smaller 13 yr old swing

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rdbass

It wasn't me.
Jun 5, 2010
9,117
83
Not here.
My question is can you land on a bent front leg and straighten without using your front hip?
Yes.
Seems you want hip rotation to power your swing. A 2 legged swing. Weight going forward at GO as opposed to weight staying back. I want a rear hip pivot point.1 leg.
2 hip rotation makes for a slow swing.
tumblr_opi3xq1PFl1usf292o1_250.gif

He has ZERO weight on his front leg when his COG lowers. He FIGHTS to NOT allow any weight get forward until launch. At LAUNCH....the lead leg accepts weight.

He is not sitting. He is being sat. The difference being his weight is back.
 
Last edited:
Jun 17, 2009
15,019
0
Portland, OR
Thanks it does help. I like the rear leg and not hip description.

Dint know if I've ever read or seen anything by Yeager, I'm not sure who he is.

My question is can you land on a bent front leg and straighten without using your front hip? Not push back with your leg. Nobody answers the question.

Also, how close should the knees be together once you finish your swing or does it matter?

Folks shouldn't be afraid to answer your question.

Yes, the front leg lands 'bent' as you say. Yes, the front leg blocks forward movement. Yes, the front leg lengthens, and in the process pushes back ... which has been verified with force plates. Yes this push back is enough to move the front hip rearward.

Bat_Acceleration_During_Front_Leg_Push_Backy.gif
 
Jun 8, 2016
16,118
113
Bonds .....

Bonds_BV_fronthip2.gif

Nice gifs. I could be way off base here butI think the question at hand is whether the moving back of the hip and straightening of the leg is due to an active recruitment of the quadriceps e.g. as one would do when they jump vs. something else. Looks to me like it is the latter..You mentioned force plates..one could probably determine this based upon that data.
 
Last edited:
Jan 28, 2017
1,664
83
How far apart should the knees be at finish?

Some guys diffinately pull back and some don't. You can argue who's elite but the better question is could they get to the League doing another way. Some would probably and some wouldn't.

Can Rose, Gwynn, and Boggs hit like Donaldson?
 
Jul 16, 2013
4,658
113
Pennsylvania
Nice gifs. I could be way off base here butI think the question at hand is whether the moving back of the hip and straightening of the leg is due to an active recruitment of the quadriceps e.g. as one would do when they jump vs. something else. Looks to me like it is the latter..You mentioned force plates..one could probably determine this based upon that data.

IMO there is activation of the quadriceps in the front leg, but I consider it passive. More of a blocking or stabilizing. There is still some degree of 'force' required to do that, but not to the same degree as jumping.
 

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