Results 31 to 40 of about 403 (130)

Energy Cost of Running Under Hypogravity in Well-Trained Runners and Triathletes: A Biomechanical Perspective

open access: yesInternational Journal of Computer Science in Sport, 2019
Hypogravity treadmills have become a popular training tool in distance running and triathlon. Counter-intuitively, tibial acceleration load is not attenuated by hypogravity unloading during running, while, equally surprisingly, leaps become flatter ...
Ueberschär O.   +6 more
doaj   +1 more source

Hypothalamic Control during Hypogravity

open access: yesBiological Sciences in Space, 1988
Hypogravity (low G) has been known to elicit many changes in automatic and endocrine functions which may be regulated by the hypothalamus. We investigated hypothalamic neuron activity during low-G simulation and its involvement on regulation of muscle electrolytes and Ca metabolism.
Aou, Shuji   +6 more
openaire   +2 more sources

Impact Pressure Distribution Recognition for Large Non-Cooperative Target in Ground Detumbling Experiment

open access: yesAerospace, 2022
During the contact between the detumbling end-effector and large non-cooperative target, the recognition of impact pressure distribution is important for estimating the success rate of detumbling mission.
Siqi Peng   +5 more
doaj   +1 more source

Impact Force Identification of the Variable Pressure Flexible Impact End-Effector in Space Debris Active Detumbling

open access: yesApplied Sciences, 2020
The security of the space environment is under serious threat due to the increase in space debris in orbit. The active removal of space debris could ensure the sustainable use of the space environment; this removal relies on detumbling technology ...
Ziying Wei   +4 more
doaj   +1 more source

Mechanical Determinants of the U-Shaped Speed-Energy Cost of Running Relationship

open access: yesFrontiers in Physiology, 2018
Purpose: The aim of this study was to investigate the relationship between the energy cost of running (Cr) and speed and its mechanical determinants by comparing running in normal [100% body weight (BW)] and reduced (20% and 60% BW) gravity conditions at
Apolline Carrard   +2 more
doaj   +1 more source

Biomechanics at the workplace under hypogravity conditions

open access: yes, 2022
The main goal of my research is to establish guidelines for workplace design based on human biomechanics: specifically sitting workplaces and handling areas in 1/6G-1/3G (Moon, Mars) conditions. Such a workplace could be used in long-term space missions in order to maximize worker performance and minimize the risks of musculoskeletal injuries. Research
openaire   +2 more sources

Hypogravity as a risk factor for increased intraocular pressure [PDF]

open access: yesBulletin of Russian State Medical University, 2019
Space medicine has long studied the impact of reduced gravity on the human body. Increasing complaints of insufficient visual acuity during and after space flights have been recently drawing a lot of attention to the effects of hypogravity on astronauts’ vision.
M. A. Valyakh   +3 more
openaire   +1 more source

Why do we transition from walking to running? Energy cost and lower leg muscle activity before and after gait transition under body weight support [PDF]

open access: yesPeerJ, 2019
Background Minimization of the energetic cost of transport (CoT) has been suggested for the walk-run transition in human locomotion. More recent literature argues that lower leg muscle activities are the potential triggers of the walk-run transition.
Daijiro Abe   +2 more
doaj   +2 more sources

Rapid selection and proliferation of CD133+ cells from cancer cell lines: chemotherapeutic implications. [PDF]

open access: yesPLoS ONE, 2010
Cancer stem cells (CSCs) are considered a subset of the bulk tumor responsible for initiating and maintaining the disease. Several surface cellular markers have been recently used to identify CSCs.
Sarah E Kelly   +7 more
doaj   +1 more source

Stroboscopic Augmented Reality as an Approach to Mitigate Gravitational Transition Effects During Interplanetary Spaceflight

open access: yesInternational Journal of Aviation, Aeronautics, and Aerospace, 2022
During interplanetary spaceflight, periods of extreme gravitational transitions will occur such as transitions between hypergravity, hypogravity, and microgravity.
Ethan Waisberg   +5 more
doaj   +1 more source

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