scholarly journals Hearing symptoms personal stereos

2012 ◽  
Vol 16 (02) ◽  
pp. 163-169 ◽  
Author(s):  
Ana Borja ◽  
Tiara da Luz
Keyword(s):  
Prospective Study ◽  
High Intensity ◽  
High Volume ◽  
Inverse Relation ◽  
Observational Prospective Study ◽  
Frequent Use ◽  
Long Run ◽  
High Prevalence ◽  
The City ◽  
Exposition Time

Summary Introduction: Practical and portable the personal stereos if had become almost indispensable accessories in the day the day. Studies disclose that the portable players of music can cause auditory damages in the long run for who hear music in high volume for a drawn out time. Objective: to verify the prevalence of auditory symptoms in users of amplified players and to know its habits of use Method: Observational prospective study of transversal cut carried through in three institutions of education of the city of Salvador BA, being two of public net and one of the private net. 400 students had answered to the questionnaire, of both the sex, between 14 and 30 years that had related the habit to use personal stereos. Results: The symptoms most prevalent had been hyperacusis (43.5%), auricular fullness (30.5%) and humming (27.5), being that the humming is the symptom most present in the population youngest. How much to the daily habits: 62.3% frequent use, 57% in raised intensities, 34% in drawn out periods. An inverse relation between exposition time was verified and the band of age (p = 0,000) and direct with the prevalence of the humming. Conclusion: Although to admit to have knowledge on the damages that the exposition the sound of high intensity can cause the hearing, the daily habits of the young evidence the inadequate use of the portable stereos characterized by long periods of exposition, raised intensities, frequent use and preference for the insertion phones. The high prevalence of symptoms after the use suggests a bigger risk for the hearing of these young.

scholarly journals On the Sound Environment of the City of Puerto Vallarta, Jalisco, Mexico

2011 ◽  
Vol 9 (03) ◽  
Author(s):  
R. R. Boullosa ◽  
C. Alvarado Z.
Keyword(s):  
Traffic Flow ◽  
Undergraduate Students ◽  
High Intensity ◽  
High Volume ◽  
Sea Waves ◽  
Bird Calls ◽  
Sound Levels ◽  
Sound Environment ◽  
Urban Bus ◽  
The City

An exploration of the sound environment in the city of Puerto Vallarta, Jalisco, Mexico, is presented. A series ofinterviews were held with 19 residents, of which 7 were undergraduate students, related to the perception of sound inor around places of different zones in the so-called “Viejo Vallarta” (“Old Vallarta”).The purpose was twofold, firstly, to explore the ideas people have relating to the sounds they hear in the city -and ingeneral, the ideas they have relating to peace and tranquility and its possible relation with the sound environment-;secondly, to identify some zones or places that have a particular sound environment - positive or negative. Naturalsounds emerged as an important part of the sound identity of the Vallarta region and they seem to be highlyappreciated even when the sound levels are high. Sounds related to nature emerged in all interviews: bird calls,sound of wind rustling through trees, sound of breaking sea waves, etc. The interviewees identified places or zoneswith a negative sonic identity due to disagreeable or high intensity sounds; traffic flow, and mostly the urban bus, is tobe blamed for in the main (some mentioned radios at high volume). A series of sound levels (dBA re 20 μPa) at threedifferent times of the year: February, April, and October, 2009 were measured in some locations mentioned by theinterviewees. The average sound levels found on those locations considered as having a disagreeable identity werethe highest.

An Observational Prospective Study of Maternal Genital Tract Injuries during

2011 ◽  
Vol 2 (3) ◽  
pp. 157-158
Author(s):  
Dr Lovedeep Kaur ◽  
◽  
Dr Suchita Dabhadkar ◽  
Dr Vaishali Taralekar ◽  
Dr Girija Wagh
Keyword(s):  
Prospective Study ◽  
Genital Tract ◽  
Observational Prospective Study

scholarly journals Why do informal markets remain informal: the role of tacit knowledge in an Indian footwear cluster

2021 ◽  
Author(s):  
Yugank Goyal ◽  
Klaus Heine
Keyword(s):  
Tacit Knowledge ◽  
Informal Markets ◽  
Market Institutions ◽  
Market Structures ◽  
Long Run ◽  
External Pressures ◽  
Propositional Form ◽  
The City

