Search Results 1-20 of 25

  • 1 / 2
  • Evaluation of Forearm Musclar Function of Hemiplegic Patients Using Displacement MMG

    Yoshimoto Daichi , Furudate Yuta , Chiba Kaori , Ishida Yuji , MIKAMI Sadayoshi

    To realise an automated self-rehabilitation at home, it is necessary to provide proper feedback on the status of the recovery of the patient. In a simple finger rehabilitation, a fingertip force monit …

    2020 IEEE 2nd Global Conference on Life Sciences and Technologies (LifeTech), 277-279, 2020-03

    IR 

  • Quantification of Hemiplegia Recovery by the Measurement of Mechanomyogram at Finger Muscles  [in Japanese]

    YOSHIMOTO Daichi , FURUDATE Yuta , CHIBA Kaori , ISHIDA Yuji , MIKAMI Sadayoshi

    … In this study, we propose a new way to measure the activities of flexor and extensor muscles of fingers which uses displacement MMG (Mechanomyogram). … MMG is a method of measuring local muscle activity by deformation amount of the skin surface using a simple noncontact optical sensor. …

    The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2019(0), 2P1-M05, 2019

    J-STAGE 

  • A Simplified Analysis of Real-time Monitoring of Muscle Contraction during Dynamic Exercise Using an MMG/EMG Hybrid Transducer System

    Fukuhara Shinichi , Oka Hisao

    … <p>To evaluate muscle function accurately, it is necessary to simultaneously measure electromyogram (EMG) and mechanomyogram (MMG). … We have developed an MMG/EMG hybrid transducer system that can simultaneously measure displacement-MMG (dMMG) and EMG, and reported that the dMMG and EMG measurements reflect muscle strength during dynamic exercise. …

    Advanced Biomedical Engineering 8(0), 185-192, 2019

    J-STAGE 

  • Novel Mechanomyogram/electromyogram Hybrid Transducer Measurements Reflect Muscle Strength during Dynamic Exercise — Pedaling of Recumbent Bicycle —

    Fukuhara Shinichi , Watanabe Shogo , Oka Hisao

    … <p>Simultaneous measurements of mechanomyogram (MMG) and electromyogram (EMG) may be useful for accurate evaluation of skeletal muscle contraction. … However, unlike the EMG, the MMG is rarely used in clinical tests. … As the target muscle has to be fixed during conventional MMG measurements, it is not possible to measure MMG during dynamic exercises such as sports and rehabilitation. …

    Advanced Biomedical Engineering 7(0), 47-54, 2018

    J-STAGE 

  • Evaluation of Skeletal Muscle Contraction during Pedaling of Recumbent Bicycle using MMG / EMG Hybrid Transducer

    FUKUHARA Shinichi , FUJINAGA Takeshi , WATANABE Shogo , OKA Hisao

    … <p>Electromyogram (EMG) is recorded electrical muscle contraction, mechanomyogram (MMG) indicates cross-sectional area change of muscle, reflect mechanical muscle contraction. … However, MMG measurement at voluntary movement was difficult. … Therefore, the authors developed MMG / EMG hybrid transducer capable of simultaneous measurement of MMG and EMG. …

    Transactions of Japanese Society for Medical and Biological Engineering 54Annual(Proc), P2-C04-1-P2-C04-2, 2016

    J-STAGE 

  • Evaluation of skeletal muscle contraction during pedaling of recumbent bicycle using MMG/EMG hybrid transducer  [in Japanese]

    Fukuhara Shinichi , Fujinaga Takeshi , Watanabe Shogo , Oka Hisao

    … <p>Electromyogram (EMG) is recorded electrical muscle contraction, mechanomyogram (MMG) indicates cross-sectional area change of muscle, reflect mechanical muscle contraction. … However, MMG measurement at voluntary movement was difficult. … Therefore, the authors developed MMG / EMG hybrid transducer capable of simultaneous measurement of MMG and EMG. …

