What is tension?
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Tension is a multifaceted concept with various applications across different fields. In social theory, tension is viewed as a relation involving contradictory forces, constituting the social fabric itself . In music theory, tension is quantified through methods like cloud diameter, cloud momentum, and tensile strain, aiding in the interpretation of tonal structures . Engineering utilizes tension devices like belt conveyor systems with pulleys and wheels to manage forces and maintain stability in operations . In material testing, tension testing devices are employed to measure the tolerance tension force of screws in plastic parts, enhancing efficiency and cost-effectiveness in testing procedures . Moreover, tension is harnessed in image segmentation algorithms to improve segmentation accuracy by identifying equilibrium points and optimizing cost functions .
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| Tension in active shapes refers to a quantity that indicates undesired equilibrium points during image segmentation, decreasing when a curve splits. It aids in navigating a binary tree for optimization. | |
| Tension in the context of the paper refers to the force applied by the electric driving device to maintain belt conveyor tension, ensuring proper operation and preventing slipping of wheels on the slideway. | |
| Tension is tested using a device with a tension meter to measure the tolerance tension force of a screw in a plastic part, facilitating precise testing without the need for multiple fixtures. | |
| Tension in tonal music is quantified through cloud diameter, cloud momentum, and tensile strain, visualized as tension ribbons over the score, capturing dispersion, movement, and tonal context distances. | |
01 Jan 2010 | Tension is a concept involving contradictory forces in social relations, shaping society. It is essential in understanding collective existence and the dynamics of social structures. |
Related Questions
What is surface tension?5 answersSurface tension is a material property crucial for understanding fluid behavior. It arises from intermolecular cohesive forces, causing liquids to minimize their surface area, resulting in spherical shapes for small drops and bubbles. Various models exist to describe surface tension, including potential-based, continuum, and stress-based models, each with distinct approaches to incorporating surface tension into governing equations. The surface tension as pressure (STP) model, a pressure boundary condition model, has been developed for free surface flow analyses, offering accurate predictions for droplet characteristics and overcoming limitations of previous volume force models. In medical applications, changes in surface tension, influenced by surface-active substances, can provide valuable insights into pathological states, with optical methods offering non-contact, non-destructive, and dynamic control advantages for surface tension measurements.
How to measure the mechanical tension on muscles in scientific sports?5 answersTo measure mechanical tension on muscles in scientific sports, various devices and methods are employed. One approach involves using tension measuring devices integrated into sports equipment. Another method utilizes a muscular tension measuring instrument with a spring, pressure sensor, variable resistor, and control switch for comprehensive evaluation of muscular tension. Additionally, sports equipment can incorporate a measuring apparatus fastened to a guy line, providing real-time representational information on tension. An apparatus for measuring muscular tension includes transmission, length, force, and resistance measurement means, along with data processing and control components. Furthermore, a muscular tension measuring device with wireless transmission capabilities eliminates the need for leads, enhancing convenience and reducing the risk of sensor damage. These diverse tools and techniques enable precise and efficient measurement of mechanical tension in muscles during scientific sports activities.
What are the various factors that influence the specific tension of human muscles?5 answersVarious factors influence the specific tension of human muscles, including muscle architecture, muscle volume, and physiological cross-sectional area (PCSA). Muscle architecture, such as fiber length and arrangement, plays a crucial role in determining specific tension. Additionally, muscle volume and PCSA are key factors affecting specific tension, with differences observed between different muscle groups. The relationship between tendon tension and PCSA also impacts specific tension, highlighting the importance of structural characteristics in muscle force production. Moreover, training-induced changes in muscle properties, like PCSA and specific tension, contribute to the variability in specific tension responses among individuals. Overall, a combination of anatomical, physiological, and training-related factors collectively influences the specific tension of human muscles.
What is the tension headache?4 answersTension headache (TH) is the most common type of headache worldwide, characterized by recurrent headaches of mild to moderate intensity, bilateral location, and a pressing or tightening quality. It does not worsen with routine physical activity. TH can be classified into episodic tension-type headache (ETTH) and chronic tension-type headache (CTTH). The lifetime prevalence of TH is high, with approximately 78% of the population experiencing it. About 24% to 37% of individuals have TH several times a month, while 2% to 3% have chronic TH. The exact biological mechanisms underlying TH are not fully understood, but peripheral factors are believed to play a major role in pain generation, while central sensitization may contribute to the chronicization of the disease. Treatment for TH includes both pharmacological and non-pharmacological approaches, with simple analgesics being the first-line medications for acute episodes and preventive treatments such as amitriptyline, venlafaxine, and mirtazapine recommended for frequent and chronic TH.
Can i measure muscle tension with ultrasound?4 answersYes, muscle tension can be measured with ultrasound. Shear wave elastography (SWE) is a potential method to quantify muscle tension in various muscles, including the extrinsic laryngeal muscles (ELMs). SWE measures the stiffness of the muscle, which can be used as an indicator of muscle tension. In studies on reverse shoulder arthroplasty (RSA), SWE was used to measure deltoid muscle tension, and it was found that higher tension in the anterior deltoid muscle was associated with increased pain levels. Muscle ultrasound has also been used to evaluate neuromuscular disorders, as it is a patient-friendly and point-of-care technique that can detect changes in muscle echogenicity over time. Additionally, ultrasonography has been shown to estimate muscle activity by measuring architectural parameters of various muscles during isometric contractions. Therefore, ultrasound can be a useful tool for measuring muscle tension and activity in different clinical and research settings.
What is tension-centred theory?5 answersTension-centred theory is a paradigm that recognizes tension as a complex and paradoxical notion. It does not seek to provide a unified definition or classification of tension, but rather views tension as a broad umbrella term that encompasses various meanings and perspectives. The theory suggests that tensions between different cultural or disciplinary fields can be productive by inducing tensions within each field, allowing for connections to be made based on tension rather than commonality. Tension is also seen as a morphogenetic mechanism in the central nervous system, playing a role in the folding and compactness of neural circuitry. In the context of person-centred and relationship-centred care, tensions arise when implementing these philosophies into professional practice. Tension-based thinking is considered normal in negotiation and can be used to better understand and manage negotiations, especially in international contexts.