Aim of the programme

1
Aim of the programme

• Develop working Frames of Reference
• The neck and head relative to the shaft
• To allow the deformity to be
• Described
• Surgery to be optimised
• Then move on to the pelvis
• And knee etc

2
Base of Neck Plane (BNP) Top of the neck
Base of the head
3
Results 2

• Neck
• Length 21.4 mm (4.5)
• Height 34.2 mm (3.7)
• Width 27.4 mm (3.3)
• Head
• Radius 24.1 mm (2.1)
• Length 10.1 mm (1.5)

Mean value of sample population (standard
deviation SD)
4
Results 3

• Neck shaft angles
• Head-on-neck shaft angle
• Mean 126.9? SD 14.6? range 103.5-149.1?

5
Summary

• Hardik achieved his preliminary aim
• FoR for the neck and head
• independent of each other
• Allow description of anatomy
• Standardised manner
• To enable surgery to be planned
• Surgical outcomes to be validated.