    Transactions of Japanese Society for Medical and Biological Engineering 54Annual(27PM-Abstract), S206-S206, 2016

    J-STAGE 

  • Evaluation of skeletal muscle contraction with EMG and MMG during the elbow joint exercise  [in Japanese]

    OKA HISAO , ICHIHASHI SHOTA , ARISAWA NATSUMI , FUKUHARA SHIN-ICHI

    … The EMG records muscular action potential in a body surface and the MMG (mechanomyogram) records micro vibration on the body surface caused by muscle contraction. … In this study, the skeletal muscle contraction was evaluated multilaterally using an input EMG and output MMG. … The authors used the original “MMG/EMG hybrid sensor” …

    Transactions of Japanese Society for Medical and Biological Engineering 53(Supplement), S261_01-S261_01, 2015

    J-STAGE 

  • Evaluation of isometric muscle contraction by simultaneous measurement of displacement-MMG and EMG  [in Japanese]

    Konishi Yuto , Oka Hisao

    … In order to evaluate the contractile function of the muscle, it is necessary to measure the MMG and EMG signals simultaneously which are input and output for muscle contraction, respectively. … In this study, we proposed a new evaluation method of isometric contractile function of the quadriceps muscle using the MMG / EMG hybrid sensor that can measure the MMG and EMG simultaneously. …

    IEICE technical report. ME and bio cybernetics 113(499), 69-72, 2014-03-17

    Ichushi Web 

  • Simultaneous Measurement of Displacement-MMG/EMG during Exercise

    OKA Hisao , KONISHI Yuto , KITAWAKI Tomoki

    … A mechano-myogram (MMG) directly reflects the mechanical contraction function of a muscle. … A displacement-MMG is useful to examine the characteristics of muscle contraction. … To evaluate muscle contraction, it is necessary to measure both EMG and MMG signals (EMG: input to muscles that will contract, MMG: resulting output from contraction). … The authors developed a wireless MMG/EMG hybrid transducer (45L × …

    SICE Journal of Control, Measurement, and System Integration 7(6), 332-336, 2014

    J-STAGE 

  • Wireless Hybrid Transducer of Displacement-MMG/EMG  [in Japanese]

    OKA Hisao , Konishi Yuto , KITAWAKI Tomoki , OKAMOTO Motoi

    … In order to evaluate the contractile function of skeletal muscle, is necessary to measure simultaneously both an electromyogram (EMG)and a mechanomyogram (MMG). … By the accelerometer used in the conventional MMG measurement, the MMG measurement under the exercise cannot be made. …

    IEICE technical report. ME and bio cybernetics 112(479), 51-54, 2013-03-13

    Ichushi Web 

  • Measurement of Displacement MMG and Development of a Small-sized Displacement MMG Transducer  [in Japanese]

    OKA Hisao , KITAWAKI Tomoki , OKAMOTO Motoi , ICHIHASHI Noriaki , YOSHIDA Masaki

    … The mechanomyogram (MMG) is the vibration associated with muscle contraction, which is an output signal. … When both the EMG and the MMG are measured simultaneously, muscle contraction can be evaluated correctly. …

    Biomechanisms 21(0), 219-230, 2012

    J-STAGE 

  • Two Dimensional Measurement of Displacement Mechanomyographic Signal  [in Japanese]

    OKA Hisao , HATTORI Takumu , KITAWAKI Tomoki , OKAMOTO Motoi , ICHIHASHI Noriaki , YOSHIDA Masaki

    … Mechanomyographic siganal (MMG) is a skin surface vibration caused by muscle contraction and recorded by an accelerometer, a microphone, a displacement transducer etc. … Though the EMG (electromyogram) is a signal to contract a skeletal muscle, the MMG directly reflects the activity of muscle contraction. …

    IEICE technical report 110(460), 43-48, 2011-02-28

    Ichushi Web  References (12)

