Results 231 to 240 of about 15,847 (247)
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Pressure in the Erector Spinae Muscle during Exercise
Spine, 1987The microcapillary infusion method was evaluated in recording intramuscular pressure during isometric and concentric exercise of the erector spinae muscle. Intramuscular pressure at rest was 6.1 (SD = 1.4) mm Hg without infusion and 8.3 with an infusion rate of 1.5 ml/hour.
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Histochemistry and Morphology of Erector Spinae Muscle in Lumbar Disc Herniation
Spine, 1989The purpose of this study was to detect any changes in the erector spinae muscles in patients undergoing surgery for lumbar disc herniation (LDH) and to analyze which factors (sex, age, the level and site of disc protrusion, and duration of symptoms) would be related to these changes.
X Z, Zhu +3 more
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Isovelocity investigation of the lengthening behaviour of the erector spinae muscles
European Journal of Applied Physiology and Occupational Physiology, 1995The purpose of this study was to investigate the force-velocity (F/v) relationship for the erector spinae muscles in submaximal activation movements, with particular attention to their response during lengthening movements and at lower shortening contraction velocities.
C G, Sutarno, S M, McGill
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Fatigue of the Erector Spinae Muscles
Spine, 1995The authors investigated fatigue-induced changes in the frequency content of the surface electromyographic (EMG) signal from the erector spinae muscles.The objective of the study was to understand the EMG changes in fatiguing muscle and to obtain a reliable index of fatigue.Power spectral analysis has been used increasingly in recent years to monitor ...
P, Dolan, A F, Mannion, M A, Adams
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Asymmetric loading of erector spinae muscles during sagittally symmetric lifting
Journal of Mechanical Science and Technology, 2009Functional asymmetry is among the multitude of risk factors for low-back pain (LBP), the most common injury under general industrial and agricultural conditions. However, previous studies showed that normal healthy individuals exhibit some functional asymmetry, indicating that not all asymmetry causes LBP. Therefore, the threshold value that is able to
Ahn Ryul Choi +7 more
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Reflexes evoked in human erector spinae muscles by tapping during voluntary activity
Electroencephalography and Clinical Neurophysiology/Electromyography and Motor Control, 1997We studied the stretch reflexes, an early R1 and a late R2, by tapping the voluntarily contracted erector spinae muscles and recording from the same spinal level with the subject in the prone position. The onset latencies increased progressively towards the caudal level from 8.8 +/- 0.7 ms at T5-6 to 15.9 +/- 1.1 ms at L4-5 for R1, and from 33.3 +/- 2 ...
T, Tani +3 more
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Reliability difference between spectral and entropic measures of erector spinae muscle fatigability
Journal of Electromyography and Kinesiology, 2010This study investigated back muscle fatigability of the erector spinae (ES) muscles during submaximal contractions with the use of surface electromyography (sEMG). It was important to confirm the reliability of measurements for characterizing neuromuscular alterations by establishing the difference between the Shannon (information) entropy and the ...
Paul S, Sung +2 more
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"Photopenic" Bone Lesion Secondary to Erector Spinae Muscle Infiltration by Breast Carcinoma
Clinical Nuclear Medicine, 1986A bone image demonstrating a "photopenic" vertebral lesion was found to be caused by tumor infiltration of adjacent muscle and probable secondary osseous ischemia. Magnetic resonance imaging was valuable in detecting the muscle abnormality.
A M, Eiber, S N, Wiener
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Morphological investigation of low back erector spinae muscle: Historical data populations
International Journal of Industrial Ergonomics, 2015Abstract Accurate and reliable low back morphological data such as the cross-sectional area (CSA) of the erector spinae muscle (ESM) is vital for biomechanical modeling of the lumbar spine to estimate spinal loading and enhance the understanding of injury mechanisms.
Celal Gungor +5 more
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Force velocity investigation of the erector spinae muscles
Journal of Biomechanics, 1994Chris C. Sutarno, Stuart M. McGill
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