When I bring my Knees up to me for a grab... shouldn't I start flipping? - Snowboarding Forum

loren646 · 02-10-2011, 06:07 PM

Like if you do a backflip on land and you tuck your legs up you start a back flip. isn't this the same when you go off a jump and bring your knees up for a grab?

john doe · 02-10-2011, 06:15 PM

When you do a backflip you tuck your knees to increase the speed of the spin but it isn't what causes you to spin in the first place. Thats is usually done by arching your back and extending your arms in gymnastics. As long as there is no backflip spin put in when you jump then you will not rotate when doing a grab.

**Donutz** · 02-10-2011, 06:43 PM

Bringing your body parts in closer to the centre of rotation is like a skater pulling in their arms to spin faster. Total angular momentum stays the same. If you don't have any initial rotation, then total angular momentum will remain zero.

Steery · 02-15-2011, 06:21 PM

If you don't have the dexterity to tuck your knees to your chest while jumping on the ground, you probably shouldn't be snowboarding.

loren646 · 02-15-2011, 07:02 PM

Quote:

Originally Posted by Steery

If you don't have the dexterity to tuck your knees to your chest while jumping on the ground, you probably shouldn't be snowboarding.

you typed all this why? don't try to tell jokes if you're not funny.

Steery · 02-15-2011, 07:28 PM

It's not a joke, neck up sweetie.

loren646 · 02-15-2011, 07:36 PM

Quote:

Originally Posted by Steery

It's not a joke, neck up sweetie.

sweetie? you're weird and annoying. now get off my thread.

rasmasyean · 02-16-2011, 04:45 AM

If you're talking about doing a "roll" (as in roll, yaw, pitch)...
No, you will not roll when you compress your body while ALREADY IN the air.
If you do it before you leave the ramp, then you "might" do some unintentional roll depending on how you bend down.

If you want to roll, you would have to jump with the rotation like if you were diving backward/forward into a pool...BEFORE you leave the ramp.

If you are talking about "pitch", then what snowolf says is the way to do it. And in context of what you are asking...grabing your nose/tail while ALREADY IN the air will not cause pitch.

And a shiftie does not cause yaw.

Thad Osprey · 02-16-2011, 08:26 AM

No it wont cause you to flip. I wont try to annoy you and tell you to neck up, but have you tried tuck jumps off normal flat ground (no snowboard, just bare feet or shoes) to see if you'll flip? Makes you wonder why someone posted that. Anyway, flips require you to throw or adjust weight from your upper body i.e. dropping a shoulder, tossing your head forward/backwards etc. Tucking your knees may help. The compactness certainly would. But in and of itself, no. Or we'd all be doing mad spins everytime we grab Indy.

Steery · 02-16-2011, 04:56 PM

I'm weird and annoying?

You were successfully trolled.

02-10-2011, 06:07 PM	#1 (permalink)
loren646 Senior Member Join Date: Dec 2009 Posts: 184	When I bring my Knees up to me for a grab... shouldn't I start flipping? Like if you do a backflip on land and you tuck your legs up you start a back flip. isn't this the same when you go off a jump and bring your knees up for a grab?

02-10-2011, 06:15 PM	#2 (permalink)
john doe Veteran Member Join Date: Nov 2009 Location: St. Louis, MO Posts: 1,245	When you do a backflip you tuck your knees to increase the speed of the spin but it isn't what causes you to spin in the first place. Thats is usually done by arching your back and extending your arms in gymnastics. As long as there is no backflip spin put in when you jump then you will not rotate when doing a grab. __________________ 2011 Smokin Buck Ferton 155 2013 Flow NX2-SE 2013 Flow Hylite boa Burton Stagger pants/jacket Smith I/O

02-10-2011, 06:43 PM	#3 (permalink)
Donutz Drunk with power...er beer. Join Date: May 2010 Location: Vancouver, BC, Canada Posts: 3,670 Blog Entries: 176	Bringing your body parts in closer to the centre of rotation is like a skater pulling in their arms to spin faster. Total angular momentum stays the same. If you don't have any initial rotation, then total angular momentum will remain zero. __________________ Illegitimi non carborundum Mountain Days: 30

02-16-2011, 04:45 AM	#8 (permalink)
rasmasyean Veteran Member Join Date: Jan 2008 Posts: 674	If you're talking about doing a "roll" (as in roll, yaw, pitch)... No, you will not roll when you compress your body while ALREADY IN the air. If you do it before you leave the ramp, then you "might" do some unintentional roll depending on how you bend down. If you want to roll, you would have to jump with the rotation like if you were diving backward/forward into a pool...BEFORE you leave the ramp. If you are talking about "pitch", then what snowolf says is the way to do it. And in context of what you are asking...grabing your nose/tail while ALREADY IN the air will not cause pitch. And a shiftie does not cause yaw. Last edited by rasmasyean; 02-16-2011 at 04:50 AM.

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02-15-2011, 06:21 PM	#4 (permalink)
Steery Member Join Date: Oct 2010 Posts: 47	If you don't have the dexterity to tuck your knees to your chest while jumping on the ground, you probably shouldn't be snowboarding.

02-15-2011, 07:28 PM	#6 (permalink)
Steery Member Join Date: Oct 2010 Posts: 47	It's not a joke, neck up sweetie.

02-16-2011, 08:26 AM	#9 (permalink)
Thad Osprey Member Join Date: Feb 2009 Posts: 81	No it wont cause you to flip. I wont try to annoy you and tell you to neck up, but have you tried tuck jumps off normal flat ground (no snowboard, just bare feet or shoes) to see if you'll flip? Makes you wonder why someone posted that. Anyway, flips require you to throw or adjust weight from your upper body i.e. dropping a shoulder, tossing your head forward/backwards etc. Tucking your knees may help. The compactness certainly would. But in and of itself, no. Or we'd all be doing mad spins everytime we grab Indy.

02-16-2011, 04:56 PM	#10 (permalink)
Steery Member Join Date: Oct 2010 Posts: 47	I'm weird and annoying? You were successfully trolled.