Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 41 for “"Metabolic Cost"”.
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Metabolic Cost of Hatha Yoga
No abstract prepared.
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The Metabolic Cost of Selected Gymnastic Routines
Made available in DSpace on 2014-12-10T18:06:58Z (GMT). No. of bitstreams: 1 6808243.pdf: 4130320 bytes, checksum: 5b1275fe7b21ae5c0d3fef91789d1b33 (MD5) Previous issue date: 1967
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Metabolic Cost of Aerobic Dance Bench Stepping at Varying Cadences
… cadence and bench height when determining metabolic cost of aerobic dance bench stepping. The purpose of this study was to determine the acute metabolic and cardiovascular responses of aerobic dance bench stepping at 6 and 8 inch bench heights at cadences of 125 and 130 beats min -1. …
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Autonomous active ankle exo-skeleton devices provide metabolic cost reduction
… an experiment that looks to confirm the metabolic cost decrease associated with the usage of an autonomous active ankle exoskeleton. The primary method to identify the associated metabolic costs was through the comparison of cardiovascular and respiratory activity during gait with and …
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Thermoregulatory Mechanisms and Metabolic Cost of Heat Production in the Moth, Hyalophora Cecropia
Made available in DSpace on 2014-12-11T22:22:08Z (GMT). No. of bitstreams: 1 7114780.pdf: 2863177 bytes, checksum: 132be3654533ebb37b2d88c85a55b4c8 (MD5) Previous issue date: 1970
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THE METABOLIC COST OF SLOW GRADED TREADMILL WALKING WITH A WEIGHTED VEST IN UNTRAINED FEMALES
… exercise routine due its accessibility, low cost, and health benefits. For beginning exercisers or those with conditions that limit walking speeds, modifications to walking programs are needed to facilitate cardiorespiratory improvement. Purpose: To examine how oxygen consumption (VO2), …
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ON THE METABOLIC AND MECHANICAL DEMANDS OF WALKING: THE EFFECTS OF SLIDING FRICTION, LIMB SWING WORK, AND BOUT DURATION.
Researchers have long investigated the metabolic and mechanical demands of locomotion. Discoveries in such field not only have advanced our understanding of the physiology of movement and energy transformations, but have also impacted anthropology, zoology, sports science, and clinical medicine. …
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Design of a quasi-passive parallel leg exoskeleton to augment load carrying for walking
… to build a leg exoskeleton to reduce the metabolic cost of walking while carrying a load. A quasi-passive, leg exoskeleton is presented that is designed to assist the human in carrying a 75 lb payload. The exoskeleton structure runs parallel to the legs, transferring payload forces to the …
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Design and evaluation of a biomimetic agonist-antagonist active knee prosthesis
… asymmetry, decreased walking speeds and high metabolic energy costs are some of the main challenges requiring the development of a new kind of prosthetic device. These challenges point to the need for highly versatile, fully integrated lower-extremity powered prostheses that can replicate the …
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Design of a spring-integrated crutch for ascending stairs
… that spans the elbow joint could reduce the metabolic cost of crutching up stairs. The elastic element stores energy when compressed by the biceps; the stored energy then aids the triceps in levering the user up the stairs. This thesis developed a safer, sleeker, and more comfortable …
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Autonomous powered exoskeleton to improve the efficiency of human walking
… autonomous leg exoskeletons that reduce the metabolic energy consumed when humans walk and run, but such technologies have traditionally remained unachievable. In this thesis, I present the Augmentation Factor, a simple model that predicts the metabolic impact of lower limb exoskeletons …
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Development and Applications of Neuromusculoskeletal Modeling Software for Personalized Treatment Design
… 2) enhanced that infrastructure with metabolic cost modeling, and 3) applied that infrastructure to pelvic sarcoma surgery. We showed that it was possible to develop a cohesive framework to generate personalized neuromusculoskeletal walking models. This framework was further enhanced …
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EMG-Based Human-in-the-Loop Bayesian Optimization to Assist Hip-Centric Activities
… in 4 minutes 40 seconds and yields 21\% lower metabolic cost with 17\% lower EMG. In walking (n=11), a multi-objective formulation balancing EMG and user preference identifies personalized controllers in 11-12 minutes, reducing metabolic cost by 14.9\% while improving perceived exertion by …
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A data-driven neuromuscular model of walking and its application to prosthesis control
… tendon elasticity to more accurately predict the metabolic consumption of walking than conventional models. Paired with a reflex-based neural drive the model has been applied in the control of a robotic ankle-foot prosthesis, producing speed adaptive behavior. Current neuromuscular models …
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Development of an Industrially Deployable Personalized Ankle–Foot Orthosis System
… equipment and slow optimization methods based on metabolic cost. To address these limitations, this research integrates physiological personalization with a portable hardware platform to realize a truly field-ready assistive system. The research begins by establishing a practical method for …
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Biomechanical Assessment and Metabolic Evaluation of Passive Lift-Assistive Exoskeletons During Repetitive Lifting Tasks
… on reducing the activity of back muscles and metabolic reduction. The main objective of this dissertation is to render an overview of three studies that attempt to improve the literature by providing comprehensive biomechanical evaluations and metabolic assessments of three passive …
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Development and evaluation of biarticular transtibial prostheses for level-ground amputee walking
… while motion, force, electromyographic, and metabolic data were collected. Data were analyzed to determine differences resulting from the activation of each knee orthosis, compared to the orthosis behaving as a free-joint. We hypothesized that the active conditions would reduce joint kinetic …
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Are Chemical Defenses Allocated within Sponges to Defend Regions Most at Risk to Predator Attack?
… may provide adequate protection at minimal metabolic cost. This study examined chemical defense allocation within three sponge species from a temperate reef by investigating the predictions that: concentrations of chemical defenses are 1) higher in the outer 2 mm of the sponge tissue, 2) …
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The influence of myosin regulatory light chain phosphorylation on the contractile performance of fatigued mammalian skeletal muscle
… contractile performance without a significant metabolic cost. Twitch force was potentiated to a greater extent in wildtype muscles until peak force had diminished to ~60% of baseline (37.2 ± 0.05% vs. 14.3 ± 0.02%). Despite no difference in peak force (Po) and shortening velocity (Vo), rate of …
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The examination of control entropy (CE) of triaxial accelerometry and lactate threshold in runners during treadmill exercise
… accelerometry (HRA) data as well as the metabolic cost of exercise was also collected during these trials.</p> <p>Control entropy (CE) analysis was conducted on the HRA of each individual plane of motion. Visual examination of the CE of the accelerations of the vertical and medio-lateral …
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