Sentences with phrase «tibeofemoral shear force»

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.

However, one has to ensure that the cells remain alive, especially if passed through an inkjet needle, involving considerable shear forces and thermal stresses.

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.

Secondary waves, or S - waves, pull rocks apart as they undulate through the planet, creating what scientists call shear forces.

Secondary waves move only through solids; shear forces don't exist in liquids (since liquids can't be torn apart).

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.

A rotor - stator homogenizer [1] uses shear forces to emulsify liquids that don't usually mix.

Then, the team assessed how much shear force was required to remove the biofilm on the experimental material.

The shear forces produced cause the cellulose to gently disintegrate into its component fibres.

They say factors external to the cluster, such as shearing forces produced by the galaxy's rotation, disrupt the cluster more intensely and prevent stars from forming.

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.

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

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.

But compressive forces are not the major issue here — it's shear force, or the force that is applied to your spine at an angle, that causes excessive strain on the lower back.

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 means we increase the potential for stress in the spine and can increase the shearing forces in the discs.

This shortens the range of motion and keeps the torso more upright, which reduces the amount of shearing force placed on the spine.

These values were very similar to the snatch performed in the same athletes, where compressive forces were 7,020 ± 1,063 N (6.5 ± 1.1 times bodyweight) and shear forces were 1,065 ± 112N (1.0 ± 0.1 times bodyweight).

Exploring low back joint loads in the clean in nationally - ranked Olympic weightlifters weighing 94.1 kg on average, Burnett et al. (2002) reported that compressive forces at the L5 - S1 joint were 8,569 ± 1,825 N (6.7 ± 0.8 times bodyweight), while shear forces were 1,176 ± 211N (0.9 ± 0.1 times bodyweight).

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).

Exploring low back joint loads in the snatch in nationally - ranked Olympic weightlifters weighing 94.1 kg on average, Burnett et al. (2002) reported that compressive forces at the L5 - S1 joint were 7,020 ± 1,463 N (6.5 ± 1.1 times bodyweight), while shear forces were were 1,065 ± 112N (1.0 ± 0.1 times bodyweight).

In a lifters in the 90 kg weight class, compressive forces at L4 - L5 were 14,487 ± 1,282 N and shear forces were 1,673 ± 104N.

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.

A slip or stumble can result in strong sudden shear forces across a joint, or sudden twisting which pulls directly on the ligaments - one interesting fact is that ligaments are NOT designed to be used at all!

It is hard on the patellar tendons of the knees due to the shearing forces involved.

The recruited ligaments appear to contribute to the anterior shear force so that shear force levels are likely to exceed 1000N (224 lbs).

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.

The core muscles help to resist spinal rotation during running, which can help to prevent the pelvis from rotating and applying shearing forces on the lumbar spine and down the body into the knees / ankles.

A sumo deadlift incorporates a broad stance (almost 2 times your shoulders» width) to cut down the shearing force and motion range on the nether back.

However, in practice it rarely helps and sometimes exacerbates the problem due to the large shear forces that accompany the leg extension movement.

«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.

When the ligament is torn, there is a shearing force that results when your dog tries to bear weight on the leg.

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.