Search Results 1-20 of 8118

  • Neuromuscular activation of the quadriceps femoris during eccentric cycling  [in Japanese]

    江間 諒一

    本研究は、伸張性サイクリングと短縮性サイクリング時における大腿四頭筋の神経筋活動を比較することを目的とした。健常な成人男性9 名が、350 W のパワー発揮条件において、30 秒間の伸張性サイクリングと短縮性サイクリングをそれぞれ実施した。表面筋電図を用いて、サイクリング中の外側広筋の神経筋活動を定量した。ボルグスケールを用いて、それぞれのサイクリングにおける主観的運動強度を比較した。短縮性サイク …

    スポーツと人間 5(1), 69-72, 2021-01

    IR 

  • Effects of walking with a "draw-in maneuver" on the knee adduction moment and hip muscle activity

    Fujita Remi , Ota Susumu , Ogawa Yukari , Ota Hiroki

    … We also performed surface electromyography (EMG) of the hip and trunk muscles (i.e., internal oblique abdominal muscle [IO], external oblique abdominal muscle [EO], multifidus muscle [MF], and gluteus medius muscle [GM]). … The integrated EMG activity of the IO, EO, and GM during the 1st half of the stance phase, and of the IO and EO during the 2nd half of the stance phase was significantly higher during the DI than during normal gait. …

    Journal of Physical Therapy Science 33(4), 329-333, 2021

    J-STAGE 

  • Relationship between Conducting Wave and Muscle Thickness In Multi-channel Surface EMG  [in Japanese]

    Kosuge Tomohiro , Yamada Koudai , Kumagai Hiroshi

    … The action potential generated by MUs are measured as electromyography (EMG). … The multi-channel surface EMG (sEMG) is used to analyze the conduction of muscle potential. …

    IEEJ Transactions on Electronics, Information and Systems 141(4), 525-531, 2021

    J-STAGE 

  • Analysis of Conducting Waves Using Multi-Channel Surface EMG Depends on Difference in Shape of Electrodes  [in Japanese]

    Okura Kohei , Mizuno Tota , Farahani Marzieh Aliabadi , Matsumoto Yu , Mito Kazuyuki , Itakura Naoaki

    <p>The purpose of this study is to examine the difference in the characteristics of the conducting waves obtained by the difference in the electrode shape and the muscle contraction state. The e …

    IEEJ Transactions on Electronics, Information and Systems 141(4), 539-545, 2021

    J-STAGE 

  • New Analysis and Development of Surface EMG  [in Japanese]

    Kosuge Tomohiro , Itakura Naoaki

    … <p>The surface electromyography (EMG) is used to evaluate skeletal muscle, mainly in the clinical and sports science fields. … The action potential generated by MUs are measured as EMG. … Most of the use of surface EMG is to evaluate the amount of muscle activity by amplitude information. … Although surface EMG contains information on the activities of many MUs, these analyzes are rarely performed. …

    IEEJ Transactions on Electronics, Information and Systems 141(4), 505-508, 2021

    J-STAGE 

  • Investigation of the Direction of Myofiber using Multichannel Surface EMG  [in Japanese]

    Kawaguchi Taiyu , Kosuge Tomohiro , Kumagai Hiroshi

    … <p>The multichannel surface electromyography (EMG) is used to measure action potentials from the skin surface as propagation waves. … We believe that anyone can make measurements and expand its use in the clinical field by making it possible to estimate the direction of myofibers when measuring with this EMG. …

    IEEJ Transactions on Electronics, Information and Systems 141(4), 578-579, 2021

    J-STAGE 

  • Increase in masseter muscle activity by newly fabricated complete dentures improved brain function

    Nakasato Ayaka , Kobayashi Takuya , Kubota Masafumi , Yamashita Fumio , Nakaya Takaharu , Sasaki Makoto , Kihara Hidemichi , Kondo Hisatomo

    … The surface electromyographic (EMG) activity of the masseter muscles was measured. …

    Journal of Prosthodontic Research, 2021

    J-STAGE 

  • Two-way association between sleep disturbance and persistent pain  [in Japanese]

    Shuhei Yabe , Hamada Yusuke , Tanaka Kenichi , Yamabe Yoshiyuki , Narita Michiko , Kuzumaki Naoko , Narita Minoru

