Sentences with phrase «shear force on»

Kipping pullups place a tremendous amount of shear force on your shoulder joint.

This prevents anterior tilt of the shoulder blades, preventing shear forces on the cuff and tendons of the shoulders and elbows.

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.

Not exact matches

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

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.

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.

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

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).

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).

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.

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.

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.

When using a lug wrench - very good quality and an extension bar, apply the force by pulling up on the bar and use your leg muscles to provide the force - I have sheared big wheel studs as per Landrover like this but I'm 18 stone and 6» 3»..

@SteveRacer The forces acting on bolted wheel joints include, but are not necessarily limited to: Shear, axial, cyclical variation.

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.

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.

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.

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.

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.

That tower could have just sheared off the outside wall, depending on the exact forces that caused it to topple.