特定性运动疗法干预青少年特发性脊柱侧弯的研究进展

青少年特发性脊柱侧弯是一种常见的结构性侧向旋转的脊柱弯曲,国内中小学生AIS的发病率为1.23%,对青少年身心健康带来了诸多危害。运动疗法是AIS的保守治疗的重要手段之一,现阶段亟须研究适合我国社会现状和AIS患者人群特点的运动干预方案。该文梳理了国内外报道的AIS运动干预方法,分析其特点和疗效,旨在为我国临床或研究人员制订科学合理的运动方案提供参考依据。

全员动起来:抗战时期淮北根据地的群众性锄奸反特运动

“全员动起来”是抗战时期淮北根据地锄奸反特运动的最鲜明特征,这主要缘于根据地党和政府在其实践各环节中的主动作为和艰辛探索。具体来说,在“为什么要全员动起来”环节上,除适应客观现实的需要之外,也是自身主观进行了不断试错和总结实践经验教训的结果;在“全员动起来为了谁”的环节上,克服了当时民众民族和国家意识的薄弱、各种反共谣言的攻击以及党自身相关狭隘性认识等弊端,促进运动与维护和实现群众利益的相向性;在“如何实现全员动起来”环节上,注重通过构建立体性的组织网络、发挥群众团体的主体作用、尊重群众的创造精神、密切联系其他维护群众利益的运动等来激发;在“全员动起来后怎么做”的环节上,经过长期探索获得了联系实际、把握重点,区别对待、坚持原则,坚持实事求是、反对主观主义,重视法治、有序进行等较为成熟化的认知。毫无疑问,这些认知和实践,既巩固和发展了当时的根据地,也为新时代国家安全的维护和实现提供了启示价值。

OPEL ASTRA 人人都是“私享家”——试驾欧宝雅特运动版

车见多了、试多了，我总认为享受生活的气息需要一款动静相宜的车相伴。不过也许是工作的关系，与每一款车的相处时间也不会太久，为什么精彩的邂逅总会稍纵即失，为什么人车的缠绵不能永驻，为什么人就不能怎么一点点？别怨我太过依恋这辆车，因为不光是我，只要拥有了它，人人都是“私享家”！

家庭特定性运动联合矫形支具治疗中度青少年特发性脊柱侧凸的疗效观察

青少年特发性脊柱侧凸(AIS)发病率高,发病机制复杂,尚无明确病因^([1])。AIS进展的风险与初始侧凸角度和生长潜能有较大的相关性^([2]),因此对于生长发育未成熟及侧凸角度较大的AIS患者及早发现并早期干预是非常必要的。脊柱侧凸矫形支具是国际上较为公认的保守治疗方式,但有效率据报道仅72%^([3]),且长期佩戴矫形支具易造成躯干僵硬、肌肉力量减弱及肺活量暂时性降低等不良影响^([4])。

实时场景中多目标运动变化检测和空域定位方法

讨论了一种新的实时图像序列中多个运动目标运动变化检测和空域位置确定算法 :比特层 (bit-planes)差分运动检测和投影矩阵空域定位算法 ,该算法利用图像中不同比特层表征不同信息把图像标定为多个平坦域然后再进行运动目标检测 ,并利用单个摄像机采集的图像进行空域定位 ,在速度、精度、复杂度和适用范围等方面与其他现有面向像素的运动目标检测技术和空域定位方法相比较 ,有更好的表现。将本算法用于交通道口视频实时监控系统中 ,取得了理想的效果。

技巧运动

G833.12 如何纠正直腿后滚翻的"倒体过早"[刊,中,B]／张明武 (福建连江尚德中学)//体育教学.-2004,(2).-53(LF) 后滚翻//练习//技术//学生 G833.4 技巧男双"掐脖倒立"动作的运动特点分析[刊,中,I]／ 陈日金(福建技巧队),闫红光(沈阳体育学院)//辽宁体 育科技.-2004,26(3).-45,47表2(XH) 技巧//动作//训练//力学分析 通过技巧男双创新动作--"掐脖倒立"的动作特 点分析,旨在为该难新动作训练提供理论依据。

