Voluntary (music) In music a voluntary is a piece of music, usually for an organ, that is played as part of a church service. In English-speaking countries, the music played before and after the service is often called a 'voluntary', whether or not it is so titled.
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* Voluntary or volunteer, person participating via
volunteering
Volunteering is a voluntary act of an individual or group wikt:gratis, freely giving time and labor for community service. Many volunteers are specifically trained in the areas they work, such as medicine, education, or emergency rescue. O ...
/volunteerism
* Voluntary
muscle contraction
Muscle contraction is the activation of tension-generating sites within muscle cells. In physiology, muscle contraction does not necessarily mean muscle shortening because muscle tension can be produced without changes in muscle length, such as ...
See also
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Voluntary action
Voluntary action is an anticipated goal-oriented movement. The concept of voluntary action arises in many areas of study, including cognitive psychology, operant conditioning, philosophy, neurology, criminology, and others. Additionally, voluntary ...
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Voluntariness In law and philosophy, voluntariness is a choice being made of a person's free will, as opposed to being made as the result of coercion or duress. Philosophies such as libertarianism and voluntaryism, as well as many legal systems, hold that a contr ...