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Table 3 Direction of torque due to different movements, loading conditions and k-wire blocking of the wrist

From: Wrist movements induce torque and lever force in the scaphoid: an ex vivo study

Specimen

No k-wires

No k-wires

k-wires

k-wires

No k-wires

No k-wires

k-wires

k-wires

 

No loading

Loading

No loading

Loading

No loading

Loading

No loading

Loading

 

Flexion

Flexion

Flexion

Flexion

Extension

Extension

Extension

Extension

1

pron

sup

sup

sup

pron

sup

pron

sup

2

sup

sup

sup

sup

sup

sup

pron

pron

3

sup

sup

sup

sup

sup

sup

sup

sup

4

pron

pro

pron

0

0

sup

sup

0

5

sup

sup

sup

sup

sup

sup

sup

sup

6

Pron

pron

sup

sup

sup

sup

sup

sup

7

pron

pron

0

pron

sup

sup

pron

0

8

sup

sup

sup

sup

sup

sup

sup

Sup

 

Radial

Radial

Radial

Radial

Ulnar

Ulnar

Ulnar

Ulnar

1

pron

pron

pron

pron

0

0

sup

sup

2

sup

sup

sup

sup

sup

sup

sup

sup

3

sup

sup

sup

sup

sup

sup

sup

sup

4

pron

pron

pron

sup

0

sup

sup

sup

5

sup

sup

0

sup

sup

0

sup

sup

6

sup

sup

sup

sup

pron

pron

sup

sup

7

pron

0

pro

0

pron

pron

sup

0

8

sup

sup

sup

sup

sup

sup

pron

sup