多目标运动变化检测及空域定位新方法

讨论了一种新的实时图像序列多目标运动变化检测算法:按比特层差分运动检测以及目标空域位置确定算法;投影矩阵空域定位算法。运动检测算法在速度、精度和适用范围等方面与其他现有面向像素的检测技术相比,有更好的表现,空域位置确定算法用单个摄像机图像序列能较好地确定目标3D的位置。

气息调整结合特定性运动训练治疗青少年特发性脊柱侧弯患者的疗效观察

目的:本研究旨在观察气息调整结合特定性运动训练对青少年特发性脊柱侧弯患者(Adolescent Idiopathic Scoliosis, AIS)的疗效,并探讨该治疗方法在改善脊柱侧弯的角度,延缓侧弯进程,提高生活质量中的作用。方法:本研究将60名脊柱侧弯患者随机分为干预组和对照组。干预组接受气息调整训练结合常规康复治疗方法,对照组仅接受常规康复治疗。训练前后对Cobb角度轴向躯干旋转角(Axial Trunk Rotation, ATR)、中文版脊柱侧凸研究学会患者22项问卷(Chinese Scoliosis Research Society Patient Questionnaire-22, SRS-22)进行评估。结果:干预组患者治疗前后Cobb角(1.61 ± 0.85比1.12 ± 0.62,t = 2.553,p = 0.013)、ATR (3.93 ± 1.91比2.5 ± 1.42,t = −1.003,p = 0.02)的改善情况显著优于对照组(p Purpose: This study aims to observe the effect of breath adjustment combined with specific exercise training on patients with adolescent idiopathic scoliosis (AIS), and to investigate the role of this treatment in improving the angle of scoliosis, slowing down the progression of the scoliosis, and improving the quality of life. Methods: In this study, 60 patients with scoliosis were randomly divided into intervention group and control group. The intervention group received breath adjustment training combined with conventional rehabilitation treatment, while the control group only received conventional rehabilitation treatment. Cobb angle axial trunk rotation (ATR) and Chinese Scoliosis Research Society Patient Questionnaire-22 (SRS-22) were evaluated before and after training. Results: The improvement of Cobb angle (1.61 ± 0.85 vs. 1.12 ± 0.62, t = 2.553, p = 0.013) and ATR (3.93 ± 1.91 vs. 2.5 ± 1.42, t = −1.003, p = 0.02) in the intervention group before and after treatment was significantly better than the control group (p < 0.05). However, there was no significant difference in the improvement of SRS-22 scores between the intervention group and the control group before and after treatment. Conclusion: Compared with single scoliosis-specific training, breath adjustment combined with specific exercise training in scoliosis rehabilitation treatment can better improve the scoliosis condition of AIS patients.

达路 特锐

对于很多城市中人，都希望自己的车子在平日里既灵活又省油，可以用作上班时的代步工具，而在假日休闲的时候，又希望这部车可以走下公路，带自己去山脚下，海滩边特锐的出现正好满足了这部分人的需要。

MOVING OBJECT TRACKING IN DYNAMIC IMAGE SEQUENCE BASED ON ESTIMATION OF MOTION VECTORS OF FEATURE POINTS

An improved estimation of motion vectors of feature points is proposed for tracking moving objects of dynamic image sequence. Feature points are firstly extracted by the improved minimum intensity change （MIC） algorithm. The matching points of these feature points are then determined by adaptive rood pattern searching. Based on the random sample consensus （RANSAC） method, the background motion is finally compensated by the parameters of an affine transform of the background motion. With reasonable morphological filtering, the moving objects are completely extracted from the background, and then tracked accurately. Experimental results show that the improved method is successful on the motion background compensation and offers great promise in tracking moving objects of the dynamic image sequence.

