Table 2 Abbreviations used in the datafile structure for the computed tomography scan (Fig. 2b) together with the type (point, circle or sphere) a full explanation, the unit and the reference coordinate system in which the measures are expressed.

From: Reference in-vitro dataset for inertial-sensor-to-bone alignment applied to the tibiofemoral joint

Data structure abbreviation

Type

Explanation

Unit

Reference coordinate system

FKC

point

Femoral Knee Center

[mm]

M

FLE

point

Femoral Lateral Epicondyle

[mm]

M

FME

point

Femoral Medial Epicondyle

[mm]

M

TKC

point

Tibia Knee Center

[mm]

M

TAC

point

Tibia Ankle Center

[mm]

M

TPL

point

Tibia Plateau most Lateral point

[mm]

M

TPP

point

Tibia Plateau most Posterior point

[mm]

M

TPM

point

Tibia Plateau most Medial point

[mm]

M

TPA

point

Tibia Plateau most Anterior point

[mm]

M

TMCA

point

Tibia Medial Plateau most Anterior point

[mm]

M

TMCP

point

Tibia Medial Plateau most Posterior point

[mm]

M

TLCA

point

Tibia Lateral Plateau most Anterior point

[mm]

M

TLCP

point

Tibia Lateral Plateau most Posterior point

[mm]

M

TMCC

circle

Tibia Medial Plateau Center

[mm]

M

TLCC

circle

Tibia Lateral Plateau Center

[mm]

M

FHC

sphere

Femur Hip Center

[mm]

M

FMCC

sphere

Femur Medial Condyle Center

[mm]

M

FLCC

sphere

Femur Lateral Condyle Center

[mm]

M

O1-O4

point

Optical marker position

[mm]

M