corn snow
Snow that consists of pellet-sized par- ticles that have formed from repetitive thawing, refreezing, and recrystallizing.
corrective feedback
External feedback an instructor delivers to suggest more efficient or effective movements for a specific outcome.
counter
To oppose or to go the opposite way. The term typically refers to a relation- ship in which the lower body turns against or opposes the upper body or vice versa; especially useful in bumps or short-radius turns.
counter-rotation
Twisting the upper body in one direction and the lower body in another direction at the same time.
crud
Settling snow that is cut up. customer service
Providing a service or product in a man- ner that places great value on customer satisfaction. Customer service touches all aspects of resort operations. The instructor is a conduit to the customer’s overall enjoyment of the mountain experience.
decamber
Camber is the natural arch that is designed into the snowboard. To decamber snowboard means to bend it enough that the camber is momentarily gone, such as results from flexing the board during a turn.
deceleration
A colloquial term often used to describe slowing speed or velocity; also called de-acceleration.
deck
A toy that can become a snowboard by attaching bindings; or a flat area on top of the wall of a halfpipe.
deck types
The different shapes and types of snowboards available on the market.
demonstration
A task, exercise, or skill performed to highlight particular movements.
detune
To dull a portion of the edge near the tip and/or tail of a ski or snowboard to reduce the amount that edge will hook into and/or out of a turn.
direct instruction
An approach to teaching basic skills and sequential material using lessons that are highly goal-oriented and tightly controlled by the teacher. See also command style and task style.
directional stance
A binding setup where both bindings are turned, at least a few degrees, toward the tip of the snowboard.
DIRT
Direction, intensity, rate, timing; quanti- fying terms which attach a value to the movements described in the movement analysis process.
distributed practice
Short periods of repetition optimally placed throughout a snowboard lesson to reinforce a student’s existing skills.
doer
A type of learner who prefers to learn through experience.
dorsiflexion
Ankle flexion; a movement of the toes toward the shin.
down unweighting
Flexing the ankles, knees and hips to decrease pressure against the board at turn initiation. The decrease in pressure occurs until the center of mass slows.
drill
A task or exercise used to enforce a desired performance or retain knowledge; or to practice or repeat an exercise.
drop-in
The beginning of an approach to a park feature; or the skilled entry into a halfpipe to create and transfer speed in a skier’s or snowboarder’s line.
dynamic balance
Balance in motion; see also balance. dynamic turn
A parallel turn on a snowboard with more carving than skidding. Energy stored in the board during one turn is released to aid the start of the next turn. A non-dynamic turn in contrast, utilizes more muscular rotary movements to cause the snowboard to turn.
eccentric tension
During eccentric muscle contraction, muscles elongate under tension due to an opposing force greater than the muscle generates. See concentric and isometric for other kinds of muscle contraction.
edge
A metal strip inserted between the base and the core on a snowboard deck; the edge can be sharpened, allowing a rider to slice through hard snow and ice.
dual
Two identical courses set side by side; format for slalom and giant slalom competition.
duck stance
A binding setup in which one binding is turned toward the tip and the other binding is turned toward the tail of the snowboard.
duration
In the context of timing, intensity, and duration (TID) of movements, duration refers to the length of time a movement should be made (which the instructor observes as a quantifiable element of movement analysis).
dynamic
Refers to forces producing motion; characterized by change, activity, or progress.
drop next
A phrase used to declare that it’s your turn to hit a feature and then to let other riders know that you’re approaching.
TheSnowPros.org
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