<sec> <title>BACKGROUND</title> Virtual reality (VR) is increasingly applied in rehabilitation training. Flow experience, a critical factor for enhancing user engagement and training efficacy, exhibits age-related differences that are essential designing elderly-friendly tasks. However, current VR systems often overlook subjective experience disparities, leading to insufficient among older adults. </sec> <title>OBJECTIVE</title> This study aims explore flow between younger adults during...

Objective: Poor blood flow supply is an important pathological factor that leads to the development and deterioration of diabetic foot ulcers. This study aims investigate acute effects local vibration with varying intermittent durations on plantar skin (SBF) response in healthy subjects. Methods: Eleven patients (7 males, 4 females) 15 adults (6 9 participated this experiment accepted three tests. Local continuous (LCV) two levels (LIV1 LIV2) were randomly applied middle metatarsal head each...

Abstract Background Exercise, especially weight-bearing exercise (e.g. walking), may affect plantar tissue viability due to prolonged repetitive high vertical and shear pressure stimulus on the tissue, further induce development of diabetic foot ulcers (DFUs). This study aimed investigate effects different accumulated pressure-time integral (APTI) stimuli induced by walking skin blood flow (SBF) responses in people with diabetes mellitus (DM). Methods A repeated measures design was used this...

Objective: People with diabetic peripheral neuropathy (DPN) are usually accompanied increased plantar pressure. Such high loading during daily activities may cause changes in the biomechanical properties of soft tissue, whose viability is critical to development foot ulcers. This study aimed investigate relationship between tissue hardness and pressure people without DPN, preliminarily explore influence patterns on hardness. Methods: The was conducted 14 DPN DPN. Shore durometer MatScan...

Diabetic foot ulcer (DFU) is a common complication of diabetes mellitus, while tissue ischemia caused by impaired vasodilatory response to plantar pressure thought be major factor the development DFUs, which has been assessed using various measures skin blood flow (SBF) in time or frequency domain. These measures, however, are incapable characterizing nonlinear dynamics SBF, an indicator pathologic alterations microcirculation diabetic foot. This study recruited 18 type 2 diabetics with...

Abstract Background The lower extremities of the body often suffer from impaired microcirculation, particularly in elderly or people with underlying conditions such as diabetes. Especially for suffering peripheral vascular diseases, skin lesions wearing an external fixator one side limbs, direct contact treatments are not suitable them to improve microcirculation. Heating contralateral limb has been reported blood flow limb. However, its effect on plantar microvascular responses previously...

Objective: Exercise has been reported to be beneficial for people with type 2 diabetes (T2DM), but exercise, especially weight-bearing may increase the risk of diabetic foot ulcers (DFUs). This study aimed explore associations between different volumes physical activities and plantar microcirculation tissue hardness in T2DM. Methods: 130 elderly T2DM were enrolled this cross-sectional study. They classified into high exercise volume group low based on their weekly energy expenditure...

Intermittent pneumatic compression (IPC) is commonly used to improve peripheral circulation of the lower extremity. However, its therapeutic dosage for people with type 2 diabetes mellitus (DM) at risk ulcers not well established. This study explored effect IPC different inflation pressures on distal microvascular responses foot in DM. Twenty-four subjects and without DM were recruited. Three protocols 60, 90, 120 mmHg applied foot. The skin blood flow (SBF) measured by laser Doppler...

Abstract In this paper, based on the geologic features in deepater shallow, we optimize calculation method of overburden pressure (four parameters regression method), pore (comprehensive interpretation collapse (Mol-coulomb criterion) and fracture (pressure coefficient method) through investigation onsite application, therefore, can determine safety window mud density shallow. Additionally, riser setting depth is given basis safe window; Furthermore, seek out gradient model multi drilling...

Multi-level spinal fusion has been reported in some cases to lead adjacent segment disease (ASD) and proximal junctional kyphosis (PJK). The purpose of this study was demonstrate a polyether-ether-ketone (PEEK) rod fixation system implanted two-level lumbar would have lower risk PJK than three-level fusion, which investigated by comparing the biomechanical effects on level after surgical procedures. Four finite element (FE) models lumbar-sacral spine (intact model (INT), L4-S1 (L4-S1 FUS),...

Abstract The dynamic kill process is divided into two stages: “dynamic pressure stability” and “static stage in this paper. In stability stage, sea water fluid was pumped the well initial killing fluid; Then pump weight liquid by quantified displacement based on that can achieve complete effect, control kick effectively to drill efficiency. paper, multiphase multicomponent staged equation established considering effect of shallow flow gas influx, meanwhile, it adopts auxiliary equations such...

The aim of this study was to determine whether and how real-time feedback dynamic foot pressure index (DFPI) could be used correct toe-walking gait in spastic diplegic children with equinus.Thirteen equinus were asked wear a monitoring device record their ambulation during daily gait, conventional training gait. Parameters based on DFPI stride duration compared among the three test conditions.The results significantly better for all parameters comparison patients' showed significant...

There are plenty of uncertainties and enormous challenges in deep water drilling due to complicated shallow flow strata high temperature pressure. This paper investigates density dynamic kill fluid optimum during the operation process which can be divided into two stages, that is, stable stage static stage. The consists a single liquid phase different solid phases. In addition, is mixture oil. Therefore, new method calculating pressure field wellbore proposed. calculates changing trend under...

Abstract The paper reviews the whole project and introduces casing string structure of Riserless Drilling. Then it establishes shallow Drilling longitudinal vibration model based on theory, soil mechanics, fluid mechanics. We assume layers around are homogeneous, isotropic saturated cohesive soil, earthquake force is harmonic excitation force. And at bottom layers. Meanwhile, also considers flow friction drilling in well bore. Based this, this analysis longitude forced load by gets its...

Abstract This study investigates the biomechanical adaptations of longitudinal arch (LA) in long-distance runners, focusing on changes stiffness, angle, and moment during a 60-minute run. Twenty runners participated this experiment, were asked to run at speed 2.7 m·s-1 for 60 minutes. The kinematic kinetic data collected five-minute intervals running calculated, including stiffness LA loading phase (k load ) unloading unload ), maximum (M max range angle change (∆θ ). Foot morphology was...

Osgood-Schlatter disease (OSD) is caused by high, repetitive, and continuous traction exerted the quadriceps on tibial tuberosity, primarily occurring in adolescents. Infrapatellar straps are commonly recommended for its prevention treatment, yet their impact forces adolescents remains unstudied. Furthermore, current research OSD predominantly focuses adolescent males, with limited attention to females, despite similar incidence rates both groups. This study aimed quantify during running,...