scholarly journals Relationship between perceived exertion and mean power frequency of the EMG signal from the upper trapezius muscle during isometric shoulder elevation

2005 ◽  
Vol 95 (4) ◽  
pp. 321-326 ◽  
Author(s):  
A. Hummel ◽  
T. Läubli ◽  
M. Pozzo ◽  
P. Schenk ◽  
S. Spillmann ◽  
...  
Keyword(s):  
Perceived Exertion ◽  
Trapezius Muscle ◽  
Mean Power ◽  
Mean Power Frequency ◽  
Upper Trapezius ◽  
Emg Signal ◽  
Power Frequency ◽  
Upper Trapezius Muscle ◽  
Shoulder Elevation

scholarly journals Light Sleep Detection based on Surface Electromyography Signals for Nap Monitoring

2022 ◽  
Vol 16 ◽  
pp. 140-145
Author(s):  
Wachiraporn Aiamklin ◽  
Yutana Jewajinda ◽  
Yunyong Punsawad
Keyword(s):  
Surface Electromyography ◽  
Sleep Stage ◽  
Low Cost ◽  
Trapezius Muscle ◽  
Sleep Stages ◽  
Upper Trapezius ◽  
Emg Signal ◽  
Power Frequency ◽  
Upper Trapezius Muscle ◽  
Waking Up

This paper proposes the development of automatic sleep stage detection by using physiological signals. We aim to develop an application to assist drivers after drowsiness or fatigue detection by a commercial driver vigilance system. The proposed method used a low-cost surface electromyography (EMG) device for sleep stage detection. We investigate skeletal muscle location and EMG features from sleep stage 2 to provide an EMG-based nap monitoring system. The results showed that using only one channel of a bipolar EMG signal from an upper trapezius muscle with median power frequency can achieve 84% accuracy. We implement a MyoWare muscle sensor into the proposed nap monitoring device. The results showed that the proposed system is feasible for detecting sleep stages and waking up the napper. A combination of EMG and electroencephalogram (EEG) signals might be yield a high system performance for nap monitoring and alarm system. We will prototype a portable device to connect the application to a smartphone and test with a target group, such as truck drivers and physicians.

scholarly journals Assessment of force and fatigue in isometric contractions of the upper trapezius muscle by surface EMG signal and perceived exertion scale

2008 ◽  
Vol 28 (2) ◽  
pp. 179-186 ◽  
Author(s):  
Amedeo Troiano ◽  
Francesco Naddeo ◽  
Erik Sosso ◽  
Gianfranco Camarota ◽  
Roberto Merletti ◽  
...  
Keyword(s):  
Perceived Exertion ◽  
Trapezius Muscle ◽  
Surface Emg ◽  
Isometric Contractions ◽  
Upper Trapezius ◽  
Emg Signal ◽  
Upper Trapezius Muscle ◽  
Surface Emg Signal

Assessment of force and fatigue in isometric contractions of upper trapezius muscle by perceived exertion scale and EMG signal

2008 ◽  
Vol 28 ◽  
pp. S37-S38 ◽  
Author(s):  
A. Troiano ◽  
L. Mesin ◽  
F. Naddeo ◽  
E. Sosso ◽  
G. Camarota ◽  
...  
Keyword(s):  
Perceived Exertion ◽  
Trapezius Muscle ◽  
Isometric Contractions ◽  
Upper Trapezius ◽  
Emg Signal ◽  
Upper Trapezius Muscle

scholarly journals Visceral Manipulation Decreases Pain, Increases Cervical Mobility and Electromyographic Activity of the Upper Trapezius Muscle in Non-Specific Neck Pain Subjects with Functional Dyspepsia: Two Case Reports

2019 ◽  
Vol 12 (2) ◽  
pp. 25-30
Author(s):  
Andréia C. O. Silva, PT, MSc ◽  
Claudia S. Oliveira, PT, PhD ◽  
Daniela A. Biasotto-Gonzalez, PT, PhD ◽  
Marco A. Fumagalli, Eng, PhD ◽  
Fabiano Politti, PT, PhD
Keyword(s):  
Neck Pain ◽  
Range Of Motion ◽  
Case Reports ◽  
Trapezius Muscle ◽  
Emg Activity ◽  
Electromyographic Activity ◽  
Upper Trapezius ◽  
Emg Signal ◽  
Upper Trapezius Muscle ◽  
One Year

Background and Purpose: The lack of clear knowledge about the etiology of nonspecific neck pain (NS-NP) strengthens the need for other mech-anisms, still poorly described in the literature, to be investigated. Therefore, a quantitative analysis of two cases of NS-NP in subjects with functiona dyspepsia was conducted in order to verify the immediate and seven-day postintervention effects of visceral manipulation (VM) to the stomach and liver on neck pain, cervical range of motion (ROM), and electromyographic (EMG) activity of the upper trapezius muscle. Case Description: Case A was an 18-year-old female with a complaint of nonspecific neck pain for one year, with reported pain on waking, momentary intermittent pain, and occasional symptoms of paresthesia in the upper limbs. Case B was a 25-year-old female with a complaint of cervical pain for one year, accompanied by pain in the unilateral temporomandibular joint, and medial thoracic region. Both cases presented functional dyspepsia.Outcomes: The results demonstrated (sub-jects A and B, respectively) a general increase in cervical ROM (range: 12.5% to 44.44%) and amplitude of the EMG signal (immediately postintervention: 57.62 and 20.78; post seven days: 53.54% and 18.83%), and an increase in muscle fiber conduction velocity immediately postintervention (4.44% and 7.44%) and a de-crease seven days postintervention (25.25% and 21.18%). For pain, a decrease was observed immediately postintervention (23.07% and 76.92%) and seven days postintervention (100% for both subjects). Discussion: A single VM provided important clinical improvement in neck pain, cervical spine range of motion, and EMG activity of the upper trapezius muscle, immediately and seven days postintervention in two NS-NP subjects with func-tional dyspepsia.

Variability of the EMG mean power frequency: A study on the trapezius muscle

1991 ◽  
Vol 1 (4) ◽  
pp. 237-243 ◽  
Author(s):  
Tommy Öberg ◽  
Leif Sandsjö ◽  
Roland Kadefors
Keyword(s):  
Trapezius Muscle ◽  
Mean Power ◽  
Mean Power Frequency ◽  
Power Frequency

Electromyogram mean power frequency in non-fatigued trapezius muscle

1990 ◽  
Vol 61 (5-6) ◽  
pp. 362-369 ◽  
Author(s):  
Tommy �berg ◽  
Leif Sandsj� ◽  
Roland Kadefors
Keyword(s):  
Trapezius Muscle ◽  
Mean Power ◽  
Mean Power Frequency ◽  
Power Frequency
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