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Robotic Devices to Enhance Human Movement Performance

Daniel P. Ferris and Bryan R. Schlink

Robotic exoskeletons and bionic prostheses have moved from science fiction to science reality in the last decade. These robotic devices for assisting human movement are now technically feasible given recent advancements in robotic actuators, sensors, and computer processors. However, despite the ability to build robotic hardware that is wearable by humans, we still do not have optimal controllers to allow humans to move with coordination and grace in synergy with the robotic devices. We consider the history of robotic exoskeletons and bionic limb prostheses to provide a better assessment of the roadblocks that have been overcome and to gauge the roadblocks that still remain. There is a strong need for kinesiologists to work with engineers to better assess the performance of robotic movement assistance devices. In addition, the identification of new performance metrics that can objectively assess multiple dimensions of human performance with robotic exoskeletons and bionic prostheses would aid in moving the field forward. We discuss potential control approaches for these robotic devices, with a preference for incorporating feedforward neural signals from human users to provide a wider repertoire of discrete and adaptive rhythmic movements.

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Impact of Biomechanics Research on Society

Ronald F. Zernicke, Grant C. Goulet, Peter R. Cavanagh, Benno M. Nigg, James A. Ashton-Miller, Heather A. McKay, and Ton van den Bogert

As a field, biomechanics comprises research from the molecular and cellular levels, to tissues, to organs, to organisms and their movements. In the past 50 years, the impact of biomechanics research on society has been amplified dramatically. Here, we provide five brief summaries of exemplar biomechanics results that have had substantial impact on health and our society, namely 1) spaceflight and microgravitational effects on musculoskeletal health; 2) impact forces, soft tissue vibrations, and skeletal muscle tuning affecting human locomotion; 3) childbirth mechanics, injuries, and pelvic floor dysfunction; 4) prescriptive physical activity in childhood to enhance skeletal growth and development to prevent osteoporotic fractures in adulthood and aging; and 5) creative innovations in technology that have transformed the visual arts and entertainment.

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A Systems Perspective on Postural and Gait Stability: Implications for Physical Activity in Aging and Disease

Richard E.A. van Emmerik, Stephanie L. Jones, Michael A. Busa, and Jennifer L. Baird

Postural instability, falls, and fear of falling that accompany frailty with aging and disease form major impediments to physical activity. In this article we present a theoretical framework that may help researchers and practitioners in the development and delivery of intervention programs aimed at reducing falls and improving postural stability and locomotion in older individuals and in those with disability due to disease. Based on a review of the dynamical and complex systems perspectives of movement coordination and control, we show that 1) central to developing a movement-based intervention program aimed at fall reduction and prevention is the notion that variability can play a functional role and facilitate movement adaptability, 2) intervention programs aimed at fall reduction should focus more on coordination and stability boundary measures instead of traditional gait and posture outcome variables, and 3) noise-based intervention techniques using stochastic resonance may offer external aids to improve dynamic balance control.

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Clinical Biomechanics: Contributions to the Medical Treatment of Physical Abnormalities

Joseph Hamill, George Gorton, and Peter Masso

Biomechanics is defined as the application of the laws of mechanics to the study or structure and function of movement. It is a relatively new subdiscipline to the domain of kinesiology. Biomechanics was initially closely associated with the study of sports technique. However, over the years, biomechanics has taken on a much more diverse field of study. In this paper, we will describe the contributions that biomechanics has made to the area of clinical biomechanics research in terms of clinical assessment and outcomes and the design of clinical apparatus. The first example examines a clinical assessment of a cerebral palsy child. The goals of such a clinical assessment are 1) to determine the primary problems with the locomotion capabilities of the individual, 2) to recommend treatment options, and 3) to evaluate treatment outcomes. In the second example, a procedure is described for designing braces for scoliosis patients. For this example, a three-dimensional digital twin is developed using a scanning technique. This example illustrates the research conducted on developing a technique to noninvasively and safely determine the torso deformities resulting from scoliosis. While these examples are but two of a wide variety of examples that could be used, they illustrate the contribution of biomechanics to the clinical world.

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Biomechanics: 40 Years On

Joseph Hamill, Kathleen M. Knutzen, and Timothy R. Derrick

perturbations has been prevalent in the biomechanics literature. There are numerous biomechanical and physiological studies in the literature comparing different locomotion states: walking and running ( Ounpuu, 1994 ); uphill, level, and downhill ( Vernillo et al., 2017 ); males and females both walking and

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An Excellent Adventure on Some Roads Less Traveled

David I. Anderson

syllabus. Everything changed the summer after I taught my first semester at SFSU, when I had a chance to hear Joe Campos (from UC Berkeley) give an invited talk on his research on self-produced locomotion and psychological development at the annual conference of the North American Society for the

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The Past Is Prologue: A Developmental Kinesiologist’s Journey Up a Mountain

Jane E. Clark

and development of an infant’s locomotion, especially if the infant is the doctoral student’s first-born? Indeed, our study and the filming of that infant’s walking resulted in a line of research that we pursued for decades. Important take-home message: Serendipity is an important force in research

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Motor Development: A Perspective on the Past, the Present, and the Future

Jane E. Clark and Jill Whitall

Review, 7 ( 2 ), 99 – 114 . https://doi.org/10.1123/kr.2018-0011 10.1123/kr.2018-0011 Anderson , D.I. , Campos , J.J. , Witherington , D.C. , Dahl , A. , Rivera , M. , He , M. , . . . Barbu-Roth , M. ( 2013 ). The role of locomotion in psychological development . Frontiers in

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The Somatic Work of Thomas Hanna, Tai Chi, and Kinesiology

Bradford C. Bennett

fact is demonstrated on a gross level by the flips and twists of divers and gymnasts or even a child doing a cartwheel. Furthermore, research reveals the importance of organizing our movement around the total body CoM in daily tasks such locomotion. A striking feature of the gait of children with

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Reflections on Research in Kinesiology

Karl M. Newell

and their role in fostering a healthy lifestyle ( Spirduso, Francis, & MacRae, 2004 ). This trend has enhanced research interest in the fundamental motor skills of posture, locomotion, and object interactions, particularly in the contrasting life-span age groups of children and older adults ( Newell