Table 1 Definition of the coupling angle on the thigh/shank/foot segment and coordination pattern based on the vector coding.

From: Examining the joint coordination during dynamic balance learning using vector coding and statistical parametric mapping analyses

 

Pattern

Coupling angle definitions

Sagittal plane

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In-phase

112.5 ≤ \(\gamma \)≤157.5, 292.5 ≤ \(\gamma \)≤337.5

Anti-phase

22.5 ≤ \(\gamma \)≤67.5, 202.5 ≤ \(\gamma \)≤247.5

Proximal phase

0 ≤ \(\gamma \)≤22.5, 157.5 ≤ \(\gamma \)≤202.5, 337.5 ≤ \(\gamma \)≤360

Distal phase

67.5 ≤ \(\gamma \)≤112.5, 247.5 ≤ \(\gamma \)≤292.5

Frontal plane

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In-phase

22.5 ≤ \(\gamma \)≤67.5, 202.5 ≤ \(\gamma \)≤247.5

Anti-phase

112.5 ≤ \(\gamma \)≤157.5, 292.5 ≤ \(\gamma \)≤337.5

Proximal phase

0 ≤ \(\gamma \)≤22.5, 157.5 ≤ \(\gamma \)≤202.5, 337.5 ≤ \(\gamma \)≤360

Distal phase

67.5 ≤ \(\gamma \)≤112.5, 247.5 ≤ \(\gamma \)≤292.5

Horizontal plane

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In-phase

22.5 ≤ \(\gamma \)≤67.5, 202.5 ≤ \(\gamma \)≤247.5

Anti-phase

112.5 ≤ \(\gamma \)≤157.5, 292.5 ≤ \(\gamma \)≤337.5

Proximal phase

0 ≤ \(\gamma \)≤22.5, 157.5 ≤ \(\gamma \)≤202.5, 337.5 ≤ \(\gamma \)≤360

Distal phase

67.5 ≤ \(\gamma \)≤112.5, 247.5 ≤ \(\gamma \)≤292.5

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