Determination of the Maximal Corrective Ability and Optimal Placement of the Ortho-SUV Frame for Femoral Deformity with respect to the Soft Tissue Envelope, a Biomechanical Modelling Study
Table 3
Change in maximal correction of OSF (option number 3) for the proximal, middle, and distal thirds of the femur when the strut is fixed by Z-shaped plate.
(a)
Proximal third
Movement
Strut number 1
Strut number 2
Strut number 3
Strut number 4
Strut number 5
Strut number 6
Translation in the sagittal plane
69 ± 0.6/
40 ± 1.1/
40 ± 1.5/
40 ± 0.3/
40 ± 0.3/
57 ± 0.3/
(anterior/posterior)*
64 ± 0.6
65 ± 1.6
75 ± 0.8
63 ± 0.4
63 ± 0.8
65 ± 0.5
Translation in the frontal plane
46 ± 0.4/
70 ± 2.3/
46 ± 2.4/
46 ± 0.3/
48 ± 0.3/
46 ± 0.3/
(medial/lateral)*
68 ± 0.5
65 ± 1.7
68 ± 2.1
68 ± 0.5
88 ± 0.3
68 ± 0.6
Angulation in the frontal plane
40 ± 0.4/
43 ± 1.6/
43 ± 1.3/
55 ± 0.5/
50 ± 0.4/
40 ± 0.4/
(varus/valgus)
28 ± 0.3
24 ± 1.5
30 ± 0.8
25 ± 0.2
24 ± 0.3
30 ± 0.5
Angulation in the sagittal plane
33 ± 0.4/
35 ± 1.1/
32 ± 1.0/
35 ± 0.4/
35 ± 0.4/
29 ± 0.5/
(procurvatum/recurvatum)
45 ± 0.6
40 ± 1.1
43 ± 1.4
45 ± 0.5
45 ± 0.4
45 ± 0.5
Internal rotation/
25 ± 0.4/
29 ± 1.5/
29 ± 1.8/
28 ± 0.3/
34 ± 0.5/
24 ± 0.5/
external rotation
31 ± 0.35
25 ± 1.5
25 ± 1.6
22 ± 0.3
22 ± 0.3
22 ± 0.3
(b)
Middle third
Movement
Strut number 1
Strut number 2
Strut number 3
Strut number 4
Strut number 5
Strut number 6
Translation in the sagittal plane
110 ± 0.7/
70 ± 1.2/
80 ± 1.5/
70 ± 0.5/
90 ± 0.5/
100 ± 0.5/
(anterior/posterior)*
80 ± 0.45
80 ± 1.1
80 ± 1.2
80 ± 0.6
80 ± 0.55
80 ± 0.5
Translation in the frontal plane
70 ± 0.35/
110 ± 1.5/
75 ± 0.9/
110 ± 0.6/
75 ± 0.5/
90 ± 0.5/
(medial/lateral)*
75 ± 0.5
73 ± 1.5
70 ± 0.8
77 ± 0.3
110 ± 0.5
72 ± 0.3
Angulation in the frontal plane
45 ± 0.4/
45 ± 0.9/
44 ± 0.9/
50 ± 0.3/
45 ± 0.3/
52 ± 0.4/
(varus/valgus)
48 ± 0.3
53 ± 1.1
46 ± 0.9
45 ± 0.4
50 ± 0.3
55 ± 0.6
Angulation in the sagittal plane
43 ± 0.3/
40 ± 1.5/
40 ± 1.3/
40 ± 0.3/
45 ± 0.3/
50 ± 0.25/
(procurvatum/recurvatum)
40 ± 0.2
45 ± 1.1
57 ± 1.1
40 ± 0.3
40 ± 0.4
45 ± 0.3
Internal rotation/
35 ± 0.5/
33 ± 0.8/
30 ± 1.5/
35 ± 0.45/
35 ± 0.5/
37 ± 0.6/
external rotation
40 ± 0.4
35 ± 0.8
35 ± 0.8
35 ± 0.3
35 ± 0.3
35 ± 0.3
(c)
Distal third
Movement
Strut number 1
Strut number 2
Strut number 3
Strut number 4
Strut number 5
Strut number 6
Translation in the sagittal plane
80 ± 0.6/
66 ± 1.1/
68 ± 2.1/
66 ± 0.6/
68 ± 0.4/
72 ± 0.3/
(anterior/posterior)*
80 ± 0.4
71 ± 1.3
72 ± 1.4
70 ± 0.4
75 ± 0.5
69 ± 0.5
Translation in the frontal plane
85 ± 0.6/
85 ± 0.9/
85 ± 0.9/
85 ± 0.2/
83 ± 0.3/
84 ± 0.3/
(medial/lateral)*
80 ± 0.7
88 ± 0.9
60 ± 0.8
80 ± 0.55
90 ± 0.4
70 ± 0.2
Angulation in the frontal plane
43 ± 0.3/
43 ± 1.3/
36 ± 1.1/
35 ± 0.3/
38 ± 0.3/
35 ± 0.4/
(varus/valgus)
35 ± 0.3
35 ± 1.5
36 ± 0.9
40 ± 0.2
50 ± 0.3
35 ± 0.3
Angulation in the sagittal plane
37 ± 0.3/
35 ± 1.2/
35 ± 1.5/
38 ± 0.3/
33 ± 0.3/
37 ± 0.2/
(procurvatum/recurvatum)
40 ± 0.2
38 ± 1.5
48 ± 1.3
40 ± 0.3
42 ± 0.3
35 ± 0.3
Internal rotation/
30 ± 0.2/
26 ± 0.9/
26 ± 0.7/
26 ± 0.5/
43 ± 0.4/
28 ± 0.5/
external rotation
32 ± 0.3
28 ± 1.2
30 ± 0.9
33 ± 0.2
38 ± 0.3
38 ± 0.3
Values of translation measured in mm. Values of angulation measured in degrees. Values of rotation measured in degrees.
