Joint moments external · lab frame · N·m · bars ±150
Knee (KJC)
Mxsagittal
Myfrontal
Mztransverse
Ankle (AJC)
Mxsagittal
Myfrontal
Mztransverse
Mjoint = R·Mcell + (rcell − rjoint) × R·Fcell · static stance, distal mass neglected
Ground reaction force red vector, CoP → terminal end
N
Rollover
heelflat foottoe
XYZ
CoP
End
CoP is inside the foot contact area.
iPecs output sensor frame · origin at cell centre
Offsets measured in the shank frame, cm
Proximalcell → KJC
Distalcell → floor