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Table 1 Link segment compositions for the manual and visual system

From: Negotiated control between the manual and visual systems for visually guided hand reaching movements

Manual system

Visual system

Variable

Joint movement

Positive rotation

Variable

Joint movement

θ m 1

Torso flexion/extension

Extension

θ v 1

Torso flexion/extension

θ m 2

Torso axial rotation

Counter-clockwise

θ v 2

Torso axial rotation

θ m 3

Torso lateral bending

Leftward

θ v 3

Torso lateral bending

θ m 4

Shoulder flexion/extension

Flexion

θ v 4

Neck/Head flexion/extension

θ m 5

Shoulder abduction/adduction

Abduction

θ v 5

Neck/Head axial rotation

θ m 6

Upper arm axial rotation

Counter-clockwise

θ v 6

Neck/Head lateral bending

θ m 7

Elbow flexion/extension

Flexion

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