Filters








863 Hits in 7.3 sec

System identification of ankle joint dynamics based on plane-wave ultrasound muscle imaging

Boudewine W. Ossenkoppele, Verya Daeichin, Karen E. Rodriguez Hernandez, Nicolaas de Jong, Martin D. Verweij, Alfred C. Schouten, Winfred Mugge
2019 2019 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)  
This study uses plane-wave ultrasound imaging to investigate the dynamic relation between ankle joint angle and muscle fiber stretch.  ...  Concluding, plane-wave ultrasound muscle imaging is feasible for system identification experiments and shows that muscle length and ankle angle are proportional during a relax task with small continuous  ...  System identification of ankle joint dynamics based on plane-wave ultrasound muscle imaging Boudewine W. Ossenkoppele 1 , Verya Daeichin 1,3 , Karen E.  ... 
doi:10.1109/embc.2019.8856501 pmid:31946317 fatcat:qaup5bqux5a43pvwnsacfkgclu

Techniques for In Vivo Measurement of Ligament and Tendon Strain: A Review

Qiang Zhang, Naomi C. Adam, S. H. Hosseini Nasab, William R. Taylor, Colin R. Smith
2020 Annals of Biomedical Engineering  
However, ultrasound can only image superficial tissues, and measurements are confounded by out-of-plane tissue motion.  ...  safe and non-invasive imaging of soft tissue deformation.  ...  This technique has been applied to assess the slack length of the AT 75 and the ankle angle when the individual triceps surae muscles are slack. 65 Key Findings Ultrasound based strain measurements  ... 
doi:10.1007/s10439-020-02635-5 pmid:33025317 fatcat:4egyjxkmgnejnhzfux7kdsimsi

Quantification Of Soft Tissue Artefacts Using Motion Capture Data And Ultrasound Depth Measurements

Azadeh Rouhandeh, Chris Joslin, Zhen Qu, Yuu Ono
2014 Zenodo  
In human movement analysis, the hip joint center can be estimated using a functional method based on the relative motion of the femur to pelvis measured using reflective markers attached to the skin surface  ...  The centre of rotation of the hip joint is needed for an accurate simulation of the joint performance in many applications such as pre-operative planning simulation, human gait analysis, and hip joint  ...  Ultrasound is a non-invasive and low cost imaging modality which sends out high-frequency sound waves through the body and then measure the returning sound waves which have information about the depth  ... 
doi:10.5281/zenodo.1093233 fatcat:miv4b2axibhmfbyc3cnawbo7xe

Musculoskeletal ultrasonography in physical and rehabilitation medicine

L Özçakar, F Tok, M Muynck, G Vanderstraeten
2012 Journal of Rehabilitation Medicine  
, repeatable, providing dynamic imaging and not requiring any exposure to radiation).  ...  , nerve, joint lesions and ultrasound guided interventions.  ...  Fig. 6 . 6 A 55-year-old veteran athlete evaluated after an ankle sprain. Fig. 7 . 7 Comparative ankle joint imaging of a runner: anterior tibio-talar joint, longitudinal view.  ... 
doi:10.2340/16501977-0959 pmid:22402760 fatcat:ru6bktzqkjbv7ganprctf6avr4

The Development and Clinical Applications of Musculoskeletal Ultrasound

2012 Ultrasound Quarterly  
highresolution machines that are the size of laptops using compact hand-held probes designed for both external and internal imaging.  ...  Musculoskeletal ultrasound has come a long way in 40 years.  ...  Acknowledgements Grateful thanks to Dr Michael Halliwell for fascinating insights into the early days of ultrasound, Joseph Alsousou University of Oxford, a collaborator with elastography, and Pauline  ... 
doi:10.1097/01.ruq.0000412972.11577.38 fatcat:x4gpzwl3hbbknc26yi73iaiaa4

