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Frank E. DiLiberto, Deborah A. Nawoczenski and Jeff Houck

]: walking = 43.2% [7.4%]; standard step = 41.2% [8.5%]; high step =34.9% [7.2%] stance). Sagittal plane ankle and midfoot joint powers were calculated as the product of joint torques and relative segment to segment angular velocities (τ·ω). 12 The ankle and midfoot positive and negative total powers were

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Jeffrey C. Cowley, Steven T. McCaw, Kelly R. Laurson and Michael R. Torry

a result of differences in group habitus, the jump height of each participant was scaled to standing height (jump [in centimeters]/height [in centimeters] and mass (jump [in centimeters]/mass [in kilograms], respectively. Joint torques and joint mechanical powers of the hip, knee, and ankle joints

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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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Nathan F. Johnson, Chloe Hutchinson, Kaitlyn Hargett, Kyle Kosik and Phillip Gribble

&R test. Stretching-induced changes in flexibility were associated with changes in functional performance. The details of these findings and their implications are discussed below. Static stretching improves flexibility, joint range of motion, and joint torque. 25 – 28 Older adult fallers display reduced

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Walaa M. Elsais, Stephen J. Preece, Richard K. Jones and Lee Herrington

, confidence in EMG measurements can be developed by investigating the relationship between joint torque and EMG amplitude. Previous research has shown relationships between EMG amplitude and isometric torque in different lower limb muscles, such as rectus femoris (RF), vastus medialis, and vastus lateralis

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Danny M. Pincivero, Rachael R. Polen and Brittany N. Byrd

: 21804300 doi:10.2114/jpa2.30.169 21804300 10.2114/jpa2.30.169 7. Fukunaga T , Miyatani M , Tachi M , Kouzaki M , Kawakami Y , Kaneshisa H . Muscle volume is a major determinant of joint torque in humans . Acta Physiol Scand . 2001 ; 172 : 249 – 255 . doi:10.1046/j.1365-201x.2001.00867.x

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Thomas M. Comyns, Eamonn P. Flanagan, Sean Fleming, Evan Fitzgerald and Damian J. Harper

stiffness during eccentric phase in rebound jumps on ankle joint torque at midpoint . Int J Sports Med . 2007 ; 28 ( 1 ): 66 – 71 . PubMed ID: 17024641 doi:10.1055/s-2006-923903. 10.1055/s-2006-923903 17024641 17. McBride JM , McCaulley GO , Cormie P . Influence of preactivity and eccentric

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Josu Gomez-Ezeiza, Jordan Santos-Concejero, Jon Torres-Unda, Brian Hanley and Nicholas Tam

.1080/02640414.2013.777763 10. Hoga K , Ae M , Enomoto Y , Fujii N . Athletics: mechanical energy flow in the recovery leg of elite race walkers . Sport Biomech . 2003 ; 2 ( 1 ): 1 – 13 . doi:10.1080/14763140308522804 10.1080/14763140308522804 11. Hoga K , Ae M , Enomoto Y , et al . Joint torque and

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David Cruz-Díaz, Kyung-Min Kim, Fidel Hita-Contreras, Marco Bergamin, Agustin Aibar-Almazán and Antonio Martínez-Amat

mechanics during functional tasks and self-reported impaired function. 11 The flexed position in the lower limbs during Tai Chi practice is possibly linked to improvements in the range of motion of the ankle joint, as well as in the ankle joint torque force, identified as a contributing factor for postural

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Jeffrey G. Williams, Lauryn Darnall and Conrad Schumann

– 436 . PubMed ID: 24214927 doi:10.1177/0363546513508537 24214927 10.1177/0363546513508537 2. Aguinaldo AL , Buttermore J , Chambers H . Effects of upper trunk rotation on shoulder joint torque among baseball pitchers of various levels . J Appl Biomech . 2007 ; 23 ( 1 ): 42 – 51 . PubMed ID