A simplified model for extreme-wave kinematics in deep sea

Based on the fifth-order Stokes regular wave theory, a simplified model for extreme-wave kinematics in deep sea was developed. In this model, from the wave records the average of two neighboring wave periods for the extreme crest or trough was defined as the period of the Stokes wave by the up and down zero-crossing methods. Then the input wave amplitude was deduced by substituting the wave period and extreme crest or trough into the expression for the fifth-order Stokes wave elevation. Thus the corresponding formula for the wave velocity can be used to describe kinematics beneath the extreme wave. By comparison with the published numerical models and experimental data, the proposed model is validated to be able to calculate the extreme wave velocity rather easily and accurately.

Action recognition using a hierarchy of feature groups

To improve the recognition performance of video human actions,an approach that models the video actions in a hierarchical way is proposed. This hierarchical model summarizes the action contents with different spatio-temporal domains according to the properties of human body movement.First,the temporal gradient combined with the constraint of coherent motion pattern is utilized to extract stable and dense motion features that are viewed as point features,then the mean-shift clustering algorithm with the adaptive scale kernel is used to label these features.After pooling the features with the same label to generate part-based representation,the visual word responses within one large scale volume are collected as video object representation.On the benchmark KTH（Kungliga Tekniska H？gskolan）and UCF （University of Central Florida）-sports action datasets,the experimental results show that the proposed method enhances the representative and discriminative power of action features, and improves recognition rates.Compared with other related literature,the proposed method obtains superior performance.

Influence of pavement frictional properties on braking distance

In order to study the relationship between pavement friction management criteria and braking distance requirements of road geometric design, an approach for determining the braking distance considering pavement frictional properties is proposed. A finite element model （FEM） of a rolling tire under steady state is established based on theoretical hydrodynamics and mechanics principles, in which factors, including tire type, water film thickness, pavement surface properties, and vehicle speed, are considered. With the FEM, braking distances under different operating conditions are calculated. Furthermore, the allowable water film thickness is determined by comparing braking distances calculated with friction management criteria and that required by road geometric design. The results show that the braking distance is affected by the above operating conditions. As a result, it is necessary to maintain consistency between geometric design braking distance requirements and pavement friction management to achieve safe road operations.

Efficacy and Safety of a Continuous Wound Catheter in Open Abdominal Partial Hepatectomy

Objective To investigate the efficacy and safety of continuous local anesthetic wound infiltration following open abdominal partial hepatectomy. Methods We performed a prospective, non-randomized, concurrent and controlled study. Patients undergoing open abdominal partial hepatectomy, according to their willingness, accepted one of the following managements for the postoperative pain： continuous wound catheter （CWC） infiltration, patient-controlled epidural analgesia （PCEA）, patient-controlled intravenous analgesia of morphine （PCIAM）, and patient-controlled intravenous analgesia of sufentanil （PCIAS）. The primary outcome was postoperative visual analogue scale （VAS） scores at rest and on movement. Secondary outcomes included consumption of rescue medication, side effects, and complications associated with postoperative pain management. Results From August 2013 to December 2013, 80 patients were allocated to receive CWC （n=10）, PCEA （n=22）, PCIAM （n=29）, or PCIAS （n=19）. After adjusting for age, sex, body mass index, percentage of resected liver, operation time, and Amsterdam Preoperative Anxiety and Information Scale, there was no significant difference in the VAS scores at rest or on movement between Group CWC and the other groups, namely PCEA, PCIAM, and PCIAS, at 4, 12, 48, and 72 hours postoperatively （all P〉0.05）. The need for rescue medication was not significantly different between Group CWC and the other three groups at 48 and 72 hours postoperatively （all P〉0.05）. There was no significant difference in the incidence of postoperative nausea and vomiting or anal exsufflation time between group CWC and the other three groups （all P〉0.05）. No severe adverse effects associated with continuous wound infiltration were observed during the study period. Conclusions CWC has a comparable analgesic effect compared with traditional analgesia methods at most time points postoperatively. CWC is a safe alternative for the postoperative analgesic management of open liver surgery.

