grab(s)
To grasp and hold the board (versus a brief touch or slap) during an aerial maneuver; the act of grasping and hold- ing onto the board during a maneuver.
gravity
A force acting perpendicular to the earth’s surface; a primary motive force in snowsports.
guided discovery
An approach to teaching where the emphasis is on encouraging students to learn through their own explorations and to solve problems on their own.
half cab
The 180-degree version of a spin, invented by pro skater Steve Caballero, in which he fakie ollied (switch nollied) a frontside 360 on a vert ramp; any switch frontside 360 on a vert ramp; or any switch frontside spin for a snowboarder.
halfpipe
A type of ski or snowboard competition which features judged runs in a half- pipe; or a feature that resembles a large pipe with the top half removed; see also quarterpipe.
hand plant
An inverted maneuver when one or both hands support the rider.
hard boots
Snowboard boots with a plastic outer shell that use buckles instead of laces, much like a ski boot.
hard goods
Items such as boots, bindings, and skis or snowboards.
hard skills
Any function of instructing that is teach- able, testable, and has some ability to be measured.
hardpack
A condition in which the snow has become very dense and hard.
hinge joint
A joint in which a convex part of one bone fits into a concave part of another, allowing motion in only one plane. Knee and finger joints are hinge joints.
hip
A jump built with a prepared landing facing almost 90 degrees away from the direction of the ramp; or to approach a jump straight on and change edges in the air to prepare to land at a new angle.
hit
A jump, pipe air, or rail slide, etc.; to ride a park feature.
homogeneous group
A class comprising students of compa- rable speed and level.
hop
To move by leaping or springing on both feet at once; or the movement thus created.
horizontal plane
An anatomical plane that divides the body into upper and lower halves. Rotational movements occur along this plane.
hybrid
A snowboard with some combination of rocker, flat design, and/or camber.
imagery Mental pictures of performance. instructor behavior
The portion of the Teaching Model in which the instructor learns about the student and establishes an open, trusting learning environment; also known as the Teaching Cycle.
intelligence
The ability to learn; or information. intensity
The amount of effort or power given to a movement (which the instructor observes as a quantifiable element of movement analysis).
heel cup
The rear part of a snowboard binding just below the highback, in which the heel of the boot fits.
heel edge
The edge of the snowboard nearest the rider’s heels.
heelside turn
A turn using the heel edge. highback
A moveable part of a snowboard binding that extends upward to support the back of the lower leg; highbacks come in higher and lower lengths.
inclination
Any kind of tipping of a body part rela- tive to the slope. A rider can tip different parts of the body to a different degree (angulation) or incline the entire body into the slope (banking).
indirect instruction
An approach to teaching skills using lessons that are goal-oriented, with con- tributions, insights and decisions shared by the teacher and student. A teaching style where the power structure shifts from the instructor to the student.
inertia
The tendency of an object to remain in its current state of motion (or lack of motion) unless acted upon by external forces sufficient to effect a change.
initial phase
(of motor development) The first phase of motor skill develop- ment during which a student will exert energy thinking about new movements, watch them occur, and practice them.
initiation/initiation phase The beginning, or approximately top third of a turn.
innervation
The process by which a brain signal stimulates a muscle for action.
insert
A metal object fixed in the core of a snowboard or ski that is threaded to accept a binding screw.
138 AASI SNOWBOARD TECHNICAL MANUAL
TheSnowPros.org
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