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Seth T. Strayer, Seyed Reza M. Moghaddam, Beth Gusenoff, Jeffrey Gusenoff and Kurt E. Beschorner

for D i . The foot-insole contact couple was modeled using an augmented Lagrange frictional contact formulation. It is a penalty-based method that employs a nondimensional stiffness factor between contacting bodies, which helps prevent penetration. Therefore, this approach minimized penetration in

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Abderrahmane Rahmani, Pierre Samozino, Jean-Benoit Morin and Baptiste Morel

¯ = ( m ul + m b ) · a b + ( m ul + m b ) · g + F f (1) where m ul  = upper-limb mass estimated as a fraction of body mass from Winter’s table 22 (10% of body mass for the 2 upper limbs), m b  = lifted mass, and F f  = the friction force of the guided system determined during a freefall test. F ¯ and

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Cindy N. Nguyen, Reuben N. Clements, Lucas A. Porter, Nicole E. Clements, Matthew D. Gray, Dustin J. Killian and Russell T. Baker

the guidelines of Eckner et al 14 , 24 using an official National Hockey League (NHL) hockey puck, a wooden dowel rod 7/16-in diameter, high friction tape, a pushpin, a saw, wood glue, a marker, a tape measure, a cordless drill, and a 3/8-in drill bit. These materials were compiled as a single unit

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Dan Goodley

occur in the space between—and in reverberation from each side of the binary relationality—of distinct oppositional positions; Disability–Ability Abnormality–Normality Impaired–Nonimpaired Crip–Normative Disruption–Status Quo Biopsychological–Biopolitical So, my call is for a frictional politics (a

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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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EDITORIAL Our Commitment to Diversity, Equity, and Inclusion Kellie C. Huxel Bliven PhD, ATC 12 08 2020 1 09 2020 29 7 859 859 10.1123/jsr.2020-0325 jsr.2020-0325 ORIGINAL RESEARCH REPORT Deep Friction Massage in the Management of Patellar Tendinopathy in Athletes: Short-Term Clinical Outcomes

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Corall S. Hjert and Cynthia J. Wright

exert pressure on soft tissues. 3 This intentional movement results in both direct and sweeping pressure over the involved tissue, which causes stretching to occur and generates friction. 3 Mechanisms of SMR are often divided into mechanical and neurophysiological effects. 10 For example, mechanical

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John Strickland and Grant Bevill

other protective conditions, including unprotected (no headgear/facemask, as a “baseline”) and a hockey-style catcher’s mask. Methods The overall test assembly consisted of a Hybrid III 50th percentile male head/neck assembly mounted on a set of low-friction, linear rails. A pneumatic cannon, consisting

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Stephanie Di Lemme, Jon Sanderson, Richard G. Celebrini and Geoffrey C. Dover

ultrasound 1 Blood flow restriction BFR KN ext 1 × 30 3 × 15 2.25 1 BFR ANK pf/df 1 × 30 3 × 15 1 BFR SL jump on Shuttle MVP 1 × 30 3 × 15 1 band 1 Treatment ankle and foot Friction ATFL, deltoid 5 Friction ATFL, deltoid 6 Mob TC joint DF grade III 4 Mob TC joint DF grade III 5 Mob cuboid dorsal grade III 4

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Isabel Mayer, Matthias W. Hoppe, Jürgen Freiwald, Rafael Heiss, Martin Engelhardt, Casper Grim, Christoph Lutter, Moritz Huettel, Raimund Forst and Thilo Hotfiel

finding of decreased connective tissue stiffness in EA and a not significant increase in NEA associated with FR could be also explained by changes in the sympathetic nervous system and changed peripheral and central nervous pain perception due to repeated external load and friction. Changes in