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Table 2 The activities (grips and associated movements) performed as part of the data capture protocol

From: Improving the recognition of grips and movements of the hand using myoelectric signals

Grp#

Action group

Code

Description

1

hammer

HG

hammer grip

1

hammer

HR

hammer raise

1

hammer

HGR

hammer grip - raised pos.

1

hammer

HL

hammer lower

2

tip pinch

TPG

tip pinch grip

2

tip pinch

TPR

tip pinch raise

2

tip pinch

TPL

tip pinch lower

3

3-jaw chuck

3JCG

3-jaw chuck grip

3

3-jaw chuck

3JCR

3-jaw chuck raise

3

3-jaw chuck

3JCL

3-jaw chuck lower

4

key

KG

key grip

4

key

KTS

key turn - supination

4

key

KTP

key turn - pronation

5

scissors

SCG

scissors grip

5

scissors

SCO

scissors open

5

scissors

SCC

scissors close

6

door knob

DKG

door knob grip

6

door knob

DKS

door knob turn - supination

6

door knob

DKP

door knob turn - pronation

7

jar lid

JLG

jar lid grip

7

jar lid

JLS

jar lid turn - supination

7

jar lid

JLP

jar lid turn - pronation

8

ball

BG

ball grip

8

ball

BSQ

ball squeeze

-

All

NR

neutral/rest

  1. The activity code is used as the class label and the 8 action groups are the base hand grip that’s engaged before the related follow-on actions are performed