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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

width compared with their healthy counterparts 8 ; these are present from the first steps the patient takes before he or she experiences any claudication symptoms. 9 , 10 Similarly, several studies have revealed altered or abnormal joint torques and powers, particularly at the ankle and hip, for PAD

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Jessie M. Huisinga, Kendra K. Schmid, Mary L. Filipi and Nicholas Stergiou

Patients with multiple sclerosis (MS) experience abnormal gait patterns and reduced physical activity. The purpose of this study was to determine if an elliptical exercise intervention for patients with MS would change joint kinetics during gait toward healthy control values. Gait analysis was performed on patients with MS (n = 24) before and after completion of 15 sessions of supervised exercise. Joint torques and powers were calculated, while also using walking velocity as a covariate, to determine the effects of elliptical exercise on lower extremity joint kinetics during gait. Results show that elliptical exercise significantly altered joint torques at the ankle and hip and joint powers at the ankle during stance. The change in joint power at the ankle indicates that, after training, patients with MS employed a walking strategy that is more similar to that of healthy young adults. These results support the use of elliptical exercise as a gait training tool for patients with MS.

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Luis F. Áragón-Vargas and M. Melissa Gross

The purpose of this study was to examine the changes in both the coordination patterns of segmental actions and the dynamics of vertical jumping that accompany changes in vertical jump performance (VJP) occurring from trial to trial in single subjects. Ground reaction forces and video data were analyzed for 50 maximal vertical jumps for 8 subjects. It was possible to predict VJP from whole-body or even segmental kinematics and kinetics in spite of the small jump performance variability. Best whole-body models included peak and average mechanical power, propulsion time, and peak negative impulse. Best segmental models included coordination variables and a few joint torques and powers. Contrary to expectations, VJP was lower for trials with a proximal-to-distal sequence of joint reversals.

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Seung-uk Ko, Gerald J. Jerome, Eleanor M. Simonsick and Luigi Ferrucci

to improve walking in older adults . Current Translational Geriatrics and Experimental Gerontology Reports, 2 ( 4 ), 230 – 238 . doi: 10.1007/s13670-013-0059-0 DeVita , P. , & Hortobagyi , T. ( 2000 ). Age causes a redistribution of joint torques and powers during gait . Journal of Applied

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Mary Hellen Morcelli, Dain Patrick LaRoche, Luciano Fernandes Crozara, Nise Ribeiro Marques, Camilla Zamfolini Hallal, Mauro Gonçalves and Marcelo Tavella Navega

-6362(03)00062-6 10.1016/S0966-6362(03)00062-6 15013508 28. DeVita P , Hortobagyi T . Age causes a redistribution of joint torques and powers during gait . J Appl Physiol . 2000 ; 88 ( 5 ): 1804 – 1811 . PubMed ID: 10797145 doi:10.1152/jappl.2000.88.5.1804 10797145 10.1152/jappl.2000.88.5.1804 29. Pua YH

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Rebecca L. Krupenevich and Ross H. Miller

Foundation Doctoral Student Research Grant from the American College of Sports Medicine Foundation and the University of Maryland’s Department of Kinesiology Graduate Student Research Initiative Fund . References 1. DeVita P , Hortobagyi T . Age causes a redistribution of joint torques and powers

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

: a comparison between individuals with acromegaly and healthy subjects . Journal of Aging and Physical Activity, 25 ( 2 ), 218 – 227 . PubMed doi:10.1123/japa.2016-0100 10.1123/japa.2016-0100 Devita , P. , & Hortobagyi , T. ( 2000 ). Age causes a redistribution of joint torques and powers

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Katie A. Conway and Jason R. Franz

, 116 ( 3 ), 525 – 538 . PubMed ID: 9372302 doi:10.1007/PL00005781 10.1007/PL00005781 DeVita , P. , & Hortobagyi , T. ( 2000 ). Age causes a redistribution of joint torques and powers during gait . Journal of Applied Physiology, 88 ( 5 ), 1804 – 1811 . doi:10.1152/jappl.2000.88.5.1804 10

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Jake A. Melaro, Ramzi M. Majaj, Douglas W. Powell, Paul DeVita and Max R. Paquette

speed of walking . Med Sci Sports Exerc . 1988 ; 20 ( 2 ): 161 – 166 . PubMed ID: 3367751 doi:10.1249/00005768-198820020-00010 10.1249/00005768-198820020-00010 3367751 13. DeVita P , Hortobagyi T . Age causes a redistribution of joint torques and powers during gait . J Appl Physiol . 2000; 88

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Deborah Hebling Spinoso, Nise Ribeiro Marques, Dain Patrick LaRoche, Camilla Zamfollini Hallal, Aline Harumi Karuka, Fernanda Cristina Milanezi and Mauro Gonçalves

. Medicine & Science in Sports & Exercise, 29 ( 5 ), 713 – 717 . PubMed ID: 9140912 doi:10.1097/00005768-199705000-00020 10.1097/00005768-199705000-00020 DeVita , P. , & Hortobagyi , T. ( 2000 ). Age causes a redistribution of joint torques and powers during gait . Journal of Applied Physiology