This is caused by
the shear force of the accident.
But it took companies like Nike and Adidas to come along and by
shear force of will, raise the level of conversation in the sneaker department, before sneakers became bona fide global social objects, bona fide global powerhouse brands.
Bill Gurley: One thing I would say to that is I don't think there are any opportunities to disrupt healthcare in that type of way, simply because the amount,
the shear force of inertia, the amount of regulation that exists, there's no way for someone to rush in and disrupt at that level with kind of hackneyed solutions.
When the ACL ruptures and the joint becomes unstable, the meniscus becomes vulnerable to
the shear forces of the two bones moving in abnormal ways.
Not exact matches
Cut along each side
of backbone with kitchen
shears — this will take some
force (you can ask your butcher to do this).
This prevents anterior tilt
of the shoulder blades, preventing
shear forces on the cuff and tendons
of the shoulders and elbows.
Others note that
shear forces from shaking are not the only issue — bursting
of bubbles caused by shaking may also damage cells or denature proteins.
If there are ripples along the boundary between those layers, the
shearing action creates centrifugal
forces that swirl the fluids — or bodies
of air — together.
Indeed, it is the rotational movements
of the brain inside the calvaria (meaning all
of the cranium except for the facial bones) and the
shearing forces affecting the upper reticular formation that create torque, which leads to the typical loss
of consciousness.
For instance, there are three standard measures
of a material's stiffness: One describes its deformation in the direction
of an applied
force, or how far it can be compressed or stretched; one describes its deformation in directions perpendicular to an applied
force, or how much its sides bulge when it's squeezed or contract when it's stretched; and the third measures its response to
shear, or a
force that causes different layers
of the material to shift relative to each other.
Geckos» feet are, by default, non-sticky, but the stickiness can be activated by a small
shear force to produce this surprisingly tough form
of adhesion.
Geckos» feet are by default nonsticky, and this stickiness is activated through application
of a small
shear force.
These vortices
of upwardly spiraling wind have been studied for decades, but information about them is usually, and understandably, obtained from a distance, precluding fine - scale measurements
of rotational speed,
shear forces, and internal wind pathways.
If a researcher extracts a one - inch sample
of rock from the fault zone located inside a single plate and subjects it to compression and
shearing forces in a laboratory until it slips, it will behave in much the same way that rocks in the ground do.
«These highly elusive 3 - nanometer structures are too small to be captured with other types
of liquid biopsy devices, such as microfluidics, due to
shear forces that can potentially destroy them,» he noted.
He's been focused on the study
of impact - induced
shear waves, which jostle tissue with relatively slow, side - to - side
forces, in contrast to the better - studied compression waves that travel in the direction
of impact at the speed
of sound.
In physics,
shear stress is a stress state in which the shape
of a material tends to change (usually by «sliding»
forces — torque by transversely - acting
forces) without particular volume change.
«This transition demonstrates that
shear thickening is driven primarily by frictional contacts, with hydrodynamic
forces playing a supporting role at lower concentrations
of particles, when mixtures are less dense,» Royer explained.
Vascular Imaging Integrating 4 - D light - sheet imaging and hemodynamic
shear forces to elucidate endocardial Notch - Nrg1 - ErbB2 signaling and trabeculation Tzung Hsiai, University
of California, Los Angeles Matrix metalloproteinase - targeted imaging
of vascular remodeling in aortic aneurysms Mehran Sadeghi, Yale University
\ n \ n «It?s still not clear how the cells sense
shear stress, and researchers are trying to unravel the chain
of events between mechanical
force and stem cell production in order to manipulate the process to make blood stem cells for transplant.»
In addition, both internal variability and aerosol
forcing are likely to affect tropical storms in large part though changes in ocean temperature gradients (thereby changing ITCZ position and vertical
shear), while greenhouse gases likely exert their influence by more uniformly changing ocean and tropospheric temperatures, so the physics
of the problem may suggest this decomposition as more natural as well.
In addition, deadlifts train the spine to remain perfectly stable while exposed to ridiculously high
shear forces, which makes people who perform them often look like some kind
of superheroes.
The sumo variant involves a wider foot placement, which makes it easier to maintain a flat back, while trap bar deadlifts involve the least amount
of shear force and are most suitable for people with lower back problems.
