Abstract
The current phenomenon of barefoot running appears to have facilitated a near market saturation of conceptual barefoot-related footwear. It is no wonder since the related literature has demonstrated favourable impact-moderating adaptations (De Clercq et al. 1994, Squadrone and Gallozzi 2009, Lieberman et al. 2010) and provided evolutionary (Lieberman et al. 2010) and philosophical perspectives (Oschman 2008). The Vibram FiveFingers is one such concept and its efficacy has been demonstrated in the literature where external reaction forces, oxygen uptake kinetics and lower extremity kinematics have been shown to demonstrate no significant differences compared to a barefoot running (Squadrone and Gallozzi 2009). The kinematic variables however, were constrained to discrete sagittal plane timing events; therefore, a more robust method of discriminating between temporal kinematic changes is warranted. Such a method can be derived from the coefficient of cross correlation (CCC) (Li and Caldwell 1999).
Highlights
The current phenomenon of barefoot running appears to have facilitated a near market saturation of conceptual barefootrelated footwear
The Vibram FiveFingers® is one such concept and its efficacy has been demonstrated in the literature where external reaction forces, oxygen uptake kinetics and lower extremity kinematics have been shown to demonstrate no significant differences compared to a barefoot running (Squadrone & Gallozzi, 2009)
Barefoot walking demonstrated a significantly earlier phase shift in sagittal plane ankle and knee kinematics when compared to the Vibram FiveFingers® (VIB) and SS (Table 1; Figure 1)
Summary
The current phenomenon of barefoot running appears to have facilitated a near market saturation of conceptual barefootrelated footwear. It is no wonder since the related literature has demonstrated favourable impact-moderating adaptations (De Clercq et al, 1994; Squadrone & Gallozzi, 2009; Lieberman et al, 2010) and provided evolutionary (Lieberman et al 2010) and philosophical perspectives (Oschman, 2008). The kinematic variables were constrained to discrete sagittal plane timing events; a more robust method of discriminating between temporal kinematic changes is warranted. Such a method can be derived from the coefficient of cross correlation (CCC) (Li & Caldwell, 1999).
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