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Proceedings of the 1996 Fifteenth Southern Biomedical Engineering Conference最新文献

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A numerical model to simulate micro-fracture of field hockey players due to jumping 一种模拟曲棍球运动员跳跃微骨折的数值模型
Proceedings of the 1996 Fifteenth Southern Biomedical Engineering Conference Pub Date : 1996-03-29 DOI: 10.1109/SBEC.1996.493285
M. Hasan, H. Singh Ranu, J. Lander
{"title":"A numerical model to simulate micro-fracture of field hockey players due to jumping","authors":"M. Hasan, H. Singh Ranu, J. Lander","doi":"10.1109/SBEC.1996.493285","DOIUrl":"https://doi.org/10.1109/SBEC.1996.493285","url":null,"abstract":"A linear elastic fracture mechanics approach has been considered to understand the impact behavior of ankles and knees due to jumping. By using a crack increment model and a fatigue crack propagation model, simulation of the fracture due to repetitive jumps are evaluated. To aid the numerical calculation, an experimental study on standing jump by two Indian field hockey players on a force plate under standardized conditions were also carried out. The study reveals that 19 jumps are sufficient to cause micro-fracture of bone for a net force of 2879 N. This analysis may further help in understanding of fracture fixation of bone.","PeriodicalId":294120,"journal":{"name":"Proceedings of the 1996 Fifteenth Southern Biomedical Engineering Conference","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114517415","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Correlation of autonomic function tests to the HRV signal analysed using short time Fourier transform 利用短时傅里叶变换分析了自主功能测试与HRV信号的相关性
Proceedings of the 1996 Fifteenth Southern Biomedical Engineering Conference Pub Date : 1996-03-29 DOI: 10.1109/SBEC.1996.493168
T. Srikanth, M. Reddy, D. Prabhakar, M.R. Sridevi
{"title":"Correlation of autonomic function tests to the HRV signal analysed using short time Fourier transform","authors":"T. Srikanth, M. Reddy, D. Prabhakar, M.R. Sridevi","doi":"10.1109/SBEC.1996.493168","DOIUrl":"https://doi.org/10.1109/SBEC.1996.493168","url":null,"abstract":"In this work, traditional, clinical methods of evaluating autonomic neural control systems are compared with the newer method based on the signal processing applied on heart rate variability (HRV) signal. The information available from the time-frequency representation of HRV signals is useful in classifying the subject population into 4 classes namely normal, sympathetic loss, parasympathetic loss and combined losses. The results suggest that the presence of autonomic neuropathy can be clearly detected by short time HRV signal analysis possible in the clinical environment.","PeriodicalId":294120,"journal":{"name":"Proceedings of the 1996 Fifteenth Southern Biomedical Engineering Conference","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114422679","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Computer navigated assurance system in treating low back pain 计算机导航保障系统治疗腰痛
Proceedings of the 1996 Fifteenth Southern Biomedical Engineering Conference Pub Date : 1996-03-29 DOI: 10.1109/SBEC.1996.493269
H.K. Park, C. Steiner, N. Guzelsu, F. Diaz
{"title":"Computer navigated assurance system in treating low back pain","authors":"H.K. Park, C. Steiner, N. Guzelsu, F. Diaz","doi":"10.1109/SBEC.1996.493269","DOIUrl":"https://doi.org/10.1109/SBEC.1996.493269","url":null,"abstract":"A computer-based multidimensional pain scale (MPS) system was utilized with an objective study to guide conservative treatment for low back pain. The results suggest MPS using a pain rating index is well correlated with selected objective measurement during the treatment period.","PeriodicalId":294120,"journal":{"name":"Proceedings of the 1996 Fifteenth Southern Biomedical Engineering Conference","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126991177","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Biomechanics of musical performance: development of expertise in a natural task, playing the trombone 音乐表演的生物力学:在自然任务中发展专业知识，演奏长号
Proceedings of the 1996 Fifteenth Southern Biomedical Engineering Conference Pub Date : 1996-03-29 DOI: 10.1109/SBEC.1996.493112
M. Lammers, M. Kruger, L. Stoner, R. Fuller, D. Allyn