The role
of many elements
of the proper deadlifting form, such as keeping an erect torso and not allowing the bar to drift away from the body, is to minimize
shearing force.
This shortens the range
of motion and keeps the torso more upright, which reduces the amount
of shearing force placed on the spine.
Although low back joint compressive and
shear forces in the clean performed by elite Olympic weightlifters are high (around 8,600 N and 1,200 N, respectively), they are not as high as in the deadlift performed by elite powerlifters
of similar bodyweight (around 14,500 N and 1,700 N, respectively).
The shoulder isn't designed to take those
shearing forces which leads to a high rate
of shoulder injury.
Kipping pullups place a tremendous amount
of shear force on your shoulder joint.
It is hard on the patellar tendons
of the knees due to the
shearing forces involved.
However, when a more neutral lordotic posture is adopted, the extensor musculature is responsible for creating the extensor moment and at the same time provides a posterior
shear force that supports the anterior
shearing action
of gravity on the upper body and handheld load.
But when Thomson accidentally kills someone with his styling
shears, he quickly finds himself at the centre
of a large serial killer investigation, championed by two
of Scotland's most incompetent task
forces.
«It's in the safety cell and the floor to absorb
shear forces, to transfer the energy from the front
of the vehicle into the back.»
But it's the new double - wishbone front axle and 5 - link rear axle are largely responsible for controlling lateral roll and
shear forces to enhance agility and stability, as does the addition
of four - wheel steering.
The second set
of evaluation criteria is comprised
of the maximum neck
shear force and maximum neck tension measured on the dummy during the test.
A new double - wishbone front axle and 5 - link rear axle deliver astounding levels
of control over lateral roll and
shear forces and deliver incredible agility and stability, as does the addition
of four - wheel steering, all contributing to incredible drivability and nimbleness.
The Institute's dynamic ratings
of good, acceptable, marginal, or poor are derived from two seat design parameters (peak acceleration
of the dummy's torso and time from impact initiation to head restraint contact with the dummy's head) plus neck tension and
shear forces recorded on BioRID during the test.
«That produces an S - shape in the neck, and that can develop a lot
of shear forces in the neck,» Romilly says.
The Institute's dynamic ratings
of good, acceptable, marginal, or poor are derived from two seat design parameters (peak acceleration
of the dummy's torso and time from impact initiation to head restraint contact with the dummy's head) plus neck tension and
shear forces recorded on the BioRID dummy during the test.
However, it seems such bendable e-readers are back again, thanks to a group
of researchers based in Taiwan who claim to have hit upon a novel way
of devising electronics that could withstand bending and
shearing forces up to some extent.
As cartilage degenerates it becomes more fragile and susceptible to injury as a result
of the abnormal
shearing forces exerted on the now unstable joint.
TTA is a surgical procedure where we move the Tibial Tuberosity forward to change the angle
of the Patellar Ligament to neutralize the tibeofemoral
shear force during weight bearing.
This places the majority
of the body weight on the knee joint, and excessive rotational and
shearing forces are placed on the cruciate ligaments.
It's just awesome to think
of the
shear force and beauty
of a wolf.
One type
of forced convection is when the cold air from the poles flows under the warmer subtropical air, which results in wind
shear.
Warm ground (strong heating
of the ground) and non-turbulent vertical flow due to convective
shear forces slow enough to allow approximately adiabatic expansion and compression to occur in the overturning convective air parcels favors the DALR.
-- Wind
shear: The less the vertical wind
shear — the difference in the direction and
force of the winds at the surface compared to several miles into the air — the more powerful the hurricane can become.The influence
of the Atlantic Multidecadal Oscillation
Wind
shear: The less the vertical wind
shear — the difference in the direction and
force of the winds at the surface compared to several miles into the air — the more powerful the hurricane can become.
Wind
shear, both horizontal and vertical, is extremely important, and it is influenced in complex ways by large - scale circulation responses to the balance
of various
forcings.
However, even without the actual results from the models for the past 30 years, I think we can surmise that driven by changes in anthropogenic
forcings alone, the models simulations
of the past 30 years would be trending in a similar direction as the model projections for the future, that is, vertical stability and wind
shear should be increasing, at least over the tropical Atlantic.
Three plate edges always meet together at just one point, a principle which enables the transmission
of normal and
shear forces but no bending moments between the joints, thus resulting in a bending bearing but yet deformable structure.