Table 4.
Naming of the joint angles, examined using the approach in this paper, and the corresponding joint angles calculated by WIDAAN.
| Approach Paper | Approach WIDAAN | Description |
|---|---|---|
| head_inc | Head_Inc_Ang | back and forward tilt of the head |
| head_latinc | Head_LatInc_Ang | lateral tilt of the head |
| neck_flex | Neck_Flex_Ang | back and forward tilt of the neck |
| neck_latflex | Neck_LatFlex_Ang | lateral tilt of the neck |
| chest_flex | flexion of the spine at chest level | |
| pelvis_flex | flexion of the upper body at pelvis level | |
| shoulder_(left, right)_elev | Shld(L,R)_Elev_Ang | angle between upper arm and upper body |
| elbow_left, right)_flex | Ellb(L,R)_Flex_Ang | flexion of the elbow |
| elbow_(left, right)_azim | pointing direction of the forearm to the upper arm | |
| hip_left, right)_flex | Hip(L,R)_Flex_Ang | flexion in the hip to frontal plane |
| knee_(left, right)_flex | Knee(L,R)_Flex_Ang | flexion in the knee joint |
| Thor_Inc_Ang | thorax inclination | |
| Back_Flex_Ang | back flexion | |
| Back_Tors_Ang | back torsion | |
| L5S1_Inc_Ang | angle in the 5th lumbar vertebra and 1st sacral vertebra |