Chironomy
Cheironomy or chironomy is a form of Conducting, music conducting, typically with choral music and choral groups (choirs), where the use of hand gestures directs musical performance. In the modern artform, conductors tend to hoist baton (conducting), batons for indicating melodic curves and ornament (music), ornaments. History History of music, Early music (vocal church music), as far back as the 5th century, required some central direction from a leader in the coordination of singers in their delivery of melody, melodic lines of mostly free rhythm. Traced back to early Egyptian performances through Egyptian hieroglyphs, hieroglyphic documentation (etchings in stone depicting a leader employing hand signals to indicate pitch (music), pitch and rhythm details for wind instrument players), this form of conducting seems to predate Guido of Arezzo's designation of joints of the fingers for indicating pitches, and seems to have offered more than limited pitch instruction. These early l ...
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Hand Gesture
A hand is a prehensile, multi-fingered appendage located at the end of the forearm or forelimb of primates such as humans, chimpanzees, monkeys, and lemurs. A few other vertebrates such as the koala (which has two opposable thumbs on each "hand" and fingerprints extremely similar to human fingerprints) are often described as having "hands" instead of paws on their front limbs. The raccoon is usually described as having "hands" though opposable thumbs are lacking. Some evolutionary anatomists use the term ''hand'' to refer to the appendage of digits on the forelimb more generally—for example, in the context of whether the three digits of the bird hand involved the same homologous loss of two digits as in the dinosaur hand. The human hand usually has five digits: four fingers plus one thumb; these are often referred to collectively as five fingers, however, whereby the thumb is included as one of the fingers. It has 27 bones, not including the sesamoid bone, the number of whi ...
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