Absorption
Bending and extending the legs so the board can follow terrain or load changes without throwing the rider off balance.
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OPEN ENTRY →24 · KNOWLEDGE AREA
Glossary & Terminology
Canonical terms, aliases and contextual distinctions.
A
Angulation
Bending at joints so that body segments form angles that help manage edge angle and balance.
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OPEN ENTRY →B
Base of support
The area under the rider through which they are supported — on a snowboard, the part of the board and edge in useful contact with the snow.
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OPEN ENTRY →Board Pivot
A change in the board’s heading relative to a reference such as the slope or direction of travel.
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OPEN ENTRY →Board Tilt
The board’s roll across its width relative to the supporting surface.
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OPEN ENTRY →C
Center of mass
The single point where the rider's body weight can be treated as concentrated when analysing balance and movement.
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OPEN ENTRY →Counterrotation
Coordinated opposing rotations of body regions, commonly the upper body relative to the legs and board.
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OPEN ENTRY →D
Down-unweighting
Reducing the load on the board by flexing quickly, so pressure drops for a moment and the edge change becomes easier.
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OPEN ENTRY →Duration
How long a movement or phase of a movement lasts.
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OPEN ENTRY →Dynamic balance
Staying balanced while moving, as speed, terrain, edge angle and forces keep changing.
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OPEN ENTRY →E
Edge angle
The angle of the board relative to the local snow surface, rather than a measure of body lean.
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OPEN ENTRY →Edge change
Transferring from one working edge to the other.
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OPEN ENTRY →Edge engagement
Establishing an edge-snow interaction that provides the intended support or direction control.
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OPEN ENTRY →Edge release
Reducing edge engagement sufficiently for the intended task; not necessarily a prolonged flat-base position.
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OPEN ENTRY →Extension
Straightening a joint, such as the ankle, knee or hip, so the body segments open up.
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OPEN ENTRY →F
Flexion
Bending a joint, such as the ankle, knee or hip, so the body segments close together.
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OPEN ENTRY →Fore/aft
The direction along the board, from nose to tail.
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OPEN ENTRY →Fore/aft Balance
Managing the rider’s relationship to the board’s lengthwise support so the intended movement remains controlled.
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OPEN ENTRY →G
Grip
The supporting or resisting effect of the board-snow contact that limits unwanted slip.
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OPEN ENTRY →I
Inclination
Leaning the body relative to its support during riding.
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OPEN ENTRY →Intensity
How strongly an action is performed within a particular task.
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OPEN ENTRY →L
Lateral Pressure Control
Managing how loading acts across the board’s width and between its toe-side and heel-side support.
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OPEN ENTRY →Longitudinal flex
Bending along the length of the board.
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OPEN ENTRY →P
Pressure distribution
Where loading acts along or across the board.
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OPEN ENTRY →Pressure magnitude
How much load the board is carrying against the snow at a given moment.
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OPEN ENTRY →R
Rebound
Elastic return after the board has been bent and loaded.
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OPEN ENTRY →Recentering
Adjusting the rider-board relationship to regain useful support for the next action.
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OPEN ENTRY →Retraction
Drawing the legs or board toward the body during a movement.
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OPEN ENTRY →Rotation
Turning about an axis; specify whether describing the body, board or entire airborne system.
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OPEN ENTRY →S
Separation
A difference in orientation or movement between body regions, commonly upper and lower body.
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OPEN ENTRY →Skid
A sideways component of board movement relative to its orientation; it can be intentional.
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OPEN ENTRY →Stance
The rider's arrangement over the board; distinguish body position from binding setup.
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OPEN ENTRY →T
Timing
When an action occurs relative to the movement or terrain sequence.
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OPEN ENTRY →Torsional flex
The board's capacity to twist along its length.
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OPEN ENTRY →Torsional Twist
A difference in the board’s tilt along its length, produced by twisting rather than rolling the entire board as one rigid shape.
Explore in: Rider–Board–Snow FundamentalsGlossary & Terminology
OPEN ENTRY →U
Unweighting
A reduction in board loading during a movement; it does not necessarily mean becoming airborne.
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OPEN ENTRY →Up-unweighting
Reducing the load on the board by extending upward, so pressure drops at the top of the movement and the edge change becomes easier.
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