Table 2 Summary of previous studies

Vincent et al. [21]

30 TKRs

10 cadavers

100 %

Near or on popliteus insertion (9/10 just anterior to the popliteus)

5 mm from articular margin

Posterior to GT

Length: 34.1 ± 3.4

Width: 8.2 ± 1.5

Thickness: 2–3

Claes et al. [10]

41 cadavers

97 %

On lateral femoral epicondyle (anterior to LCL origin)

Most superficial fibres continued over the lateral aspect of the distal femur in the direction of the lateral inter-muscular septum of the thigh

The most posterior fibres blended with the proximal part of the LCL

6.5 ± 1.4 mm from articular margin

21.6 ± 4.0 mm to GT and 23.2 ± 5.7 mm anterior to FH

Length: (in neutral rotation)

41.5 ± 6.7 (at 90 flexion)

38.5 ± 6.1 (extension)

Width: 8.3 ± 2.1 (mean)

6.7 ± 3.0 (at the joint line)

11.2 ± 2.5 (tibial insertion)

Thickness: 1.3 ± 0.6 (at joint line)

Helito et al. [3]

20 cadavers

100 %

3.5 ± 2.1 mm distal and 2.2 ± 1.5 mm anterior to LCL origin

4.4 ± 1.1 mm from distal articular margin

38 % ± 11 % of the way from the FH to GT

Length: 37.3 ± 4.0

Width: 7.4 ± 1.7

Thickness: 2.7 ± 0.6

Dodds et al. [13]

40 cadavers

83 %

8.0 ± 5.2 mm proximal and 4.3 ± 4.9 mm posterior to the most prominent point of the lateral epicondyle

Fan-like blending of fibres at the lateral aspect and from far posterior on the lateral femoral condyle

11 ± 2 mm from joint line

18 ± 3 mm from GT and 17 ± 3 mm from FH

Length: 59 ± 4

Width: 5 ± 0

Caterine et al. [1]

10 MRIs

19 cadavers

100 %

Anterodistal to LCL origin (11 specimens)

Posteroproximal to LCL origin (eight specimens)

11.1 ± 2.4 mm from joint line

23.4 ± 3.4 mm from GT and 23.9 ± 5.5 mm from LCL insertion

Length: 40.3 ± 6.2

Width: 5.1 ± 1.8 (above meniscus)

8.9 ± 2.5 (below meniscus)

Thickness: 1.4 ± 0.6

Stijak et al. [22]

14 cadavers

50 %

Fibres running from the lateral condyle of the femur, somewhat in front of the FCL

Midway between the GT and the FH

Length: 41 ± 3

Width: 4 ± 1

Thickness: 1