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Daniel Hamacher, Dennis Hamacher, Roy Müller, Lutz Schega and Astrid Zech

variability of minimum foot clearances (local minimum foot-ground distance during swing phases) or minimum toe clearance (MTC) may be an even more promising gait parameter for gauging gait control and perhaps eventually the risk of falling. In a recent review ( Barrett, Mills, & Begg, 2010 ), it was suggested

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Dennis Hamacher, Daniel Hamacher, Kathrin Rehfeld, Anita Hökelmann and Lutz Schega

Dancing is a complex sensorimotor activity involving physical and mental elements which have positive effects on cognitive functions and motor control. The present randomized controlled trial aims to analyze the effects of a dancing program on the performance on a motorcognitive dual task. Data of 35 older adults, who were assigned to a dancing group or a health-related exercise group, are presented in the study. In pretest and posttest, we assessed cognitive performance and variability of minimum foot clearance, stride time, and stride length while walking. Regarding the cognitive performance and the stride-to-stride variability of minimum foot clearance, interaction effects have been found, indicating that dancing lowers gait variability to a higher extent than conventional health-related exercise. The data show that dancing improves minimum foot clearance variability and cognitive performance in a dual-task situation. Multi-task exercises (like dancing) might be a powerful tool to improve motor-cognitive dual-task performance.

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Lauren C. Benson, Stephen C. Cobb, Allison S. Hyngstrom, Kevin G. Keenan, Jake Luo and Kristian M. O’Connor

. Minimum foot clearance during walking: strategies for the minimisation of trip-related falls . Gait Posture . 2007 ; 25 ( 2 ): 191 – 198 . PubMed ID: 16678418 doi:10.1016/j.gaitpost.2006.03.008 16678418 10.1016/j.gaitpost.2006.03.008 3. Nagano H , James L , Sparrow WA , Begg RK . Effects

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Rob van der Straaten, Oren Tirosh, William A. (Tony) Sparrow and Rezaul Begg

’Oro L , Taylor S . Minimum foot clearance during walking: strategies for the minimisation of trip-related falls . Gait Posture . 2007 ; 25 : 191 – 198 . PubMed ID: 16678418 doi:10.1016/j.gaitpost.2006.03.008 16678418 10.1016/j.gaitpost.2006.03.008 3. Patla A , Rietdyk S . Visual control of

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Deborah A.M. Jehu, Nicole Paquet and Yves Lajoie

feet apart to two steps after the last obstacle. Minimum foot clearance was calculated by taking the minimum vertical distance between the dominant toe as well as the swing toe leading up to the anterior side of the obstacle, as well as the lowest point between the trailing swing heel and the posterior

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Daniel M. Grindle, Lauren Baker, Mike Furr, Tim Puterio, Brian Knarr and Jill Higginson

’Oro L , Taylor S . Minimum foot clearance during walking: strategies for the minimization of trip-related falls . Gait Posture . 2007 ; 25 ( 2 ): 191 – 198 . doi:10.1016/j.gaitpost.2006.03.008 10.1016/j.gaitpost.2006.03.008 23. Brand RA . The biomechanics and motor control of human gait: normal

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

, R. , Dell’Oro , L. , & Taylor , S. ( 2007 ). Minimum foot clearance during walking: strategies for the minimisation of trip-related falls . Gait and Posture, 25 , 191 – 198 . PubMed doi:10.1016/j.gaitpost.2006.03.008 10.1016/j.gaitpost.2006.03.008 Buckley , T. , Pitsikoulis , C

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Edgar R. Vieira, Ruth Tappen, Sareen S. Gropper, Maria T. Severi, Gabriella Engstrom, Marcio R. de Oliveira, Alexandre C. Barbosa and Rubens A. da Silva

.1532-5415.2002.50218.x 10.1046/j.1532-5415.2002.50218.x Rote , S. , & Markides , K. ( 2014 ). Aging, social relationships, and health among older immigrants . Generations, 38 ( 1 ), 51 – 57 . Sato , K. ( 2015 ). Factors affecting minimum foot clearance in the elderly walking: a multiple

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Deborah A. Jehu, Yves Lajoie and Nicole Paquet

foot clearance was calculated by taking the minimum vertical distance between the dominant toe as well as the swing toe leading up to the anterior side of the obstacle, as well as the minimum distance between the trailing swing heel and the posterior side of the obstacle. A marker was placed on the