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Joshua Nimmins, Ben Strafford and Joseph Stone

of construction, the metallic puck experienced ∼40% less friction on the ice compared to the regulation vulcanized rubber pucks and therefore did not represent the puck specific affordances present in a game situation (e.g., friction between the puck and ice) ( Pinder, Davids, Renshaw, & Araújo, 2011

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Wai-Ting Lo, Kit-Lun Yick, Newman Lau, Lok-Tung Tse, Sun-Pui Ng and Joanne Yip

) 21.1 18.8 Hardness (Shore A) ASTM D 2240 20 32 Coefficient of friction 0.69 0.78 Compression (kPa) ISO 3386-1 1607 13713 Force reduction (%) ASTM D 2632 70.1 54.2 Bending stiffness (N mm) 55.02 22.23 Experimental Protocol The experiment involved two components as shown in Figure  2 ; one in which the

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James R. Chagdes, Joshua J. Liddy, Amanda J. Arnold, Laura J. Claxton and Jeffrey M. Haddad

only examined AP sway, the predicted CoP errors apply to ML sway as well. This is because the CoP (and CoB) calculated in the AP direction are only a result of vertical force, the torque applied at the foot, and horizontal frictional forces; thus, no amount of ML motion can change the CoP (or CoB

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Blandine Bril

the turn, the dancer must exert a torque on the floor resulting in the production of a turning motion. The speed of the turn, which depends on the amount of friction with the ground, is also an important characteristic of the constraints on the movement and is controlled through the vertical impulse

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Alanna Weisberg, Alexandre Monte Campelo, Tanzeel Bhaidani and Larry Katz

, monitors with hypoallergenic materials, medical grade tubing, and soft corners should be considered ( Dall et al., 2018 ; Turner-McGrievy et al., 2019 ). Users reported skin irritation after wearing devices for a prolonged time, after sweating, or after getting them wet, primarily due to friction against

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K. Andrew R. Richards, Colin G. Pennington and Oleg A. Sinelnikov

have been suggested for reducing friction during induction. A positive student-teaching experience ( Graber, 1998 ) and induction-assistance initiatives eased the transition for beginning teachers by connecting them with school leaders and creating a supportive environment, but these initiatives must