AbstractWhy do informal markets resist formalizing, even when the gains of doing so outweigh its costs in the long run? While a number of responses to this question have been advanced, we discover that part of the reason could be located in the tacit knowledge (attributed to Polanyi, Hayek) embedded in the marketplace, on which market institutions run. This factor is not fully explored yet. Tacit (idiosyncratic, inarticulate, nonconscious) knowledge is acquired personally through experience and cannot be transferred or conveyed to anyone. This is the knowledge we use to act without knowing it in a propositional form. We present the case of one of India’s largest informal footwear cluster, located in the city of Agra. We show that informal markets, hinged on tacit knowledge, cannot evolve easily and therefore may remain locked-in, despite external pressures or incentives to formalize. The study shows that efforts to overcome informality and reaping the benefits of formalized market structures cannot be done without taking cognizance of the sticky intangible knowledge on which these markets rest.

scholarly journals The Physical Education Class Perceived by Schoolchildren from 6 to 8 Years Old Expressed through Drawings

Children ◽  
2021 ◽  
Vol 8 (8) ◽  
pp. 666
Author(s):  
Javier Cachón-Zagalaz ◽  
Déborah Sanabrias-Moreno ◽  
María Sánchez-Zafra ◽  
Amador Jesús Lara-Sánchez ◽  
María Luisa Zagalaz-Sánchez
Keyword(s):  
Physical Education ◽  
Facial Expression ◽  
Primary School ◽  
Physical Education Class ◽  
Primary School Students ◽  
School Students ◽  
Education Class ◽  
Frequent Use ◽  
The Subject ◽  
The City

Physical Education is one of the subjects that arouses the most interest in children. The aim of this study is to find out the opinion that primary school students have about the Physical Education class. Drawings from a sample of 62 students from an educational centre in the city of Jaén, aged between six and eight years old, were analysed. The results show that the larger size of the drawings corresponds to the aspects that are to be emphasised. This subject is carried out regularly in the sports pavilion of the centre, making frequent use of materials such as sticks, hoops or balls. Cheerful colours are used, reflecting their enthusiasm for the subject. The smiling facial expression represents the schoolchildren’s interest in the subject. The most popular games or sports are basketball and pichi, both of them collective.

scholarly journals 310 A new proposal for the clinical classification of vulvar lichen sclerosus: an observational prospective study

2020 ◽  
Author(s):  
Veronica Boero ◽  
Carlo A Liverani ◽  
Massimiliano Brambilla ◽  
Ermelinda Monti ◽  
Filippo Murina ◽  
...  
Keyword(s):  
Prospective Study ◽  
Lichen Sclerosus ◽  
Clinical Classification ◽  
Observational Prospective Study ◽  
Vulvar Lichen Sclerosus

Is high-intensity interval training a time-efficient exercise strategy to improve health and fitness?

2014 ◽  
Vol 39 (3) ◽  
pp. 409-412 ◽  
Author(s):  
Jenna B. Gillen ◽  
Martin J. Gibala
Keyword(s):  
High Intensity ◽  
Disease Risk ◽  
Interval Training ◽  
High Volume ◽  
Oxidative Capacity ◽  
High Intensity Interval Training ◽  
Exercise Participation ◽  
Cardiometabolic Disorders ◽  
Low Volume ◽  
High Intensity Interval

Growing research suggests that high-intensity interval training (HIIT) is a time-efficient exercise strategy to improve cardiorespiratory and metabolic health. “All out” HIIT models such as Wingate-type exercise are particularly effective, but this type of training may not be safe, tolerable or practical for many individuals. Recent studies, however, have revealed the potential for other models of HIIT, which may be more feasible but are still time-efficient, to stimulate adaptations similar to more demanding low-volume HIIT models and high-volume endurance-type training. As little as 3 HIIT sessions per week, involving ≤10 min of intense exercise within a time commitment of ≤30 min per session, including warm-up, recovery between intervals and cool down, has been shown to improve aerobic capacity, skeletal muscle oxidative capacity, exercise tolerance and markers of disease risk after only a few weeks in both healthy individuals and people with cardiometabolic disorders. Additional research is warranted, as studies conducted have been relatively short-term, with a limited number of measurements performed on small groups of subjects. However, given that “lack of time” remains one of the most commonly cited barriers to regular exercise participation, low-volume HIIT is a time-efficient exercise strategy that warrants consideration by health practitioners and fitness professionals.

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