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 1178 for “"Muscles"”.
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Hemorrhages in muscles of broiler chickens
Contains fulltext : 145656.pdf (Publisher’s version ) (Open Access)
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Fatigue Characteristics of Pressurized Artificial Muscles
Pressurized artificial muscles show promise in both standard aircraft actuation operations and in morphing structures as an alternative to currently used actuation systems due to their high power-to-weight ratio. Pressurized artificial muscles have already demonstrated the necessary force …
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Development of laboratory spine with artificial muscles
… have been assessed in the laboratory, artificial muscles and spring elements and with normal physiological movements compared and validated from the reported literature. The model was used to investigate the potential of Shape Memory Alloy wires to act as artificial muscles and to control the …
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Stochastic recruitment strategies for controlling artificial muscles
This thesis presents a new architecture for controlling active material actuators inspired by biological motor recruitment. An active material is broken down into many small fibers and grouped together to form one large actuator. Each of these fibers is held in a binary state, either relaxed or …
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Longitudinal variation in the axial muscles of snakes
The axial muscles of snakes are notable for having long tendons within individual segments that span several vertebrae. Consequently, muscles that extend anteriorly have a constraint on their length as their origins are located closer to the skull. However, this and other aspects of longitudinal …
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The Effects of Extraocular Muscles on Eye Biomechanics
… for years; however, the role of the extraocular muscles in relation to eye injuries has yet to be quantified. In this research, Computed Tomography quasi-static tests were conducted to investigate the effect of the presence of the extraocular muscles on the biomechanical response of the human eye …
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Growth factors in extraocular muscles: effects on contractile properties
Extraocular muscles are a unique group of skeletal muscles, with distinct biological properties, including specialized myofiber types, a unique transverse and longitudinal organization of myofibers, continued muscle plasticity and the retention of activated progenitor cells in adult normal muscles. …
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Neuromuscular junction formation in Extraocular muscles of embryonic mice
… properly innervate the appropriate extraocular muscles. If proper innervation does not take place, congenital cranial dysinnervation disorders result. One of these disorders is strabismus, a misalignment of the eyes. Despite the importance of the oculomotor system, little is known about the …
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EMG-EMG Coherence Analysis of Elbow and Shoulder Muscles
… fixed pattern of activation across a set of muscles. The neural mechanisms underlying muscle synergies remain to be fairly unknown. Through a muscle synergy study [13], co-activation in muscle pairs was discovered through a non-negative matrix factorization: NMF) analysis. In order to …
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Passive upper-limb exoskeleton based on Pneumatic Artificial Muscles
L'abstract è presente nell'allegato / the abstract is in the attachment
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Reliability of electromyography detection systems for the pelvic floor muscles
… used to acquire EMG data from the pelvic floor muscles (PFM) at rest, during maximum voluntary contractions (MVCs) and during a coughing task. Twelve nulliparous women between the ages of 24 and 40 participated in the study. EMG data were recorded from each side of the pelvic floor using surface …
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Microtubule Regulation of Mitochondrial Bioenergetics in Cardiac and Skeletal Muscles
… yet to be demonstrated in cardiac and skeletal muscles, particularly in relation to mitochondrial bioenergetics. The primary objective of this thesis was to explore the tubulin-VDAC model of mitochondrial bioenergetic regulation in cardiac and skeletal muscles. This was achieved by employing …
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EMG measurement of the adductor muscles during walking and running
… be linked to atypical activation pattern of the muscles surrounding the pelvis. However, to date, previous research investigating pelvic drop has focused on the abductor group, with minimal focus on the adductor group. Importantly, the over-activation of the adductor muscles could increase the …
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Facilitation At Neuromuscular Junctions in Crayfish Deep Abdominal Extensor Muscles
… was investigated in the deep extensor muscles of the crayfish. The posterior branches of the motor nerve to these muscles were stimulated while intracellular recordings were made of the electrical responses of the muscle fibers. The excitatory junction potentials (ejp's) of the muscle …
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High performance materials for artificial muscles and energy storage devices
Artificial muscles (i.e., stimuli-responsive materials) are muscle-like materials and devices that mimic muscle's functionality (e.g., contraction, rotation, and bending) in different aspects. Some of the common performance metrics used for evaluating artificial muscles are cycle life, …
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Creating Human-Like Facial Expressions Utilizing Artificial Muscles and Skin
… skull was fabricated that incorporates all the muscles with their 35 routine pulleys, two fire wire CMOS cameras that serve as eyes, and a battery powered microcontroller base driving circuit within the total dimensions of 140 mm x 90 mm x 110 mm. The driving circuit was designed such that it …
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Neuromuscular Junctions in Androgen Sensitive Muscles: A Model for Synaptic Plasticity
<p>Androgen-sensitive muscles are specialized muscles in which both muscle and motoneurons are highly sensitive to androgens. Previous studies have shown that alterations in the levels of circulating androgens affect the activities of cholinergic enzymes in two androgen-sensitive muscles; the …
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