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Knee Spin - A spin on one or both knees, normally usually in the kneeling position. Breakers often perform freezes or stylish movements of the upper body while spinning. Chair Kneespin - A spin on one knee and bringing the right or left foot in front of the non spinning knee ankle of the non spinning foot is placed usually in front of spinning ...
On a custom built bicycle with spring-loaded outriggers that exactly cancel this couple, so that the bicycle and rider may assume any lean angle when traveling in a straight line, riders find it impossible to make a turn. As soon as the wheels deviate from a straight path, the bicycle and rider begin to lean in the opposite direction, and the ...
The wagon-wheel effect (alternatively called stagecoach-wheel effect) is an optical illusion in which a spoked wheel appears to rotate differently from its true rotation. The wheel can appear to rotate more slowly than the true rotation, it can appear stationary, or it can appear to rotate in the opposite direction from the true rotation ...
Wheels can also lose traction when surface conditions reduce available traction such as on snow and ice. As an open differential delivers only enough torque to cause the "weakest" wheel to spin, if one drive wheel is stationary on a low traction surface (mud, ice, etc.), the deliverable torque is limited to the traction available on it.
A common rotation pattern is to move the back wheels to the front, and the front to the back but crossing them when moving to the back. [citation needed] If the tires are unidirectional, the rotation can only be rotated front to back on the same side of the vehicle to preserve the rotational direction of the tires, unless they are remounted.
side(ways) and slightly back; back and slightly leftward (for the left foot) or rightward (for the right foot) in contra body movement position (CBMP): forward in CBMP (i.e., the moving foot is placed directly in front of the supporting foot), forward and across in CBMP (i.e., the moving foot crosses in front of the supporting foot), back in ...
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Line locks can also be installed on the rear brake lines. When the line lock is activated, fluid pressure is prevented from being transferred to the rear, allowing the rear wheels to spin freely while the front brakes can be controlled with the brake pedal. This allows one to creep at varying speeds while maintaining a burnout.