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Mark Hollands, Fuengfa Khobkhun, Amornpan Ajjimaporn, Rebecca Robins, and Jim Richards

recorded. A 10-minute break at the end of the practice trials and a 2-minute break between trials c were allowed, allowing full recovery after each trial. Data Analysis The Plug-in-Gait model (2002, Vicon©) was used to determine angular displacement of the head, thorax, pelvis, and left and right feet by

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Samuel E. Masters and John H. Challis

placed on the feet, shank, thigh, and pelvis and tracked at 300 Hz using a motion capture system (Motion Analysis Corporation, Santa Rosa, CA). There were 4 markers per segment to determine segment position and orientation, and an additional 15 markers on both the shank and thigh to quantify soft tissue

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Heather M. Hamilton and Rumit Singh Kakar

rating of perceived exertion using the Borg scale after each run was completed. 26 Figure 1 —Marker placement on the pelvis and lower extremity for kinematic data collection. Data Analysis All lower limb kinematic variables were processed and analyzed using Visual 3D (version 6, C-Motion, Inc). First

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Robert W. Norman, Stuart M. McGill, and James R. Potvin

doctoral student Dr. James Walton.) Dr. McGill expanded Norman’s work by developing a highly biofidelic model of the torso, pelvis, and legs, with a detailed focus on the anatomy and mechanics of the lumbar spine. In this way, the movement strategy of the individual was evaluated for skills required to

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Mindy F. Levin and Daniele Piscitelli

phrases in the literature are: “altered motor control of the pelvis,” “scapular motor control retraining,” or “motor control of the spine” (e.g.,  Aldabe et al., 2012 ; Hodges & Richardson, 1996 ; Worsley et al., 2013 ). Reading this, one might assume that the process of control of the pelvis, shoulder

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Jean-Francois Esculier, Jesse M. Charlton, Natasha M. Krowchuk, Julia De Pieri, and Michael A. Hunt

foot-off. 27 Modeled segments of the foot, shank, thigh, and pelvis were defined using a 6 degrees of freedom model and with the following definition markers: the foot segments were defined by markers placed on the second metatarsal head, fifth metatarsal head, calcaneus, and the ankle joint center

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Megan J. Schroeder, Samuel A. Acuña, Chandramouli Krishnan, and Yasin Y. Dhaher

-dimensional trajectories of 32 markers placed on the participant’s torso, pelvis, and lower extremities at 120 Hz while force plates collected ground reaction data at 2400 Hz. We used 3 force plates mounted within the walkway (AMTI, Watertown, MA), and 2 force plates mounted within the bottom steps of the

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John D. McCamley, Eric L. Cutler, Kendra K. Schmid, Shane R. Wurdeman, Jason M. Johanning, Iraklis I. Pipinos, and Sara A. Myers

footwear. This garment was necessary for the accurate marking of anatomical landmarks on the pelvis. 14 Standardized athletic footwear was provided to maintain uniform sole shape and material properties. The subjects wore a Nike Dart men’s walking shoe of the appropriate size. Athletic footwear was used