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Table 3 Summary of results obtained from X-ray images

From: Movement within foot and ankle joint in children with spastic cerebral palsy: a 3-dimensional ultrasound analysis of medial gastrocnemius length with correction for effects of foot deformation

Subject

Rotations 0 to +4 Nm

Muscle-tendon complex length changes 0 to +4 Nm

Foot plate angle with tib-fib (º)

True ankle dorsal flexion (º)

triceps surae

peroneus brevis

tibialis anterior

Total* (mm)

Due to foot deform.‡ (mm)

Total* (mm)

Due to foot deform.‡ (mm)

Total* (mm)

Due to foot deform.‡ (mm)

SCP

15.0

7.0

+ 8.8

+1.9

-1.3

-0.8

-6.7

-1.3

TD A.

15.0

13.5

+12.8

≈0.0

+6.0

+3.0

-8.6

≈0.0

TD B.

18.0

16.0

+13.2

≈0.0

+6.3

+2.5

-6.0

≈0.0

  1. *obtained from fibula aligned images; ‡ obtained from talus aligned images.