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Locating the position of the hip joint centre (HJC) is an important part of lower limb modeling for gait analysis. Regression equations have been used in the past but a range of functional calibration methods are now available. This study compared the accuracy of HJC localization from two sets of regression equations and five different functional(More)
The effects of a cutaneous imperative stimulus trigger cue (sural nerve stimulation) versus visual cuing of rapid step initiation were assessed in young, healthy subjects (n = 18). Two sets of experiments were conducted in which the vertical ground reaction force and EMG in tibialis anterior (TA) and gluteus medius (GM) were recorded in nine subjects and(More)
This systematic review and critical evaluation of the literature investigates whether advanced age compromises obstacle crossing for unconstrained and time-constrained conditions. Eight electronic databases were searched for articles with terms relating to obstacle crossing during walking in their title, abstract or keywords. 15 articles were reviewed from(More)
This study aims to determine optimal locations on the lower limbs for skin-mounted markers representing the tibial segment in three-dimensional (3D) gait analysis. It was predicted that markers located on the anterior tibial crest and malleoli would be least susceptible to soft tissue movement. Ten retro-reflective markers were attached to each tibial(More)
Functional calibration techniques have been proposed as an alternative to regression equations for estimating the position of the hip within the pelvic co-ordinate system for clinical gait analysis. So far validation of such techniques has focussed on healthy adults. This study evaluated a range of techniques based on regression equations or functional(More)
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