Can M-Mode Ultrasound Imaging of Muscle Tissue Motion Replace Invasive Electromyography for Measuring Muscle Activation?

2011 ◽  
Vol 37 (8) ◽  
pp. S22
Author(s):  
A.V. Dieterich ◽  
C. Pickard ◽  
L. Deshon ◽  
G. Strauss ◽  
W. Gibson ◽  
...  
Keyword(s):  
Ultrasound Imaging ◽  
Muscle Tissue ◽  
Muscle Activation ◽  
Tissue Motion

scholarly journals Iterative 2D Tissue Motion Tracking in Ultrafast Ultrasound Imaging

2018 ◽  
Vol 8 (5) ◽  
pp. 662 ◽  
Author(s):  
John Albinsson ◽  
Hideyuki Hasegawa ◽  
Hiroki Takahashi ◽  
Enrico Boni ◽  
Alessandro Ramalli ◽  
...  
Keyword(s):  
Ultrasound Imaging ◽  
Motion Tracking ◽  
Tissue Motion

scholarly journals Ultrasonographic assessment of parasternal intercostal muscles during mechanical ventilation

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Paolo Formenti ◽  
Michele Umbrello ◽  
Martin Dres ◽  
Davide Chiumello
Keyword(s):  
Mechanical Ventilation ◽  
Ultrasound Imaging ◽  
Muscle Weakness ◽  
Respiratory Muscle ◽  
Muscle Activation ◽  
Invasive Mechanical Ventilation ◽  
Respiratory Muscles ◽  
Course Of Illness ◽  
Intercostal Muscles ◽  
Predictive Parameters

Abstract Although mechanical ventilation is a lifesaving treatment, abundant evidence indicates that its prolonged use (1 week or more) promotes respiratory muscle weakness due to both contractile dysfunction and atrophy. Along with the diaphragm, the intercostal muscles are one of the most important groups of respiratory muscles. In recent years, muscular ultrasound has become a useful bedside tool for the clinician to identify patients with respiratory muscle dysfunction related to critical illness and/or invasive mechanical ventilation. Images obtained over the course of illness can document changes in muscle dimension and can be used to estimate changes in function. Recent evidence suggests the clinical usefulness of ultrasound imaging in the assessment of intercostal muscle function. In this narrative review, we summarize the current literature on ultrasound imaging of the parasternal intercostal muscles as used to assess the extent of muscle activation and muscle weakness and its potential impact during discontinuation of mechanical ventilation. In addition, we proposed a practical flowchart based on recent evidence and experience of our group that can be applied during the weaning phase. This approach integrates multiple predictive parameters of weaning success with respiratory muscle ultrasound.

Quantification of forearm muscle activation by ultrasound imaging and high-density electromyography

2021 ◽  
Vol 150 (4) ◽  
pp. A289-A289
Author(s):  
Zhiyu Sheng ◽  
Ernesto Bedoy ◽  
Douglas J. Weber ◽  
Brad E. Dicianno ◽  
Kang Kim
Keyword(s):  
Ultrasound Imaging ◽  
Muscle Activation ◽  
High Density ◽  
Forearm Muscle

Ultrasound Imaging and Elastography for Characterizing Muscle Tissue in Myofascial Pain Syndrome

PM&R ◽  
2013 ◽  
Vol 5 ◽  
pp. S133-S133 ◽  
Author(s):  
Siddhartha Sikdar ◽  
Diego Turo ◽  
Paul Otto ◽  
Jay P. Shah ◽  
Katee Armstrong ◽  
...  
Keyword(s):  
Ultrasound Imaging ◽  
Muscle Tissue ◽  
Myofascial Pain ◽  
Pain Syndrome ◽  
Myofascial Pain Syndrome

scholarly journals Ultrasound Imaging of the Gluteal Muscles During the Y-Balance Test in Individuals With or Without Chronic Ankle Instability

2020 ◽  
Vol 55 (1) ◽  
pp. 49-57 ◽  
Author(s):  
Alexandra F. DeJong ◽  
L. Colby Mangum ◽  
Jay Hertel
Keyword(s):  
Ultrasound Imaging ◽  
Muscle Activation ◽  
Sagittal Plane ◽  
Ankle Instability ◽  
Gluteus Maximus ◽  
Chronic Ankle Instability ◽  
Mean Difference ◽  
Control Group ◽  
Quiet Stance ◽  
Balance Test

Context Impairments in dynamic postural control and gluteal muscle activation have been associated with the development of symptoms related to long-term injury, which are characteristic of chronic ankle instability (CAI). Ultrasound imaging (USI) provides a visual means to explore muscle thickness throughout movement; however, USI functional-activation ratios (FARs) of the gluteal muscles during dynamic balance exercises have not been investigated. Objective To determine differences in gluteus maximus and gluteus medius FARs using USI, Y-Balance Test (YBT) performance, and lower extremity kinematics in individuals with or without CAI. Design Cross-sectional study. Setting University laboratory. Patients or Other Participants Twenty adults with CAI (10 men, 10 women; age = 21.70 ± 2.32 years, height = 172.74 ± 11.28 cm, mass = 74.26 ± 15.24 kg) and 20 adults without CAI (10 men, 10 women; age = 21.20 ± 2.79 years, height = 173.18 ± 15.16 cm, mass = 70.89 ± 12.18 kg). Intervention(s) Unilateral static ultrasound images of the gluteal muscles during quiet stance and to the point of maximum YBT reach directions were obtained over 3 trials. Hip, knee, and ankle sagittal-plane kinematics were collected with motion-capture software. Main Outcome Measure(s) Gluteal thickness was normalized to quiet stance to yield FARs for each muscle in each YBT direction. We averaged normalized reach distances and obtained average peak kinematics. Independent t tests, mean differences, and Cohen d effect sizes were calculated to determine group differences for all outcome measures. Results The CAI group had anterior-reach deficits compared with the control group (mean difference = 4.37%, Cohen d = 0.77, P = .02). The CAI group demonstrated greater anterior gluteus maximus FARs than the control group (mean difference = 0.08, Cohen d = 0.57, P = .05). Conclusions The CAI group demonstrated YBT reach deficits and alterations in proximal muscle activation. Increased reliance on the gluteus maximus during dynamic conditions may contribute to distal joint dysfunction in this population.

