Spins are an element in figure skating in which the skater rotates, centered on a single point on the ice, while holding one or more body positions. They are performed by all disciplines of the sport, single skating, pair skating, and ice dance, and are a required element in most figure skating competitions. As The New York Times says, "While jumps look like sport, spins look more like art. While jumps provide the suspense, spins provide the scenery, but there is so much more to the scenery than most viewers have time or means to grasp". According to world champion and figure skating commentator Scott Hamilton, spins are often used "as breathing points or transitions to bigger things"
Motion sickness occurs due to a difference between actual and expected motion. Symptoms commonly include nausea, vomiting, cold sweat, headache, dizziness, tiredness, loss of appetite, and increased salivation. Complications may rarely include dehydration, electrolyte problems, or a lower esophageal tear.
The sense of balance or equilibrioception is the perception of balance and spatial orientation. It helps prevent humans and nonhuman animals from falling over when standing or moving. Equilibrioception is the result of a number of sensory systems working together; the eyes, the inner ears, and the body's sense of where it is in space (proprioception) ideally need to be intact.
This is a list of dance terms that are not names of dances or types of dances. See List of dances and List of dance style categories for those.
Because ballet became formalized in France, a significant part of ballet terminology is in the French language.
The vestibular system, in vertebrates, is a sensory system that creates the sense of balance and spatial orientation for the purpose of coordinating movement with balance. Together with the cochlea, a part of the auditory system, it constitutes the labyrinth of the inner ear in most mammals.
Ballet technique is the foundational principles of body movement and form used in ballet. It is an important aspect of ballet performance because ballet puts great emphasis on the method and execution of movement. The techniques found in classical ballet are a framework for many other styles of dance, including jazz and contemporary ballet.
Classical ballet is any of the traditional, formal styles of ballet that exclusively employ classical ballet technique. It is known for its aesthetics and rigorous technique, its flowing, precise movements, and its ethereal qualities.
A motion simulator or motion platform is a mechanism that creates the feelings of being in a real motion environment. In a simulator, the movement is synchronised with a visual display of the outside world (OTW) scene. Motion platforms can provide movement in all of the six degrees of freedom (DOF) that can be experienced by an object that is free to move, such as an aircraft or spacecraft:. These are the three rotational degrees of freedom and three translational or linear degrees of freedom.
In physics, the degrees of freedom (DOF) of a mechanical system is the number of independent parameters that define its configuration or state. It is important in the analysis of systems of bodies in mechanical engineering, structural engineering, aerospace engineering, robotics, and other fields.
A solar tracker is a device that orients a payload toward the Sun. Payloads are usually solar panels, parabolic troughs, fresnel reflectors, lenses or the mirrors of a heliostat.
In ballet, turnout is rotation of the leg at the hips which causes the feet to turn outward, away from the front of the body. This rotation allows for greater extension of the leg, especially when raising it to the side and rear. Turnout is an essential part of classical ballet technique.
Listing's law, named after German mathematician Johann Benedict Listing (1808–1882), describes the three-dimensional orientation of the eye and its axes of rotation. Listing's law has been shown to hold when the head is stationary and upright and gaze is directed toward far targets, i.e., when the eyes are either fixating, making saccades, or pursuing moving visual targets.
In dance, a pivot turn is a general classification for dance turns in which the performer's body rotates about its vertical axis without traveling. The performer may be supported by one or both feet, which swivel in place during the pivot turn. In some dance genres, a pivot on both feet is called a twist turn. Pivot turns are commonly named as such in ballroom dancing, folk dancing and ethnic dances. In many other dance genres, pivot turns are known by specific names and typically are not referred to as pivots. For example, in ballet, a pirouette is a type of pivot turn on one foot.
In computing, 3D interaction is a form of human-machine interaction where users are able to move and perform interaction in 3D space. Both human and machine process information where the physical position of elements in the 3D space is relevant.
In engineering, a mechanism is a device that transforms input forces and movement into a desired set of output forces and movement. Mechanisms generally consist of moving components which may include:
In dance and gymnastics, a turn is a rotation of the body about the vertical axis. It is usually a complete rotation of the body, although quarter (90°) and half (180°) turns are possible for some types of turns. Multiple, consecutive turns are typically named according to the number of 360° rotations.
Watsu is a form of aquatic bodywork used for deep relaxation and passive aquatic therapy. Watsu is characterized by one-on-one sessions in which a practitioner or therapist gently cradles, moves, stretches, and massages a receiver in chest-deep warm water.
Ice dance, a discipline of figure skating, has required elements that make up a well-balanced rhythm dance program and free dance program, which must be performed during competitions. They include: the dance lift, the dance spin, the step sequence, turn sequences, and choreographic elements. The elements must be performed in specific ways, as described by published communications by the International Skating Union (ISU), unless otherwise specified. The ISU has also provided a list of illegal movements.