The development and clinical applications of musculoskeletal ultrasound

Eugene G McNally
2011 Skeletal Radiology  
highresolution machines that are the size of laptops using compact hand-held probes designed for both external and internal imaging.  ...  Musculoskeletal ultrasound has come a long way in 40 years.  ...  Acknowledgements Grateful thanks to Dr Michael Halliwell for fascinating insights into the early days of ultrasound, Joseph Alsousou University of Oxford, a collaborator with elastography, and Pauline  ... 
doi:10.1007/s00256-011-1220-5 pmid:21847751 fatcat:jgof2sexzzcbtozxt2z7sk2ytq

The utility of ultrasound in juvenile idiopathic arthritis

Emil Michalski, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland, Maria Sotniczuk, Marta Idzior, Piotr Gietka, Mateusz Kotecki, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland, Developmental Age Rheumatology Clinic and Policlinic, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland
2020 Pediatria i Medycyna Rodzinna  
Due to the limited ultrasound wave penetration, axial skeleton imaging is unfortunately compromised.  ...  Oligoarthritis 27-60% of children with JIA. One to four joints are affected within six months of onset. The most commonly affected joint is the knee, followed by the ankle.  ...  Conflict of interest The authors whose names are listed above certify that they have no affiliations with or involvement in any organisation or entity with any financial interest (such as honoraria; educational  ... 
doi:10.15557/pimr.2020.0033 fatcat:6htsagnenbbvzb4lof253agi4a

Magnetic resonance imaging in inflammatory rheumatoid diseases

Iwona Sudoł-Szopińska, Joanna Mróz, Monika Ostrowska, Brygida Kwiatkowska
2016 Rheumatology  
for identification of complications.  ...  Finally, methods for the assessment of MR images are listed, including the semi-quantitative method by RAMRIS and quantitative dynamic examination.  ...  Magnetic resonance imaging hardware and magnets Magnetic resonance imaging is based on the wellknown physical phenomenon of resonance, in this case magnetic resonance, i.e. stimulation, by radio waves  ... 
doi:10.5114/reum.2016.62471 pmid:27826171 pmcid:PMC5090025 fatcat:5yjrjlpf6na6pofpx5po7obm3m

A Pilot Study of Musculoskeletal Abnormalities in Patients in Recovery from a Unilateral Rupture-Repaired Achilles Tendon

Dong Sun, Gusztáv Fekete, Julien S. Baker, Qichang Mei, Bíró István, Yan Zhang, Yaodong Gu
2020 International Journal of Environmental Research and Public Health  
The bilateral Achilles tendon (AT) lengths were evaluated using ultrasound imaging.  ...  The purpose of this study was to compare the inter-limb joint kinematics, joint moments, muscle forces, and joint reaction forces in patients after an Achilles tendon rupture (ATR) via subject-specific  ...  Conflicts of Interest: The authors declare no conflicts of interest. Int. J. Environ. Res. Public Health 2020, 17, 4642  ... 
doi:10.3390/ijerph17134642 pmid:32605170 pmcid:PMC7369810 fatcat:hjodgbxp6zgwrh6ggscqye6el4

Diagnostic ultrasound in the athlete's locomotor system

H Mellerowicz, E Stelling, A Kefenbaum
1990 British Journal of Sports Medicine  
Clinical classification based on ultrasound findings is important for the continued treatment of muscle injuries35681" For the purpose of verifying these observations, cadaver examinations were carried  ...  Ankle joint Due to surface unevenness, the ankle joint can usually only be examined by using a conduction aid such as a purpose-designed gel or a water-bag.  ... 
doi:10.1136/bjsm.24.1.31 pmid:2190668 pmcid:PMC1478766 fatcat:bhfeauckgra7dog2w5m6dci7tu

Spasticity: Diagnosis and Treatment [chapter]

Alexander Kovalenko, Viktor Misikov, Konstantin Sinelnikov, Valeriy Shamigulov, Dmitrii Iskra, Svetlana E. Khatkova, Denis V. Kovlen
2020 Neurostimulation and Neuromodulation in Contemporary Therapeutic Practice  
The diagnosis is based on methods of manual testing and differential diagnosis of spastic muscles, methods of quantitative assessment of spasticity on the basis of the Tardieu scale.  ...  IME location diagrams and ultrasound picture of muscles are presented. Scales are proposed to assess the effect of spasticity on the functions of the upper and lower limbs.  ...  All spastic muscle testing methods are based on two principles: 1. Identification and activation of exclusive and additional functions of the studied muscle. 2.  ... 
doi:10.5772/intechopen.91046 fatcat:ej5e5wjpdved5e4po2fgm6clke