scholarly journals Quantitative Ultrasound Imaging Pixel Analysis of the Intrinsic Plantar Muscle Tissue between Hemiparesis and Contralateral Feet in Post-Stroke Patients

2018 ◽  
Vol 15 (11) ◽  
pp. 2519 ◽  
Author(s):  
Cesar Calvo-Lobo ◽  
Ana Useros-Olmo ◽  
Jaime Almazán-Polo ◽  
Miriam Martín-Sevilla ◽  
Carlos Romero-Morales ◽  
...  
Keyword(s):  
Ultrasound Imaging ◽  
Muscle Tissue ◽  
Quantitative Ultrasound ◽  
Total Sample ◽  
Abductor Hallucis ◽  
Cross Sectional ◽  
Significant Difference ◽  
Flexor Digitorum Brevis ◽  
Flexor Digitorum ◽  
Potential Biomarkers

Quantitative ultrasound imaging of the muscle tissue may be applied in the neurology field, due to B-mode grayscale pixels values could be used as potential biomarkers for disease progression and intervention effects in poststroke patients. Thus, the study aim was to compare and analyze the ultrasound imaging B-mode pixels differences between the intrinsic plantar muscles cross-sectional area (CSA) in hemiparetic and contralateral feet from poststroke patients by means of the Image J software. A case-control design and a convenience sampling method were used in order to recruit 22 feet from 11 poststroke patients. This total sample was divided into 11 hemiparetic feet and 11 contralateral feet. The Image J software was used in order to evaluate the interface distance, CSA as well as measure the pixels mean, standard deviation (SD) and count from all offline images in the flexor digitorum brevis, abductor hallucis (AbH), and flexor hallucis brevis muscles. Statistically significant differences (p = 0.003) were only shown for the pixels count in the AbH muscle. The rest of outcome measurements did not show any statistically significant difference (p > 0.05). Therefore, B-mode ultrasound imaging Image J software differences for the pixels count reduction were shown in the AbH muscle between hemiparetic and contralateral feet from poststroke patients. Further studies are necessary in order to apply our findings as potential biomarkers during the stroke disease course.

scholarly journals Ultrasonography of Gluteal and Fibularis Muscles During Exercises in Individuals With a History of Lateral Ankle Sprain

2019 ◽  
Vol 54 (12) ◽  
pp. 1287-1295
Author(s):  
Rachel M. Koldenhoven ◽  
John J. Fraser ◽  
Susan A. Saliba ◽  
Jay Hertel
Keyword(s):  
Ultrasound Imaging ◽  
Muscle Activation ◽  
Lower Leg ◽  
Gluteal Muscle ◽  
Cross Sectional ◽  
Lateral Ankle ◽  
Lateral Resistance ◽  
Significant Difference ◽  
Hip Abduction ◽  
History Of

Context Individuals with a history of lateral ankle sprains (LASs) have ankle and hip neuromuscular changes compared with those who do not have a history of LAS. Objective To compare gluteus maximus (GMax), gluteus medius (GMed), and fibularis longus and brevis muscle activation using ultrasound imaging during tabletop exercises and lateral resistance-band walking in individuals with or without a history of LAS or chronic ankle instability (CAI). Design Cross-sectional study. Patients or Other Participants Sixty-seven young adults (27 males, 40 females). Groups were healthy = 16, coper = 17, LAS = 15, CAI = 19. The number of previous sprains was 0 ± 0 in the healthy group, 1.1 ± 0.3 in the coper group, 2.9 ± 2.4 in the LAS group, and 5.3 ± 5.9 in the CAI group. Main Outcome Measure(s) Ultrasound imaging measures of fibularis cross-sectional area (CSA) were collected during nonresisted and resisted ankle eversion. Gluteal muscle thicknesses were imaged during nonresisted and resisted side-lying abduction and during lateral resistance-band walking exercises (lower leg and forefoot band placement). Separate 4 × 2 repeated-measures analyses of variance and post hoc Fisher least significant difference tests were used to assess activation across groups and resistance conditions. Results All groups demonstrated 3.2% to 4.1% increased fibularis CSA during resisted eversion compared with nonresisted. During side-lying abduction, the LAS and CAI groups displayed increased GMax thickness (6.4% and 7.2%, respectively), and all but the CAI group (−0.4%) increased GMed thickness (5.3%–11.8%) with added resistance in hip abduction. During band walking, the healthy and LAS groups showed increased GMax thickness (4.8% and 8.1%, respectively), and all groups had increased GMed thickness (3.0%–5.8%) in forefoot position compared with the lower leg position. Although the values were not different, copers exhibited the greatest amount of GMed thickness during band-walking activities (copers = 23%–26%, healthy = 17%–23%, LAS = 11%–15%, CAI = 15%–19%). Conclusions All groups had increased fibularis CSA with resisted eversion. In side-lying hip abduction, individuals with CAI had greater GMax thickness than GMed thickness. Ultrasound imaging of fibularis CSA and gluteal muscle thickness may be clinically useful in assessing and treating patients with LAS or CAI.

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