Keywords impact forces, footwear, skateboarding, biomechanics, bipedal
Introduction Skateboarding is a globally participated and popular sport with a reported participation of over 11 million in the United States alone (SGMA, 2007). Published epidemiological studies have stated the signiﬁcant incidence of musculoskeletal injuries associated with skateboarding (Frederick, Determan, Whittlesey, & Hamill, 2006). The inherent nature of skateboarding makes it difﬁcult to quantify using standard laboratory methods. In-ﬁeld protocols have been attempted to quantify the metabolic demands of the activity, while only partial segments of a given movement have been quantiﬁed from a biomechanics perspective (Frederick et al., 2006; Hetzler, Hunt, Stickley, & Kimura, 2011). Therefore, unique methods of testing are necessary to develop a complete understanding behind the basic movements of skateboarding.