STUDY DESIGN Retrospective radiographic study. PURPOSE To evaluate the efficacy of the proximal lumbar curve flexibility compared with the traditional whole lumbar curve flexibility in patients with main thoracic adolescent idiopathic scoliosis (MT-AIS). OVERVIEW OF LITERATURE Traditionally the flexibility of the whole lumbar curve was measured, and the flexibility of the proximal lumbar cu...

The main criterion in investment decisions is to maximize the investors utility. Traditional capital asset pricing models cannot be used when asset returns do not follow a normal distribution. For this reason, we use capital asset pricing model with independent and identically asymmetric power distributed (CAPM-IIAPD) and capital asset pricing model with asymmetric independent and identically a...

Competitive rowing is a highly aerobic sport requiring technical skills, motor coordination, adequate strength, and endurance. 2 A number of authors 3–6 have reported a significant incidence of low back pain among the rowing population. This paper identifies the factors that may influence the onset of low back pain. During the rowing stroke, the magnitude of the forces on the lumbar spine is hi...

Objective The lumbar lesion in rheumatoid arthritis (RA) have been paid less attention, but some previous studies demonstrated the high prevalence of lumbar spondylolisthesis and lumbar scoliosis. The lumbar lesion accompanied with RA is often difficult to treat, and it is important to know the characteristics of lumbar lesion in RA patients. The purpose of this study is to clarify the features...

modeling and wrench feasible workspace analysis of a spatial cable suspended robots is presented. a six-cable spatial cable robot is used the same as stewart robots. due to slow motion of the robot we suppose the motion as pseudostatic and kinetostatic modeling is performed. various workspaces are defined and the results of simulation are presented on the basis of various workspaces and applied...

Competitive rowing is a highly aerobic sport requiring technical skills, motor coordination, adequate strength, and endurance. 2 A number of authors 3–6 have reported a significant incidence of low back pain among the rowing population. This paper identifies the factors that may influence the onset of low back pain. During the rowing stroke, the magnitude of the forces on the lumbar spine is hi...

We evaluated the reliability of static and dynamic lumbar muscle endurance measurements on a BackUP lumbar extension dynamometer. Sixteen healthy participants (8 male; 8 female) volunteered for this investigation. Fifty percent of each participant's body weight was calculated to determine the weight load utilized for the static (holding time) and dynamic (repetitions) lumbar extension endurance...