate anti-clockwise

47

Index finger: bend + Wrist: rotate clockwise

48

Thumb: down + Thumb: left

49

Thumb: down + Thumb: right

50

Thumb: down + Wrist: bend

51

Thumb: down + Wrist: stretch

52

Thumb: down + Wrist: rotate anti-clockwise

53

Thumb: down + Wrist: rotate clockwise

54

Wrist: bend + Wrist: rotate anti-clockwise

55

Wrist: bend + Wrist: rotate clockwise

56

Wrist: stretch + Wrist: rotate anti-clockwise

57

Wrist: stretch + Wrist: rotate clockwise

58

Extend all fingers (without thumb)

sDoF

59

All fingers: bend (without thumb)

60

Extend all fingers (without thumb)

61

Palmar grasp

62

Wrist: rotate anti-clockwise with the Palmar grasp

63

Pointing (index: stretch, all other: bend)

64

3-digit pinch

65

3-digit pinch with Wrist: anti-clockwise rotation

66

Key grasp with Wrist: anti-clockwise rotation

  1. 1DoF movements comprise individual fingers flexions and extensions, thumb flexions, extensions, abductions and adductions, and wrist flexions, extensions, pronations and supinations. 2DoF movements comprise some of the 1DoF movements combinations. sDoF movements comprise some of the most common synergistic multi-joint hand movements.