نتایج جستجو برای: repeated loads

تعداد نتایج: 148796  

2008

Normal articular cartilage is characterized by a smooth surface with very low friction and the ability to withstand repeated high loads. Loss of this smooth surface leads to pain, loss of motion, swelling and eventually deformity. This will ultimately result in degenerative osteoarthritis.(1,2) A variety of methods have been developed over the past 20 years and are now available to regenerate c...

Journal: :Bioresources 2022

Poplar laminated veneer lumber (LVL) orthogonal rib box floor is a new type of composed LVL beams and oriented strand board (OSB). To study the creep performance floor, four 3600 mm × 4800 specimens were designed manufactured. The tests with local damage, repeated load, different stress ratio loads conducted. increased ambient temperature humidity. Because damage increased. Repeated loading def...

Journal: :Journal of orthopaedic research : official publication of the Orthopaedic Research Society 1987
J A Miller A B Schultz G B Andersson

We measured the load-displacement behavior of both single and paired sacroiliac (SI) joints in fresh cadaver specimens obtained from eight adults between the ages of 59 and 74 years. With both ilia fixed, static test loads were applied to the center of the sacrum along and about axes parallel and normal to the superior SI endplate. Test forces up to 294 N were applied in the superior, inferior,...

2015
Jun Yao Justin Drogos Fleur Veltink Caitlyn Anderson Janny Concha Urday Zaa Laura Imming Hanson Julius P. A. Dewald

Reaching ability of the paretic upper extremity in individuals with stroke decreases with increased shoulder abduction (SABD) loads. Transcranial direct current stimulation (tDCS) has been implemented to improve movement ability following stroke. However, results from previous studies vary, perhaps due to the influence of impairment level and the type of motor tasks that were used to study the ...

Journal: :The Journal of bone and joint surgery. British volume 1997
A G Edwards D S McNally R C Mulholland A E Goodship

Posterior fixation of intervertebral discs is used to treat, and occasionally diagnose, discogenic pain since it is thought that it will reduce the internal loading of the discs in vitro. We measured the internal loading of ten intervertebral discs using stress profilometry under simulated physiological loads and then after posterior fixation. Partial discectomies were performed to simulate adv...

1999
S. A. Pandya M. J. Aftosmis

The aerodynamic loads on a Canard Rotor/Wing vehicle are investigated using inviscid numerical simulations in order to understand the flight characteristics of the vehicle during conversion from rotary to fixed-wing flight. A series of numerical simulations at seven azimuthal rotor indices are presented covering a quarter turn of the rotor. With symmetry arguments, these simulations produce 25 ...

Journal: :Physical therapy 1983
R W Bohannon

The application of low loads over prolonged periods of time as a means of lengthening shortened soft tissues and reducing hypertonus is well supported in the literature." Techniques are not always available, however, for the practical application of such loads in a clinical setting, particularly for patients with decreased range of motion associated with spastic musculature. A specific movement...

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