{"title":"Biomechanics of musical performance: development of expertise in a natural task, playing the trombone","authors":"M. Lammers, M. Kruger, L. Stoner, R. Fuller, D. Allyn","doi":"10.1109/SBEC.1996.493112","DOIUrl":"https://doi.org/10.1109/SBEC.1996.493112","url":null,"abstract":"The movement of the right arm of professional and novice trombone players was studied during musical performance. Data taken from the trombone slide, wrist and elbow indicate that there are similarities of activity among players, but professional performers move the slide more efficiently and use less elbow angle. Professionals also accelerate the slide faster than amateurs. Individual variability in motion was greatest in the wrist. The researchers believe that the biomechanical study of musical performance will contribute to increased understanding of expertise, improved pedagogy, and potentially an understanding of movement related injuries.","PeriodicalId":294120,"journal":{"name":"Proceedings of the 1996 Fifteenth Southern Biomedical Engineering Conference","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126124781","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Shear bond strengths of dental composites cured at elevated temperatures 高温固化牙科复合材料的剪切粘接强度
Proceedings of the 1996 Fifteenth Southern Biomedical Engineering Conference Pub Date : 1996-03-29 DOI: 10.1109/SBEC.1996.493136
A. Puckett, J. Fitchie, S. Reynolds
{"title":"Shear bond strengths of dental composites cured at elevated temperatures","authors":"A. Puckett, J. Fitchie, S. Reynolds","doi":"10.1109/SBEC.1996.493136","DOIUrl":"https://doi.org/10.1109/SBEC.1996.493136","url":null,"abstract":"This study was undertaken to compare the shear bond strengths of a composite and dental adhesive system cured at room temperature to composites cured at 37/spl deg/C. Bovine incisors were embedded in cold curing acrylic. The facial surfaces were ground using SiC papers to expose enamel or dentin surfaces. The surfaces were prepared using the manufacturers directions and bonded at 22/spl deg/C and 50% relative humidity or 37/spl deg/C and 50% relative humidity. The shear bond strengths of the composite and adhesive were measured after storage in wafer at 37/spl deg/C for 24 hours. There was no significant difference in the enamel bond strengths, however the room temperature cured dentin samples exhibited higher bond strengths than the samples cured at 37/spl deg/C.","PeriodicalId":294120,"journal":{"name":"Proceedings of the 1996 Fifteenth Southern Biomedical Engineering Conference","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124239985","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A new approach for on-line ECG characterization 一种新的心电在线表征方法
Proceedings of the 1996 Fifteenth Southern Biomedical Engineering Conference Pub Date : 1996-03-29 DOI: 10.1109/SBEC.1996.493262
J. Sahambi, S. Tandon, R. Bhatt
{"title":"A new approach for on-line ECG characterization","authors":"J. Sahambi, S. Tandon, R. Bhatt","doi":"10.1109/SBEC.1996.493262","DOIUrl":"https://doi.org/10.1109/SBEC.1996.493262","url":null,"abstract":"A new system has been developed for on-line processing of EGG. The wavelet technique has been used for processing of the electrocardiogram to provide a precise definition of timing intervals. Multiscale analysis by optimized wavelets combined with digital signal processing (DSP) hardware and a PC results in a low cost system with on-line capabilities. The performance of the system was evaluated with MIT/BIH ECG data base and Standard CSE ECG library. The results indicate an accuracy of 95% in feature extraction in the presence of noise.","PeriodicalId":294120,"journal":{"name":"Proceedings of the 1996 Fifteenth Southern Biomedical Engineering Conference","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124752609","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Development of a X-window based bioelectric mapping software system 基于x窗口的生物电绘图软件系统的开发
Proceedings of the 1996 Fifteenth Southern Biomedical Engineering Conference Pub Date : 1996-03-29 DOI: 10.1109/SBEC.1996.493224
X. Yu, Dongsheng Wu, Bin He
{"title":"Development of a X-window based bioelectric mapping software system","authors":"X. Yu, Dongsheng Wu, Bin He","doi":"10.1109/SBEC.1996.493224","DOIUrl":"https://doi.org/10.1109/SBEC.1996.493224","url":null,"abstract":"The authors have developed a multi-purpose X-window based mapping software system. This software system can be used to analyze and display body surface maps of the Laplacian electrocardiogram, potential electrocardiogram, electroencephalogram, etc.","PeriodicalId":294120,"journal":{"name":"Proceedings of the 1996 Fifteenth Southern Biomedical Engineering Conference","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124649451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Three-dimensional pulsatile flow through a bifurcation 通过分岔的三维脉动流
Proceedings of the 1996 Fifteenth Southern Biomedical Engineering Conference Pub Date : 1996-03-29 DOI: 10.1109/SBEC.1996.493124
