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Chen Deng, Jason C. Gillette and Timothy R. Derrick

Review Board. Body mass, height, and right lower extremity segment lengths, widths, and circumferences were measured. Eighteen reflective markers were placed on anatomical landmarks of the trunk, pelvis, and right lower extremity with a minimum of 3 markers/segment: toe, heel for the foot segment

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Anna C. Severin, Brendan J. Burkett, Mark R. McKean, Aaron N. Wiegand and Mark G.L. Sayers

ethics approval. Instrumentation This study used six 100-Hz inertial sensors (Nanotrak; Catapult Sports, Docklands, Australia) to track trunk, pelvis, and lower limb kinematics. Inertial sensors are a validated tool for kinematic analyses ( Cuesta-Vargas, Galán-Mercant, & Williams, 2010 ; Steins, Dawes

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Kym J. Williams, Dale W. Chapman, Elissa J. Phillips and Nick Ball

to define the foot (calcaneus, proximal phalanx of the big toe, and proximal phalanx of little toe), pelvis (left and right anterior superior iliac spine and posterior superior iliac spine), and trunk (clavicle, sternum, C7 vertebra, and T10 vertebra). 29 The athlete’s center-of-mass (COM) position

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Nathaniel S. Nye, Drew S. Kafer, Cara Olsen, David H. Carnahan and Paul F. Crawford

lower extremity, pelvis/spine, or upper extremity during this period. Those with nonmusculoskeletal injuries, such as concussions or skin lacerations, were not excluded. Furthermore, those with a documented diagnosis of any one or more possible confounding conditions were completely excluded from the

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Lauren A. Brown, Eric E. Hall, Caroline J. Ketcham, Kirtida Patel, Thomas A. Buckley, David R. Howell and Srikant Vallabhajosula

clinical setting along with gait testing by clinicians. This is particularly important because turning is a complex motor task that involves multisegmental rotation and temporal coordination of head, trunk, and pelvis while maintaining postural stability of the whole body. Previous research reported that

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Nicola Relph and Katie Small

average was taken. This task is correlated to a forward running technique. 20 Lower-Limb Flexibility Two experienced athletic trainers took flexibility measurements on both legs, with consistent roles in each protocol. The pelvis was stabilized to avoid compensatory movements in hip measurements. The

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Dimitrios-Sokratis Komaris, Cheral Govind, Andrew Murphy, Alistair Ewen and Philip Riches

of the position of the hands, irregular movement strategies were classified and clustered among the 3 major clusters of the 3-cluster solution. At trials A3, A4, and Q5, participants kept their hand(s) close to the seat at the height of their pelvis until completion of the standing movement. As a

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Matthew D. Freke, Kay Crossley, Trevor Russell, Kevin J. Sims and Adam Semciw

-executed SLSq consists of an erect trunk, a level pelvis (frontal plane), a neutral hip position with no internal rotation (IR) or adduction, and the central knee aligned over the second toe during motion. 7 One of the key measures of lower limb dysfunction during SLSq is knee valgus. Knee valgus, which can

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Yi-Ju Tsai, Chieh-Chie Chia, Pei-Yun Lee, Li-Chuan Lin and Yi-Liang Kuo

participation in volleyball grows, it is necessary to have effective prevention programs for knee injuries in volleyball athletes. Core stability is defined as the ability to control the position and movement of the trunk over the pelvis. 5 Anatomically, the region between the diaphragm, abdominal muscles

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Genki Hatano, Shigeyuki Suzuki, Shingo Matsuo, Satoshi Kataura, Kazuaki Yokoi, Taizan Fukaya, Mitsuhiro Fujiwara, Yuji Asai and Masahiro Iwata

during stretching (B) as seen from the left side. (A) The seat of the dynamometer was maximally raised, and a wedge-shaped cushion was inserted between the trunk and backrest, creating a seat face-back angle of approximately 60°. The subjects were seated in this position and their chest, pelvis, and