    … Vigilance state was divided into three stages, wakefulness, rapid eye movement (REM), and non-REM sleep, according to EEG and EMG recordings. …

    Proceedings for Annual Meeting of The Japanese Pharmacological Society 94(0), 3-P1-06, 2021

    J-STAGE 

  • Study on Friction and Adsorption Performance under Co-Existence of ZnDTP and FM  [in Japanese]

    ONODERA Ko , SATO Kaisei , WATANABE Seiya , SASAKI Shinya

    <p>Friction reduction by engine oil under low and high temperature conditions is required because of the increasing number of hybrid vehicles where oil temperature is low. Friction modifier (FM) …

    JOURNAL OF JAPANESE SOCIETY OF TRIBOLOGISTS, 2021

    J-STAGE 

  • Effects of Knee-Ankle-Foot Orthosis with Knee Joint Capable of Knee Flexion Control on the Gait of Stroke Patients  [in Japanese]

    Kawaguchi Shuntaro , Yamamoto Sumiko

    … ：対象は，回復期リハビリテーション病棟入院中で歩行が見守り以上で可能な脳卒中患者7名である．方法は，膝関節伸展固定の長下肢装具と膝関節屈曲が可能な長下肢装具で10 m歩行を行い，IMU慣性センサー・EMGを用い歩行計測を行った．</p><p>結果：膝関節のコントロールが可能な長下肢装具において，歩行速度，ストライド長，歩行率が有意に増加を示し，関節角度は歩行中の麻痺側股関節伸展，外転，外旋 …

    The Japanese Journal of Rehabilitation Medicine 58(1), 86-94, 2021

    J-STAGE 

  • Operation Reliability of Masseter Muscle Potential Measurement by User's Thermal Sensations  [in Japanese]

    Kobayashi Yuto , Kusakabe Taisei , Matsuhashi Shota , Onodera Ryoji , Shishido Michiaki

    … However, EMG measurement system malfunctioned in low temperature environments, which made it impossible to operate electric wheelchairs. …

    The Japanese Journal of the Institute of Industrial Applications Engineers 9(1), 46-52, 2021

    J-STAGE 

  • Effect of incline on lower extremity muscle activity during sprinting

    Okudaira Masamichi , Willwacher Steffen , Kuki Seita , Yoshida Takuya , Maemura Hirohiko , Tanigawa Satoru

    … Surface electromyography (EMG) was recorded from 6 muscles of the lower limbs, including gluteus maximus, gluteus medius, rectus femoris, vastus lateralis, biceps femoris, and lateral gastrocnemius lateralis. …

    The Journal of Physical Fitness and Sports Medicine 10(2), 67-74, 2021

    J-STAGE 

  • Design of Compression Running Tights with Low Physiological Load:– From the Viewpoint of <i>EMG</i> and <i>ECG</i> –  [in Japanese]

    KATO Reina , SAKASHITA Riho , MOROOKA Harumi , WATANABE Keiko

    <p>本研究では，生体負荷軽減効果をもつコンプレッション型ランニングタイツ（Cp 型タイツ）のための設計を提案することを目的として，膝屈曲姿勢パターンの導入，縮小率による衣服圧の制御，テーピングによる局所圧付与の観点から3 種のCp 型タイツを試作した．20 歳代女性7 人を被験者として，30 分間7km/h の走行実験を実施し，筋電図，心電図および主観評価に及ぼす影響を検討 した． …

    JOURNAL of the JAPAN RESEARCH ASSOCIATION for TEXTILE END-USES 62(2), 122-130, 2021

    J-STAGE 

  • Toward Personal Authentication Using Gesture Classification with EMG Data

    SHIBATA Ryusei , MIKAMI Tsuyoshi , AKIDUKI Takuma , OMAE Yuto , TAKAHASHI Hirotaka

    <p>我々は，ジェスチャ動作時の表面筋電位を用いた個人認証の可能性について検討を進めている．被験者5名に対し，6つのジェスチャを行った際の表面筋電位をそれぞれ10回ずつ測定した．我々の以前の研究では，取得した筋電位信号データの最大値，最小値，最大値の時刻，最小値の時刻の4つの特徴量を用いてSupport Vector Machine（SVM）によるジェスチャ識別を行った結果，ジェスチャ …