  • Estimation of skeletal muscle contraction by a displacement MMG : contribution cf muscle fiber to muscle training or muscle fatigue  [in Japanese]

    OKA Hisao , ISHII Kei

    Displacement mechanomyogram (MMG) records displacement change of the skin surface caused by muscle contraction. … The fusion index (FI)-frequency curve (FFC) of displacement MMG was measured on the biceps brachii (BB) by using a laser displacement transducer before/after muscle fatigue and muscle training. …

    IEICE technical report 109(460), 73-78, 2010-03-02

    Ichushi Web  References (14) Cited by (1)

  • The Relationship between Fusion Index-Frequency Curve of Displacement-MMG and Fiber Composition of Skeletal Muscle  [in Japanese]

    WATANABE Shogo , KITAWAKI Tomoki , OKA Hisao

    … However, there are no reports of the FFC-equation applied by displacement MMG. … In this study, FFCs of displacement MMG in gastrocnemius, vastus intermedius and soleus muscles of rats were measured, and FFC-equation was applied. … As a result, the FFC waveforms of the displacement MMG resembled those of muscle force. …

    Biomechanisms 20(0), 207-216, 2010

    J-STAGE 

  • 1016 Evaluation of muscle fatigue during isometric contraction by using a displacement MMG  [in Japanese]

    ISHII Kei , KITAWAKI Tomoki , OKA Hisao

    The Proceedings of the Bioengineering Conference Annual Meeting of BED/JSME 2009.22(0), 180, 2010

    J-STAGE 

  • Estimation of skeletal muscle fatigue by a displacement MMG : in the case of isometric elbow flexion at 80% MVC  [in Japanese]

    ISHII Kei , WATANABE Shogo , OKA Hisao

    … In this study, the fatigue of biceps frachii muscle was measured by a displacement MMG (mechanomyogram) when the isometric elbow flexion at 80% MVC was kept to all out, by fixing in 120 degrees, bending position. … The displacement MMG-ARV gradually decreased with the progress of the muscle fatigue. …

    IEICE technical report 108(479), 41-46, 2009-03-04

    Ichushi Web  References (23)

  • Evaluation of skeletal muscle fatigue using displacement MMG

    Ishii Kei , Kitawaki Tomoki , Oka Hisao , Watanabe Shogo

    Proceedings of the Annual Meeting of Japan Ergonomics Society 45spl(0), 298-299, 2009

    J-STAGE 

  • Development of displacement MMG sensor using a photo-reflector  [in Japanese]

    OKA Hisao , KURIYAMA Yuki , WATANABE Shogo , KITAWAKI Tomoki , OKAMOTO Motoi

    … A piezoelectric accelerometer is generally used for the measurement of MMG (mechanomyogram). … When MMG measurement is applied to healthcare such as clinical medicine or sport science, it is necessary to measure the MMG during involuntary body movement or exercise. …

    IEICE technical report 107(541), 77-80, 2008-03-13

    Ichushi Web 

  • Development of displacement MMG sensor using a photo-reflector  [in Japanese]

    OKA Hisao , KURIYAMA Yuki , WATANABE Shogo , KITAWAKI Tomoki , OKAMOTO Motoi

    電子情報通信学会技術研究報告. MBE, MEとバイオサイバネティックス 107(541), 77-80, 2008-03-06

    References (5)

  • Detection and Measurement of Mechanomyogram(MMG)  [in Japanese]

    ITO Kunihiko , WATAKABE Makoto , AKATAKI Kumi , MITA Katsumi

    … The mechanomyogram (MMG) is a recording of the low-frequency vibrations detectable over a contracting muscle and it is associated with the mechanical activities of a number of muscle fibers. … Various transducers are used to record the MMG, including accelerometer, piezoelectric contact sensor, condenser microphone and laser distance sensor. …

    IEICE technical report. ME and bio cybernetics 101(611), 61-66, 2008-02-25

    Ichushi Web  References (7) Cited by (2)

  • 1 / 2
Page Top