نتایج جستجو برای: gliding
تعداد نتایج: 2422 فیلتر نتایج به سال:
This study aimed to analyse the kinematic, kinetic and electromyographic characteristics of four front crawl flip turn technique variants. The variants distinguished from each other by differences in body position (i.e., dorsal, lateral, ventral) during rolling, wall support, pushing and gliding phases. Seventeen highly trained swimmers (17.9 ± 3.2 years old) participated in interventional sess...
Leaping, parachuting and gliding are the primary means by which arboreal squirrels negotiate gaps in the canopy. There are notable differences among the three locomotor modes with respect to mid-air postures and aerodynamics, yet it is unclear whether variation should also be expected during the launch phase of locomotion. To address this question, launch kinematic profiles were compared in lea...
An important group of animal and human pathogens, belonging to the phylum Apicomplexa, employs a novel form of motility, known as gliding, to move on solid substrates and to enter host cells. Gliding is dependent on the parasite cytoskeleton and involves a conserved family of secretory adhesins.
Collective motion is a fascinating example of coordinated behavior of self-propelled objects, which is often associated with the formation of large scale patterns. Nowadays, the in vitro gliding assay is being considered a model system to experimentally investigate various aspects of group behavior and pattern formation by self-propelled objects. In the in vitro gliding assay, cytoskeletal fila...
In vertebrates, gliding evolved as a mode of energy‐efficient locomotion to move between trees. Gliding vertebrate richness is hypothesised increase with tree height and decrease density but empirical evidence for this scarce, especially at global scale. Here, we test the ability explain species vertebrates globally compared all while controlling biogeographical climatic factors. We compiled da...
Saprospira grandis Gross 1911 is a member of the Saprospiraceae, a family in the class 'Sphingobacteria' that remains poorly characterized at the genomic level. The species is known for preying on other marine bacteria via 'ixotrophy'. S. grandis strain Sa g1 was isolated from decaying crab carapace in France and was selected for genome sequencing because of its isolated location in the tree of...
Mycoplasma mobile glides on solid surfaces by use of a unique mechanism that involves two large proteins, Gli349 and Gli521. Here we isolated and analyzed two antibodies and three mutants that modified mycoplasma gliding. Mapping of the target points of antibodies and mutations currently available suggested that a 301-amino-acid region on the whole 3,138-amino-acid sequence, a C-terminal region...
The British Hang Gliding Association accident report for 1975 reported two deaths. The remaining cases were predominantly limb fractures. The major causes of the injuries were inexperience, high wind speed, turbulence, and stalling. It is contended that the sport is no more risky than is rock climbing, motor-bike racing, skiing, or potholing, yet against these undoubtedly dangerous sports no th...
Based on clinical and histological evidence, it can be surmised that the extensive fibrous sheet was the result of fluid extravasation. Accumulation of extravasated fluid leads to fibrin deposition, which in turn ‘‘glues’’ the extensor tendons to the skin and bone restricting tendon gliding.[1] If not dispelled during the first few months, the fibrin converts into scar tissue with long-term los...
INTRODUCTION: The etiology of posterior tibial tendon dysfunction (PTTD) is unclear although it has been suggested that it may be related to a preexisting flexible flatfoot. Obesity, diabetes, and hypertension may increase the risk of PTTD according to epidemiological studies. It is uncertain how tendonopathy can severely affect the PT tendon, while adjacent tendons, flexor digitorum longus (FD...
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