    Journal of Japan Society for Fuzzy Theory and Intelligent Informatics 33(1), 549-554, 2021

    J-STAGE 

  • Realization of Combined Motions by Robot Hand based on Surface and Deep Muscles' EMG  [in Japanese]

    Kimura Ryota , Iwase Masami , Nakamura Shotaro , Morioka Sakie , Hatakeyama Shoshiro , Inoue Jun

    … <p>We aim to realize combined motions of a robotic hand such as a myoelectric prosthetic arm by using Electromyography (EMG) of surface and deep muscles. … A hybrid motion estimator is proposed to recognize hand motions corresponding to measured EMG and to estimate the joint angles during each hand motion. …

    IEEJ Transactions on Electronics, Information and Systems 141(2), 130-140, 2021

    J-STAGE 

  • Semi-powered exoskeleton that regulates the muscular activity of jaw movement for oral functional rehabilitation/training

    KAMEDA Takashi , SAKAMOTO Makoto , TERADA Kazuto

    <p>The sequential oral functions of mastication and swallowing are well tuned in humans. To prevent oral hypofunction as a risk factor for systemic frailty by oral motor training, semi-powered e …

    Dental Materials Journal 40(1), 101-109, 2021

    J-STAGE 

  • Insurance coverage of the electromyography during sleep for sleep bruxism and revolution of dental medicine  [in Japanese]

    Yamaguchi Taihiko , Mikami Saki , Maeda Masana , Saito Miku , Gotouda Akihito

    <p>　睡眠時ブラキシズム（SB）は，さまざまな歯科疾患のリスクファクターとなることが危惧され，その治療，管理は歯科臨床における重要な課題である．SBの治療，管理には的確な診断，評価が不可欠であり，歯科臨床への正確かつ簡便な検査法の開発導入が切望されてきた．2020年4月にSBに対する睡眠時筋電図検査が保険収載されるに至った．ウェアラブル筋電計を用いた睡眠時筋電図検査の日常臨床への導入 …

    Annals of Japan Prosthodontic Society 13(1), 28-33, 2021

    J-STAGE 

  • Study on Friction Performance under Co-Existence of MoDTC and Adsorption FM  [in Japanese]

    ONODERA Ko , SATO Yuko , SATO Kaisei , WATANABE Seiya , SASAKI Shinya

    <p>Friction reduction by engine oil under low temperature as well as high temperature conditions are required because of the increasing number of hybrid vehicles where bulk oil temperature is lo …

    JOURNAL OF JAPANESE SOCIETY OF TRIBOLOGISTS 66(1), 77-85, 2021

    J-STAGE 

  • Fundamental research on surface electromyography analysis using discrete wavelet transform—an analysis of the central nervous system factors affecting muscle strength

    Morozumi Kazunori , Ohsugi Hironori , Morishita Katsuyuki , Yokoi Yuka

    … [Participants and Methods] Surface electromyography (EMG) of the right upper bicep muscle in 16 healthy adult males were measured at 10% MVC (maximum voluntary isometric contraction), 30%, 50%, 70%, and 80% to 100% MVC. … We used a discrete wavelet transform for the electromyographic analysis and calculated the median instantaneous frequency spectrum (MDF) and frequency band component content rate (FCR) at 1-ms intervals as well as their spectrum integrated values (I-EMG). …

    Journal of Physical Therapy Science 33(1), 63-68, 2021

    J-STAGE 

  • Evaluation of EMG/MMG/NIRS Layered Sensor in Isometric Ramp Contraction of Forearm

    Kimoto Akira , Minami Koki

    … <p>A new multilayered sensor that allows simultaneous measurement of electromyography (EMG), mechanomyography (MMG), and near-infrared spectroscopy (NIRS) signals is developed for a more detailed analysis of muscular activity. … EMG, MMG, and NIRS signals, which provide three types of information, are measured using the ITO electrodes, PVDF film, and optical sensors. …

    IEEJ Transactions on Sensors and Micromachines 141(1), 26-31, 2021

    J-STAGE 

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