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A new protocol for upper limb clinical walker-assisted gait analysis

In clinical gait labs it is not uncommon to evaluate patients forced to walk with various walking aids such as anterior and posterior walkers, but the analysis is generally restricted to the lower limbs only. This study aimed at developing a novel inverse dynamics protocol to study trunk and upper limb kinematics and kinetics during walker-assisted gait by using load cells easily fixable and adaptable to the subject's own walker. The most appropriate coordinate system to be used for representing joint reaction forces and moments in an anatomically consistent way is also discussed. Future integration of this model with a traditional lower limbs model will allow full-body kinematic and kinetic gait analysis.