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The counter-movement and the jump collectively are referred to as a counter-movement jump (CMJ). The counter-movement of the legs, a quick bend of the knees which lowers the center of mass prior to springing upwards, has been shown to improve jump height by 12% compared to jumping without the counter-movement.
“Researchers have used resource mobilization to study all manner of social and political movements such as environmentalism, father's rights groups, religious movements, and abortion rights”. [1] The reason for the start of countermovement groups is that people are competing for resources for political influence.
Contra body movement (CBM, sometimes called contrary body movement [1]) is used in ballroom dances, such as waltz, foxtrot, tango, and quickstep. It comprises turning the body (hips and shoulders) against the movement of the legs: either moving forward with the right foot and the left hip and shoulder, or vice versa.
Retrieved from "https://en.wikipedia.org/w/index.php?title=Counter_movement&oldid=255080306"This page was last edited on 30 November 2008, at 22:47 (UTC) (UTC)
High jump, in which athletes jump over horizontal bars. Long jump, where the objective is to leap horizontally as far as possible. Pole vault, in which a person uses a long, flexible pole as an aid to jump over a bar. Triple jump, the objective is to leap horizontally as far as possible, in a series of three jumps
The results of these often contradictory studies have been associated with improved efficiencies for human or animal movements such as counter-movement jumps and running. [6] [7] [8] However it is still not established why and how this enhancement takes place. It is one of the underlying mechanisms of plyometric training.
The word parkour derives from parcours du combattant (Obstacle course), the classic obstacle course method of military training proposed by Georges Hébert. [23] [24] [25] Raymond Belle used the term "les parcours" to encompass all of his training including climbing, jumping, running, balancing, and the other methods he undertook in his personal athletic advancement. [26]
Jump technique remains the same regardless of whether it is a true plyometric exercise or a jump exercise. The hips, knees, and ankles flex when landing and the joints extend on the upward return. The sequence and overlapping in the sequence is basically the same, beginning with the hip extension, followed by knee extension, and ending with the ...