Open Access

Table 2

Rotational relationships of sTEA with other axes on the femur and tibia.

Measurements on the femur (°)
sTEA–PCA angle formed by the sTEA and PCA Mean = 1.77 ± 1.88 (range = −2.65 to 7.29)
cTEA–PCA angle formed by the cTEA and PCA Mean = 5.91 ± 1.82 (range = 1.23 to 10.33)
sTEA–WSL angle formed by the sTEA and WSL Mean = 95.64 ± 2.85 (range = 87.68 to 101.64)
cTEA–WSL angle formed by the cTEA and WSL Mean = 91.31 ± 2.78 (range = 84.44 to 97.11)
cTEA–sTEA angle between the cTEA and sTEA Mean = 4.19 ± 0.99 (range = 0.77 to 7.19)
Measurements on the tibia (°)
sTEA–Akagi’s line angle, formed by perpendicular to sTEA and Akagi’s line Mean = 2.43 ± 4.35 (range = −8.68 to 14.84)
sTEA–PTM angle, formed by sTEA and the PTM Mean = 1.10 ± 4.69 (range = −5.81 to 13.88)
sTEA–ACA angle, formed by sTEA and the ACA  Mean = 11.98 ± 4.51 (range = 1.47 to 22.92)
sTEA–line GC 1/3rd TT angle, formed by perpendicular to sTEA and line GC 1/3rd tibial tubercle Mean = 16.04 ± 5.93 (range = −1.07 to 34.19)

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