Detection technique of moving target based on passive millimeter wave

To solve the problem of insufficient ability when detecting the high-speed moving target with passive millimeter wave technology, a direct-detection passive millimeter wave detecting system using the monolithic microwave integrated cir- cuit （MMIC） millimeter wave radiometer is built, and the measured data are obtained by experiment under different condi- tions. Based on feature analysis of testing signals, it points out that the peak of the first pulse and interval of two peak pulses are valid features which can reflect the motion characteristic of target. A method to calculate the moving speed of target is put forward. The calculating results indicate that the proposed method has enough accuracy and is feasible to determine the parameters of the moving target using for passive millimeter wave system.

港台女星保健有道

怎样保持身段？有钱怎么花？活到七十怎么过？美容经是什么？

Exercise and children's cognition:The role of exercise characteristics and a place for metacognition

Definitive conclusions concerning the impact of exercise interventions on children＇s mental functioning are difficult to ascertain because of procedural differences among studies. A narrative review of studies was conducted to evaluate the role of two types of exercise interventions on children＇s cognition. Acute and chronic exercise interventions were classified as quantitative or qualitative on the basis of manipulations of task complexity and, by inference, mental engagement. Both types of interventions enhance aspects of children＇s cognition; however, their effects on metacognitive processes are unknown. The role of metacognitive processes and their regulation of children＇s behavior and academic performance are highlighted.

Dynamics and screening characteristics of a vibrating screen with variable elliptical trace

The ideal motion characteristics for the vibrating screen was presented according to the principle of screening process with constant bed thickness.A new vibrating screen with variable elliptical trace was proposed.An accurate mechanical model was constructed according to the required structural motion features.Applying multi-degree-of-freedom vibration theory,characteristics of the vibrating screen was analyzed.Kinematics parameters of the vibrating screen which motion traces were linear,circular or elliptical were obtained.The stable solutions of the dynamic equations gave the motions of the vibrating screen by means of computer simulations.Technological parameters,including amplitude,movement velocity and throwing index,of five specific points along the screen surface were gained by theoretical calculation.The results show that the traces of the new designed vibrating screen follow the ideal screening motion.The screening efficiency and processing capacity may thus be effectively improved.

Large eddy simulation of the gas-particle turbulent wake flow

To find out the detailed characteristics of the coherent structures and associated particle dispersion in free shear flow, large eddy simulation method was adopted to investigate a two-dimensional particleladen wake flow. The well-known Sub-grid Scale mode introduced by Smagorinsky was employed to simulate the gas flow field and Lagrangian approach was used to trace the particles. The results showed that the typical large-scale vortex structures exhibit a stable counter rotating arrangement of opposite sign, and alternately form from the near wall region, shed and move towards the downstream positions of the wake with the development of the flow. For particle dispersion, the Stokes number of particles is a key parameter. At the Stokes numbers of 1.4 and 3.8 the particles concentrate highly in the outer boundary regions. While the particles congregate densely in the vortex core regions at the Stokes number of 0. 15, and the particles at Stokes number of 15 assemble in the vortex braid regions and the rib regions between the adjoining vortex structures.

Characteristics analysis of a novel centralized-driving flip-flow screen

During screening operation, blinding or clogging of screen perforations generally occurs to reduce the sieving capacity and efficiency. Recently, the flip-flow screening has been widely recognized as a feasible method to deal with the problem. In this paper, a novel centralized-driving flip-flow screen(CFS) was developed for the separation of fine and moist coal, and the key structures, namely, a centralized-driving mechanism and a quasi-circle beam mounted with the mat were designed for high reliability and stability. By means of a test on an experimental prototype, the effect of some factors, i.e., initial stretch and hardness of the polyurethane panel, respectively, and the rotation speed of the driving motor on the kinematic characteristic of the screen surface was investigated. Results show that without an initial stretch, the sieve mat generates the largest vibratory amplitude while the slacker the sieve mat initially is, the smaller amplitude it will accomplish. And an increase in the rotation speed could cause a rise in the vibratory amplitude. Unlike the two factors, the hardness does not have a definite effect on the kinematic performance, on which a further study is required. Finally, screening processing on a laboratory prototype was conducted to draw the conclusion that the developed CFS also has a high sieving efficiency for the fine and moist coal.