Snowboard · Kicker · コーク系
BS Cork 540.
BSコーク540
バックサイド540に斜め1回転
How to
Step by step[Safety] Wear a helmet and back protector.
Drill BS540 on a trampoline and airbag first until you know the rotation and the landing direction by feel, then take it to a kicker. Prerequisites: a solid BS360 with amplitude, and enough comfort going head-low (backflip) that the inversion doesn't spook you.
Approach exactly like a BS360 — same speed, same stance.
Knees soft (roughly 120-140 degrees), upper body squared to your direction of travel, eyes on the top of the lip. Don't open your shoulders early trying to rush the spin.
Just before the lip, load the whole board evenly from the front-foot toes through to the heels, and sink both knees a touch deeper (about 10-20 degrees more bend).
Keep your chest facing forward here — set up the spin but hold it.
Off the lip, extend both legs straight up to pop and start turning your upper body backside (heel side, where your back rotates around).
Lead the rotation with your shoulders and chest; let your hips follow a beat later.
Right after takeoff, drop your back shoulder (rear-foot-side shoulder) down and across toward the line out past your front-foot toes.
This tilts your spin axis off vertical, blending the flat backside turn with a forward-diving motion (the cork / off-axis part). Too little dip and it stays a plain BS540; too much and you pitch head-first — aim for your chest pointing down at an angle.
As soon as the axis is tilted, pull your arms and legs in tight to the center of your body.
Your spin speed is set the instant you leave the lip and can't be added in the air, so the smaller you fold up, the faster you rotate on the same momentum.
Send your eyes in this order: over the back shoulder and down at an angle → then to where the board is heading.
Backside hides the slope for the first stretch of the spin, but if you send your head to the target early, your body follows that line and finishes the rotation.
When the 540 (one and a half turns) comes into view, open your arms and legs to slow the spin and stand the tilted axis back up.
Land switch (riding fakie) — extend both legs aiming to set your original rear foot down first, receive the landing flat over the board (not biased to toe or heel edge), and bend your knees to absorb.
Tips & common mistakes
In the app — learn while you logLead with shoulders and chest, hips half a beat behind: turning the upper body alone first means you leave the lip slightly wound up, then the lower body catches up in the air to carry the spin through. Turning hips-and-all from the start keeps the axis vertical and tends to give a plain BS540.
It stays a plain BS540 with no tilt → the back-shoulder dip is too shallow or too late. Right off the lip, drive the back shoulder down and forward past the front-foot toes until your chest faces down at an angle.
The rest of the tips, fixes for each mistake, and what to try next are in the app — learn them while you log. Intermediate+ tricks are for Members.
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