Closed-face shielded TBM driven tunnels are supported using precast concrete segmental linings. In the past these types of lining have been assessed without consideration being given to the coupling action along circumferential joints of adjacent rings or the true behaviour of joints along longitudinal joints, especially where these have a taper. The mechanical and geometrical characteristics o...

conclusions lower extremity movement extent was carefully evaluated and, in respect to muscle strength, the patient was able to walk independently three months after the surgery. the patient’s balance was studied and the results showed moderate levels of stability. case presentation this is a case report concerning a patient who had septic arthritis in the knee area and so underwent soft tissue...

in this study, compressed poplar wood was used to improve the strengths of wooden chairs. these chairs were compared to chairs made from uncompressed poplar wood. wooden chairs were assembled with two types of traditional joints including mortise and tenon and wooden pins joints. the ultimate force was applied from the front to the back of the seat, were recorded according to american library a...

The cervical facet joints of 20 cadavers were studied systematically with MR, CT, cryomicrotomy, and histologic sections to determine the anatomic changes that occur with age. Uniform layers of cartilage and subarticular cortical bone characterize the cervical facet joints in cadavers under 20 years of age. Most adult cervical facet joints have only a discolored or microscopically thin layer of...

In this paper piezo actuated micromanipulators are considered with serial-parallel structure including elastic joints. Such structure allows a preliminary tension of the mechanical system in order to eliminate backlashes and to improve the performance of the piezo-actuators. A kinematics model of a serial-parallel structure for local micro manipulators is build here. A pseudo rigid body approac...

Immune-mediated Arthritides in Humans Humans suffer from several immune-mediated arthritides. These diseases are segregated based mainly by their clinical features and patterns of joint involvement, as their underlying mechanisms are different. Rheumatoid arthritis (RA) is characterized by erosions of small joints, particularly those of wrists (intercarpal joints), ankles (intertarsal joints), ...

We present a case that had two separate facet joints on the same side causing an intervertebral instability. The embryological pathogenesis of the congenital existence of two separate facet joints on the same side of the vertebra is not conclusively known. A 68-year-old woman presented with lower back pain and severe left leg pain. Neuroradiological evaluation including dynamic plain radiograph...

This paper proposes a method of simulating the movements of the human body by automatically extracting the characteristics of an object from a camera and sending them to mobile devices. In this method, a RGB color video from a camera was converted into hue, saturation, and intensity images for extracting the silhouettes of the human body using digital subtraction of the images. Using the corner...

This paper addresses the extention of humanoid's action capability by attatching toe joints. E ectiveness of toe joints is discussed in three aspects. One is utilizing it to speed up the walking, another is using it to enable a humanoid to go up heigher steps, and the other is using it to whole-body action in which knees are contacting to the ground. Feet with toe joints are developed for Human...