Modelling and in vivo evaluation of tendon forces and strain in dynamic rehabilitation exercises: a scoping review

Adrian Escriche-Escuder, Antonio I Cuesta-Vargas, Jose Casaña
2022 BMJ Open  
Fourteen studies used an indirect methodology based on inverse dynamics, nine of them in the Achilles and five in the patellar tendon.  ...  Four studies measured strain using ultrasound-based techniques.ConclusionsThere is a predominant use of inverse dynamics, but force transducers, optic fibre and estimations from strain data are also used  ...  based on joint position and individual limb lengths.  ... 
doi:10.1136/bmjopen-2021-057605 pmid:35879000 pmcid:PMC9328104 fatcat:rjab3xn2sbgojmh7xym4pbkjie

Muscle–Tendon Behavior and Kinetics in Gastrocnemius Medialis During Forefoot and Rearfoot Strike Running

Tomonari Takeshita, Hiroaki Noro, Keiichiro Hata, Taira Yoshida, Tetsuo Fukunaga, Toshio Yanagiya
2021 Journal of Applied Biomechanics  
The present study aimed to clarify the effect of the foot strike pattern on muscle–tendon behavior and kinetics of the gastrocnemius medialis during treadmill running.  ...  The fascicle behavior of gastrocnemius medialis was captured using a B-mode ultrasound system with a sampling rate of 75 Hz, and the mechanical work done and power exerted by the fascicle and tendon were  ...  This work was supported by the Joint Research Program of Juntendo University, Faculty of Health and Sports Science. The authors have no conflict of interest to disclose.  ... 
doi:10.1123/jab.2020-0229 pmid:33771942 fatcat:vj6wub2pn5gj7gla23ivxun36u

2020 Index IEEE Transactions on Biomedical Engineering Vol. 67

2020 IEEE Transactions on Biomedical Engineering  
., Pseudo-Bayesian Model-Based Noninvasive Intracranial Pressure Estimation and Tracking; TBME June 2020 1604-1615 Imtiaz, M.H., see Belsare, P., 2309-2316 Inan, O.T., see Mabrouk, S., 1019-1029 Inan  ...  Chiang, K., and Jung, T., Facilitating Calibration in High-Speed BCI Spellers via Leveraging Cross-Device Shared Latent Responses; TBME April 2020 1105-1113 Narayanan, A.M., and Bertrand, A., Analysis of  ...  ., +, TBME March 2020 718-725 Model-Based Estimation of Individual Muscle Force Based on Measure- ments of Muscle Activity in Forearm Muscles During Isometric Tasks.  ... 
doi:10.1109/tbme.2020.3048339 fatcat:y7zxxew27fgerapsnrhh54tm7y

Targeted Achilles Tendon Training and Rehabilitation Using Personalized and Real-Time Multiscale Models of the Neuromusculoskeletal System

Claudio Pizzolato, Vickie B. Shim, David G. Lloyd, Daniel Devaprakash, Steven J. Obst, Richard Newsham-West, David F. Graham, Thor F. Besier, Ming Hao Zheng, Rod S. Barrett
2020 Frontiers in Bioengineering and Biotechnology  
A key feature is personalization of model components, such as tendon geometry, material properties, muscle geometry, muscle-tendon paths, moment arms, muscle activation, and movement patterns, all of which  ...  We then describe how these technologies can be integrated in a novel framework to provide real-time feedback of localized Achilles tendon strain during dynamic motor tasks.  ...  These muscle forces are subsequently applied to a personalized FE model of the Achilles tendon based on geometry and material properties determined from a combination of 3D medical imaging, isometric measurements  ... 
doi:10.3389/fbioe.2020.00878 pmid:32903393 pmcid:PMC7434842 fatcat:nxtmqb5nhze6xcqbdq4ylvxr2q
« Previous Showing results 1 — 15 out of 863 results