Listar por tema "Ultrasound"
Mostrando ítems 1-15 de 15
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A novel modulation approach based on nonlinear acoustic signals for underwater communications.
(European Acoustics Association, 2023)Nonlinear acoustics is the catalyst of a new generation of applications that are exploited in different fields. The parametric nonlinear effect, i.e. the appearance of extra harmonics in the spectrum besides the fundamental ... -
Biomarkers and the quadriceps femoris muscle architecture assessed by ultrasound in older adults with heart failure with preserved ejection fraction: a cross-sectional study
Fuentes-Abolafio, Iván José; Ricci, Michel; Bernal López, María Rosa; Gómez-Huelgas, Ricardo
; Cuesta-Vargas, Antonio; Pérez-Belmonte, Luis Miguel[et al.] (Springer, 2022-08-08)
Background: Sarcopenia is an important comorbidity in patients with heart failure with preserved ejection fraction (HFpEF). The ultrasound (US) assessment has all the advantages of being used in primary care to assess ... -
Characterization of a Piezoelectric Acoustic Sensor Fabricated for Low-Frequency Applications: A Comparative Study of Three Methods
(MDPI, 2023-03-02)Piezoelectric transducers are widely used for generating acoustic energy, and choosing the right radiating element is crucial for efficient energy conversion. In recent decades, numerous studies have been conducted to ... -
Efficiency of Using a Simulator for Ultrasound and Laser Dose Calculation in Physiotherapy.
Martín-Vega, Francisco-Javier; Martín-Valero, Rocío; González-Medina, Gloria; Carmona-Barrientos, Inés; García-Muñoz, Cristina; Viñolo-Gil, Maria Jesús[et al.] (MDPI, 2022)
Background: In the context of the lockdowns due to COVID-19, e-learning has become the sole tool allowing learning objectives to be achieved successfully. However, for some subjects, training aided only by this type of ... -
Foot Dorsiflexion Velocity and Torque Variance Explained through Architectural and Electromyography Variables Comparing Elders and Stroke Survivors.
Ruiz-Muñoz, María; González-Sánchez, Manuel; Cuesta-Vargas, Antonio (Elsevier, 2016-09)
Objectives: The objectives of this study are to analyze the relationship between electromyographic variables, tibialis anterior (TA) architecture, and functional variables (torque and kinematic variables) during maximal ... -
Functional and structural of the erector spinae muscle during iso-metric lumbar extension
González-Sánchez, Manuel; Cuesta-Vargas, Antonio (2014-01-20)
Study Design: cross-sectional study. Objectives: to compare erector spinae (ES) muscle fatigue between chronic non-specific lower back pain (CNLBP) sufferers and healthy subjects from a biomechanical perspective during ... -
How susceptible are our Achilles Tendons? Sonoanatomical assessment. A cross-sectional study
Alabau-Dasi, Raquel; Domínguez-Maldonado, Gabriel; Gijón-Noguerón, Gabriel; Ortega-Ávila, Ana Belén; Delacroix, Sebastian (Elsevier, 2023-09-14)
Objective: the aim of this study is to observe whether there are ultrasound changes between men and women in the Achilles tendon at rest, at maximum passive force is applied and during walking. Material and methods: it ... -
Influences of ultrasound characteristics of the Achilles tendon on gait biomechanics
Existen diferencias en las características sonoanatómicas del tendón de Aquiles tanto en reposo como con una fuerza pasiva máxima entre hombres y mujeres. El género femenino presenta una mayor tensión deformación del Tendón ... -
Muscle activity and architecture as a predictor of hand-grip strength.
Trinidad-Fernández, Manuel; González-Molina, Francisco; Moya-Esteban, Alejandro; Roldán-Jiménez, Cristina; González-Sánchez, Manuel; Cuesta-Vargas, Antonio[et al.] (IOP, 2020-08-11)
Background: Grip strength is a powerful predictor of disability as well as a good indicator of physical activity. Objectives: This study aimed to relate ultrasound (US) and electromyography (EMG) simultaneously to maximum ... -
Profundidad de la cisura de Silvio fetal: estudio ecográfico, normalidad y relación con la edad gestacional
(Servicio de Publicaciones y Divulgación Científica, 2016)La generalización del uso de la ecografía y su desarrollo técnico en las últimas dos décadas la han convertido en una herramienta esencial en la práctica clínica de la obstetricia actual, mejorando el estudio y comprensión ... -
Proof of Concept of the Use of the Parametric Effect in Two Media with Application to Underwater Acoustic Communications.
(MDPI, 2023-08-15)Nonlinear acoustics offers a new range of acoustic applications that are currently being exploited. The parametric nonlinear effect—the occurrence of low frequencies with modulated high-frequency emission—is of particular ... -
Qualitative ultrasonography scale of the intensity of local twitch response during dry needling and its association with modified joint range of motion: a cross-sectional study
Cruz-Montecinos, Carlos; Cerda, Mauricio; Becerra, Pablo; Tapia, Claudio; Núñez-Cortés, Rodrigo; Latorre-García, Rodrigo; Freitas, Sandro R.; Cuesta-Vargas, Antonio[et al.] (BMC Springer Nature, 2021-09-14)
Background: The relevance of local twitch response (LTR) during dry needling technique (DNT) is controversial, and it is questioned whether LTR is necessary for successful outcomes. Furthermore, because the LTR during the ... -
Sono-myography and sono-myoelastography of the tender points of women with fibromyalgia
Muro Culebras, Antonio Luis; Cuesta-Vargas, Antonio (Elsevier, 2013-11)
Sono-myography and sono-myoelastography have been found useful in the investigation of myofascial trigger points. The objective of this study was to use the same techniques to investigate the morphology, stiffness and blood ... -
Ultrasound assessment of the spring ligament and posterior tibial tendon in healthy subjects: A descriptive study
Lópezosa-Reca, Eva; Vallejo Marquez, Mercedes; Fornells, Salvador; Martinez-Franco, Alfonso; Tejero, Sergio (Elsevier, 2024)
Background: The main aim of this study was to ultrasonographically analyse the thickness and the relationship between the Superomedial Bundle of the Spring Ligament and the Posterior Tibial Tendon in healthy subjects and ... -
Ultrasound Muscle Assessment and Nutritional Status in Institutionalized Older Adults: A Pilot Study
Mateos-Angulo, Álvaro; Galán Mercant, Alejandro; Cuesta-Vargas, Antonio (MDPI, 2019-05-31)
Muscle thickness, measured by ultrasonography, has been investigated for nutritional assessment in older adults, however the associations between muscle ultrasound parameters in the lower limb and nutritional status have ...