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A basic figure is the very basic step that defines the character of a dance. Often it is called just thus: "basic movement", "basic step" or the like. For some dances it is sufficient to know the basic step performed in different handhold [broken anchor] s and dance positions [broken anchor] to enjoy it socially.
In a strict sense, a step, or a footstep, is a single move of one foot, usually involving full or partial weight transfer to the moving foot. [1] However foot actions, such as tap, kick, etc., are also sometimes called "steps". For example, in a description: "step forward, replace, together" all three actions are steps.
A sequence of three steps—fondu, relevé, elevé (down, up, up)—always advancing (like a march), done in three counts to music generally in 3 4 time, traveling in any direction or while turning (en tournant). The feet do not assemble (or "cross each other") on any step as occurs in a balancé; each step instead passes the last.
Snap, [6] or jounce, [2] is the fourth derivative of the position vector with respect to time, or the rate of change of the jerk with respect to time. [4] Equivalently, it is the second derivative of acceleration or the third derivative of velocity, and is defined by any of the following equivalent expressions: = ȷ = = =.
A set may consist of many different moves and the different moves may have different durations. For example, a basic step as described above takes 4 beats (for the 4 steps the person takes). Similarly, the "knee up" move also takes 4 beats. Another common move, the repeater knee, is an 8-beat move. Classes vary in the level of choreography.
The responses from these pathways are often termed medium or long latency stretch reflexes, because the time course is longer due to distance it needs to travel. [7] The central nervous system can influence the stretch reflex via the gamma motoneurons, which as described above control the sensitivity of the reflex.
The figures are called "changes" because they allow dancers to change from natural turn to reverse turn (i.e., left to right turn) and vice versa. For example, a basic practising variation in waltz goes as follows: Dance 1–6 steps of natural turn, then 1–3 steps of closed change from natural to reverse, then 1–6 steps of reverse turn,
At the same time, signals travel up the spinal cord and cause contraction of the contralateral muscles of the hip and abdomen to shift the body’s center of gravity over the extended leg. To a large extent, the coordination of all these muscles and maintenance of equilibrium is mediated by the cerebellum and cerebral cortex.