Jia-Jin Chen

Professor

  • 2347 Citations
  • 28 h-Index
1986 …2020
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Research Output 1986 2019

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Article
2004
31 Citations (Scopus)

Validation of portable muscle tone measurement device for quantifying velocity-dependent properties in elbow spasticity

Lee, H. M., Chen, J-J., Ju, M-S., Lin, C-C. & Poon, P. P. W., 2004 Oct 1, In : Journal of Electromyography and Kinesiology. 14, 5, p. 577-589 13 p.

Research output: Contribution to journalArticle

Elbow
Viscosity
Elbow Joint
Equipment and Supplies
Muscles
7 Citations (Scopus)
Power transmission
Data communication systems
Networks (circuits)
Logic circuits
Silicon
2003
8 Citations (Scopus)
Microcontrollers
Power transmission
Data communication systems
Animals
Surface mount technology
14 Citations (Scopus)
Locomotion
Walking
Healthy Volunteers
Ankle Joint
Ankle
3 Citations (Scopus)

Packaging Design for Implantable Microstimulator

Hung, C. C., Chung, C. L., Young, G. S., Lin, K. P. & Chen, J. J., 2003 Sep 1, In : Journal of Medical and Biological Engineering. 23, 3, p. 129-136 8 p.

Research output: Contribution to journalArticle

Packaging
Silicones
Dams
Electrodes
Rubber
2002
69 Citations (Scopus)

Quantitative analysis of the velocity related pathophysiology of spasticity and rigidity in the elbow flexors

Lee, H. M., Huang, Y. Z., Chen, J. J. J. & Hwang, I. S., 2002 May 13, In : Journal of Neurology Neurosurgery and Psychiatry. 72, 5, p. 621-629 9 p.

Research output: Contribution to journalArticle

Torque
Elbow
Reflex
Muscle Hypertonia
Muscle Rigidity
2001
17 Citations (Scopus)
Electric Stimulation
Knee
Ankle Joint
Hip Joint
Activities of Daily Living
4 Citations (Scopus)

Development of FES-cycling system with network capability for multi-center clinical studies

Chen, H. Y., Yu, N. Y., Chen, K., Tsai, K. H., Fu, L., Chen, S. C., Huang, M. H. & Chen, J. J. J., 2001 Dec 1, In : Journal of Medical and Biological Engineering. 21, 2, p. 85-92 8 p.

Research output: Contribution to journalArticle

Electric Stimulation
Spinal Cord
Exercise equipment
Muscle Strength
Clinical Protocols
53 Citations (Scopus)

Effects of a single session of prolonged muscle stretch on spastic muscle of stroke patients.

Tsai, K. H., Yeh, C. Y., Chang, H. Y. & Chen, J-J., 2001 Jan 1, In : Proceedings of the National Science Council, Republic of China. Part B, Life sciences. 25, 2, p. 76-81 6 p.

Research output: Contribution to journalArticle

Muscle Spasticity
Stroke
Muscles
Hemiplegia
Motor Neurons
3 Citations (Scopus)

Validation of portable muscle tone measurement device based on a motor-driven system

Chen, J-J., Lee, H. M. & Huang, Y. Z., 2001 Jan 1, In : Annual International Conference of the IEEE Engineering in Medicine and Biology-Proceedings. 2, p. 1213-1215 3 p., 55.

Research output: Contribution to journalArticle

Muscle
Equipment and Supplies
Muscles
Air Bags
Hand
36 Citations (Scopus)
Young Adult
Foot
Ankle
Hip
Pressure
2000
17 Citations (Scopus)

Analysis of motor unit firing patterns in patients with central or peripheral lesions using singular-value decomposition

Sun, T. Y., Chen, J. J. & Lin, T. S., 2000 Jul 1, In : Muscle and Nerve. 23, 7, p. 1057-1068 12 p.

Research output: Contribution to journalArticle

Muscular Diseases
Computer Simulation
Stroke
Healthy Volunteers
Muscles
3 Citations (Scopus)
Muscle
Equipment and Supplies
Muscles
Stretch Reflex
Torque
34 Citations (Scopus)
Stretch Reflex
Torque
Reflex
Elbow Joint
Muscle Spasticity
1999
22 Citations (Scopus)

Multielectrode surface EMG for noninvasive estimation of motor unit size

Sun, T. Y., Lin, T-S. & Chen, J-J., 1999 Aug 1, In : Muscle and Nerve. 22, 8, p. 1063-1070 8 p.

Research output: Contribution to journalArticle

Action Potentials
Electrodes
Neurophysiological Recruitment
Neuromuscular Diseases
Architectural Accessibility
72 Citations (Scopus)
Foot
Aptitude
Cerebral palsy, spastic, diplegic
Maintenance
Pressure
1998
6 Citations (Scopus)

Initial estimation methods for dipole modeling in localization of epileptogenic focus

Chen, J-J., Yeh, J. G. & Tsai, J. J., 1998 Apr 1, In : Medical Engineering and Physics. 20, 1, p. 11-20 10 p.

