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Table 2 Cross-correlation of kinematic parameters and correlations with the UE-FMA sub scores A-D (r, upper section) and corresponding p-values (p, lower section)

From: Clinical validation of kinematic assessments of post-stroke upper limb movements with a multi-joint arm exoskeleton

  

Grip

Wrist FE

Elbow FE

Shoulder FE

Shoulder IER

r

Grip in kPa

1.000

0.394

0.348

0.463

0.254

 

Wrist FE in °

0.394

1.000

0.735*

0.422

0.475

 

Elbow FE in °

0.348

0.735*

1.000

0.547*

0.614*

 

Shoulder FE in °

0.463

0.422

0.547*

1.000

0.543

 

Shoulder IER in °

0.267

0.475

0.614

0.543

1.000

 

UE-FMA total

0.621*

0.543*

0.658*

0.662*

0.788*

 

UE-FMA subscore A

0.624*

0.618*

0.790*

0.725*

0.794*

 

UE-FMA subscore B

0.434

0.187

0.17

0.334

0.427

 

UE-FMA subscore C

0.120

0.043

0.120

0.119

0.415

 

UE-FMA subscore D

0.593*

0.605*

0.718*

0.585*

0.684*

p

Grip in kPa

0.0

0.048

0.072

0.023

0.295

 

Wrist FE in °

0.048

0.0

0.000

0.036

0.040

 

Elbow FE in °

0.072

0.000

0.0

0.008

0.005

 

Shoulder FE in °

0.023

0.036

0.008

0.0

0.016

 

Shoulder IER in °

0.134

0.020

0.003

0.008

0.0

 

UE-FMA total

0.002

0.008

0.001

0.001

0.000

 

UE-FMA subscore A

0.004

0.005

0.000

0.000

0.000

 

UE-FMA subscore B

0.063

0.443

0.663

0.162

0.068

 

UE-FMA subscore C

0.625

0.860

0.626

0.627

0.077

 

UE-FMA subscore D

0.007

0.006

0.001

0.008

0.001

  1. *Indicates significant correlations at the p < 0.01 level. Displayed is the cross-correlation of the UE-FMA score, the UE-FMA subscores A (upper extremity, max. 36 points), B (wrist function, max. 16 points), C (hand function, max. 14 points) and D (coordination/speed, max. 4 points). FE flexion/extension, IER internal/external rotation