C. Yung, K. Dewitt, S. Subramanian, A. Afjeh, T. Keith
{"title":"Three-dimensional pulsatile flow through a bifurcation","authors":"C. Yung, K. Dewitt, S. Subramanian, A. Afjeh, T. Keith","doi":"10.1109/SBEC.1996.493124","DOIUrl":"https://doi.org/10.1109/SBEC.1996.493124","url":null,"abstract":"Pulsatile flow of an incompressible, Newtonian fluid through a symmetric bifurcated rigid channel was numerically analyzed by solving the three-dimensional Navier-Stokes equations. The bifurcation was symmetrical with a branch angle of 60/spl deg/ and a daughter to mother area ratio of 2.0. The predicted velocity patterns were in qualitative agreement with experimental measurements available in the literature. The effect of unsteadiness on the various flow characteristics was studied. The most drastic effect observed was on the flow reversal regions. There was no flow reversal at the highest inlet Reynolds number in the pulse cycle, whereas in the case of steady flow at the same Reynolds number, the flow reversal region was the largest. The presence of secondary flow was observed at all times during the pulse cycle. Shear stress was calculated along the outer and inner walls and the low and high time averaged shear stress regions correspond to the clinically observed sites of formation of atherosclerotic plaque and lesions.","PeriodicalId":294120,"journal":{"name":"Proceedings of the 1996 Fifteenth Southern Biomedical Engineering Conference","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125710667","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Feasibility of determining diffusion characteristics of bioceramics using gamma scintigraphy 用伽马闪烁成像测定生物陶瓷扩散特性的可行性
Proceedings of the 1996 Fifteenth Southern Biomedical Engineering Conference Pub Date : 1996-03-29 DOI: 10.1109/SBEC.1996.493157
J. Smith, D. Reynolds, P. K. Bajpai, A. Sedaghat
{"title":"Feasibility of determining diffusion characteristics of bioceramics using gamma scintigraphy","authors":"J. Smith, D. Reynolds, P. K. Bajpai, A. Sedaghat","doi":"10.1109/SBEC.1996.493157","DOIUrl":"https://doi.org/10.1109/SBEC.1996.493157","url":null,"abstract":"This study investigated the feasibility of determining an apparent diffusion coefficient for diffusion of technetium-99m-labeled albumin (MICROLITE/sup R/) through ZCAP (Zinc-Calcium-Phosphorous Oxide) ceramics. Gamma scintigraphy was used for non-invasive observation of diffusion. Data analysis assumed a well-mixed solution, steady-state conditions over the measurement time interval, and passive diffusion as the primary mode of mass transport through the ceramic. Attenuation of 140 keV gamma rays was found to be significant in ZCAP ceramic. Although the data obtained was not adequate to calculate an apparent diffusion coefficient, such a determination appears feasible with modifications to the test protocol.","PeriodicalId":294120,"journal":{"name":"Proceedings of the 1996 Fifteenth Southern Biomedical Engineering Conference","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134469517","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The adaptations to fatigue during a repetitive lifting test 在重复提升试验中对疲劳的适应
Proceedings of the 1996 Fifteenth Southern Biomedical Engineering Conference Pub Date : 1996-03-29 DOI: 10.1109/SBEC.1996.493147
P. Sparto, M. Parnianpour, T. Reinsel, S. Simon
{"title":"The adaptations to fatigue during a repetitive lifting test","authors":"P. Sparto, M. Parnianpour, T. Reinsel, S. Simon","doi":"10.1109/SBEC.1996.493147","DOIUrl":"https://doi.org/10.1109/SBEC.1996.493147","url":null,"abstract":"Twelve subjects performed a fatiguing repetitive lift in the sagittal plane until exhaustion to discover the effect of fatigue on changes in kinematics, postural stability, and coordination. A load equal to 25% of the subjects' isoinertial lifting capacity was repetitively lifted and lowered at a maximal lifting rate from mid-tibia to waist height. Knee and hip range of motion were significantly decreased, while peak trunk flexion increased at the end of the task. Postural stability decreased and subjects extended their knee, hip and spine earlier in the lifting phase, at the end of the task. Some of these adaptations are indicative of mechanisms that may cause increased loading of the passive tissues of the spine and hence increased risk of injury, while others need to be investigated further.","PeriodicalId":294120,"journal":{"name":"Proceedings of the 1996 Fifteenth Southern Biomedical Engineering Conference","volume":"103 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134390502","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
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