Research output: Contribution to journalArticle

Singular value decomposition
Noise
Electroencephalography
1997
3 Citations (Scopus)

Application of dipole modeling in localization of mesio-temporal epileptogenic focus.

Chen, J-J., Tsai, J. J., Sheu, C. H., Lin, H. Y. & Yeh, J. G., 1997 Jan 1, In : Proceedings of the National Science Council, Republic of China. Part B, Life sciences. 21, 2, p. 61-70 10 p.

Research output: Contribution to journalArticle

Electrodes
Electromagnetic Phenomena
Electroencephalography
Head
Research
92 Citations (Scopus)

Applying fuzzy logic to control cycling movement induced by functional electrical stimulation

Chen, J-J., Yu, N. Y., Huang, D. G., Ann, B. T. & Chang, G. C., 1997 Jun 1, In : IEEE Transactions on Rehabilitation Engineering. 5, 2, p. 158-168 11 p.

Research output: Contribution to journalArticle

Fuzzy Logic
Electric Stimulation
Fuzzy logic
Controllers
Paraplegia
5 Citations (Scopus)

Spatio-temporal representation of multichannel EMG firing patterns and its clinical applications

Chen, J. J. J., Sun, T. Y., Lin, T. H. & Lin, T. S., 1997 Jun 1, In : Medical Engineering and Physics. 19, 5, p. 420-430 11 p.

Research output: Contribution to journalArticle

Motor Neurons
Spatial distribution
Neurons
Motor Activity
Spatio-Temporal Analysis
19 Citations (Scopus)
Muscle Fatigue
Electromyography
Muscle
Fatigue of materials
Fatigue
1996
52 Citations (Scopus)

Real-time implementation of electromyogram pattern recognition as a control command of man-machine interface

Chang, G. C., Kang, W. J., Jer-Junn, L., Cheng, C. K., Lai, J. S., Chen, J. J. J. & Kuo, T. S., 1996 Oct, In : Medical Engineering and Physics. 18, 7, p. 529-537 9 p.

Research output: Contribution to journalArticle

Electromyography
Pattern recognition
Digital signal processors
Maximum likelihood
Reaction Time
1995
Temporal Lobe
Electrodes
Feasibility Studies
Head
Research
1994

Assessment of asymmetric gait in hemiplegia using electromyographic phasic activity

Chen, J-J., Huseh, T. C., Liou, J. J., Hwang, I-S. & Lin, S. I., 1994 Jan 1, In : Biomedical Engineering - Applications, Basis and Communications. 6, 2, p. 211-217 7 p.

Research output: Contribution to journalArticle

Electromyography
Hemiplegia
Gait
Neurologic Gait Disorders
Research
2 Citations (Scopus)

Electromyographic analysis of habituation processes of treadmill walking to floor walking.

Hwang, I-S., Chen, J-J., Liou, J. J., Huseh, T. C. & Chou, Y. L., 1994 Jan 1, In : Proceedings of the National Science Council, Republic of China. Part B, Life sciences. 18, 3, p. 118-126 9 p.

Research output: Contribution to journalArticle

Electromyography
Walking
Locomotion
Research
Muscles
1993
20 Citations (Scopus)

Applying Al Clustering to Engineering Tasks

Fisher, D., Xu, L., Chen, J-J., Shiavi, R., Biswas, G. & Weinberg, J., 1993 Jan 1, In : IEEE Expert-Intelligent Systems and their Applications. 8, 6, p. 51-60 10 p.

Research output: Contribution to journalArticle

1992
18 Citations (Scopus)

A Quantitative and Qualitative Description of Electromyographic Linear Envelopes for Synergy Analysis

Chen, J-J., Shiavi, R. G. & Zhang, L. Q., 1992 Jan 1, In : IEEE Transactions on Biomedical Engineering. 39, 1, p. 9-18 10 p.

Research output: Contribution to journalArticle

Normal distribution
Parameter estimation
Maximum likelihood
1991
20 Citations (Scopus)

Clustering Analysis and Pattern Discrimination of EMG Linear Envelopes

Zhang, L. Q., Shiavi, R., Hunt, M. A. & Chen, J-J., 1991 Jan 1, In : IEEE Transactions on Biomedical Engineering. 38, 8, p. 777-784 8 p.

Research output: Contribution to journalArticle

Discrete Fourier transforms
Ligaments
Feature extraction
1990
34 Citations (Scopus)
Distance measurement
Dynamic programming
Feature extraction
1987
25 Citations (Scopus)

Normative childhood EMG gait patterns

Shiavi, R. G., Green, N., McFadyen, B., Frazer, M. & Chen, J., 1987, In : Journal of Orthopaedic Research. 5, 2, p. 283-295 13 p.

Research output: Contribution to journalArticle

Gait
Muscles
Electromyography
Population Characteristics
Locomotion