Table 6 Segment definitions, Visual 3D.
Segment | Segment Geometry | Segment mass fraction | Proximal joint center (marker /landmark) | Proximal radius [m] | Distal joint center (marker /landmark) | Distal radius [m] | Extra marker /landmark to define orientation (lateral) | Tracking markers (marker/ landmark) |
|---|---|---|---|---|---|---|---|---|
Segment | Segment Geometry | Segment mass fraction [kg/kg] | R.ASIS | L.ASIS | R.PSIS | L.PSIS | Tracking | |
Segment | Segment Type | Segment mass fraction [kg/kg] | Proximal, lateral (marker/landmark) | Proximal, medial (marker/landmark) | Distal, lateral (marker/landmark) | Distal, medial marker | Tracking markers /targets | |
Thigh (bilateral) | Cone | 0.1 | Pelvis_ RightThigh _score | 0.5*Distance(Right_Hip, Left_Hip) | RKJC | 0.5* Distance(RKNE, RKNEM) -(2*Marker_Base + Marker)) | F_RKNEE_L | RTHI, RTHIA, RTHII, RTHIP |
Intact-Side Shank (described for right) | Cone | 0.0465 | RKJC | 0.5*Distance(RKNE, RKNEM) -(2*Marker_Base + Marker)) | RAJC | 0.5*Distance(RANK, RANKM) -(2*Marker_Base + Marker)) | RANK | RTIB, RTIBA, RTIBI, RTIBP |
Prosthesis-Side Shank (described for right) | Custom** | 0.0465/3 | RKJC | 0.5*Distance(RKNE, RKNEM) -(2*Marker_Base + Marker)) | RAJC | 0.5*Distance(RANK, RANKM) -(2*Marker_Base + Marker)) | RANK | RTIB, RTIBA, RTIBI, RTIBP |
Foot (bilateral) | Cone | 0.0145 | RAJC | 0.5*Distance(RANK, RANKM) -(2*Marker_Base + Marker)) | RTOE | 0.5*Distance(RANK, RANKM) -(2*Marker_Base + Marker)) | RANK | R5FT, RHEE, RTOE |
Virtual Foot (bilateral) | Cone | (kinematic only) | RAJC_Floor | 0.01 | RTOE_Floor | 0.01 | R5FT_Floor | R5FT, RHEE, RTOE |
Thorax/ab (trunk, thorax/ abdomen) | Cylinder | 0.355 | SUP_ PELVIS | 0.5*Distance(RSHO, LSHO) | MID_CLC7 | 0.5*Distance(RSHO, LSHO) | THORAX_X | C7, CLAV, RBAK, STRN, T10 |
Upper arm (bilateral) | Cone | 0.028 | R_Shoulder _Center | 0.5*Distance(RELB, RELBM) -(2*Marker_Base + Marker)) | REJC | 0.5*Distance(RELB, RELBM) -(2*Marker_Base + Marker)) | RELB | R_Shoulder _Center, RELB, RUPA |
Forearm (bilateral) | Cone | 0.016 | REJC | 0.5*Distance(RELB, RELBM) -(2*Marker_Base + Marker)) | RWJC | 0.5*Distance(RWRA, RWRB) -(2*Marker_Base + Marker)) | RELB | RELB, RFRM, RWRA, RWRB |
Hand (bilateral) | Ellipsoid | 0.006 | RWJC | 0.5*Distance(RWRA, RWRB) -(2*Marker_Base + Marker)) | Right_distal _hand | 0.5*Distance(RWRA, RWRB) -(2*Marker_Base + Marker)) | RWRA | R5HD, RFIN, RWRA, RWRB |
Pelvis | V3D_ Composite | 0.142 | RASI | LASI | RPSI | LPSI | RASI, LASI, RPSI, LPSI, RILC, LILC | |
Head | Ellipsoid | 0.081 | Left_Base _Head | Right_Base _Head | Left_Top _Head | Left_Top _Head | LBHD, LEAR, LFHD, RBHD, REAR, RFHD |
