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-   -   Deadlift Stuff (http://www.catalystathletics.com/forum/showthread.php?t=4920)

Donald Lee 12-15-2009 12:17 PM

Deadlift Stuff
 
I just thought this was interesting:

Quote:

As the article states, "During heavy weight lifting, the leg-lift method does not appear to be the preferred strategy and may not be even possible (1820). ...when an individuals near their maximal deadlift capacity, the back-lift strategy appears to be the most commonly used technique."

Dr Tom McLaughlin stated much the same, years ago. McLaughlin noted that the firing sequence in a Conventional Deadlift was Back-Legs-Back, in a Sumo Deadlift it was Legs-Back.

"Biomechancis Of Powerlifting--The Deadlift"
Dr Tom McLaughlin-
Director/Biomechanics Labratory/Auburn University/PLUSA 7/81

"A kinetic analysis permitted us to calculate the resultant muscular torques for the back and legs. This information gives us an idea of whether the back extensor muscles or the quadreceps (thigh muscles) are primarily working to lift the bar at a certain time during the deadlift. How much and when a deadlifter uses these muscles are very important to success."

"Now, although most people probably think the initial drive off the floor is all legs, it is clearly done primarily by the back."

"Kuc, Kazmaier, and Anello use the back first..."

"I was talking to Lamar Gant this week here at Auburn, and he said that he felt years ago his leg drive was strong off the floor, but in recent years he felt his back pulling more at the start."

"This is probably a reason for the recent craze over stiff-leg deadlifts. They simply develop more back strength for the starting position."

Arden Cogar Jr. 12-15-2009 12:49 PM

I think it's pretty intuitive really. Nice find. I would be curious to see how Ed Coan would comment. He was a true sumo puller (low hip posiiton) who switched to conventional, who then switched back to sumo but with a higher hip position. That's when, I believe, he pulled his 901 at 220.

All the best,
Arden

Dave Van Skike 12-15-2009 01:52 PM

Ha! vindicated. RDL's DO help the DL start. I knew it.

Steven Low 12-15-2009 03:15 PM

Quote:

Originally Posted by Dave Van Skike (Post 67067)
Ha! vindicated. RDL's DO help the DL start. I knew it.

Was there ever a doubt?

As a serious question though...

Dave Van Skike 12-15-2009 03:42 PM

Quote:

Originally Posted by Steven Low (Post 67077)
Was there ever a doubt?

As a serious question though...

RDL's seem to help everything...but. if it's RDL's versus pullinf from a deficit, most people will pick deficit work....it hasn't really owrked for me that way. RDLS's and repetiion DL work better.

Harry Munro 12-17-2009 09:28 AM

I always felt my best deadlifting was started with the back, although I've not pulled more than 400 from the floor.

Arden Cogar Jr. 12-17-2009 10:53 AM

I'm more of "leggy puller" and get more when I concentrate on driving my feet.

All the best,
Arden

Leslie Poole 12-19-2009 12:30 PM

Check out the variation in form. Never saw so much variation. Interesting. http://www.youtube.com/watch?v=MepMDqjz8Es

I have noticed that most people I watch end up doing RDL or very similar-myself included.

Arden Cogar Jr. 12-23-2009 07:32 PM

I was surprised with how many pulled sumo. I have long been under the impression that most SHW pulled conventional - Save Brian Siders. Who's not from this planet, and is legitimately life time drug free.

Not sure what the difference is between IPF and IPW (or whatever was on the vid above). I saw what I thought was a few lifts that would not have passed in the IPF.

I was impressed that he heaviest weight moved at that meet was by a guy who DID NOT wear any supportive gear (including a NO BELT). That's some serious genes right there.

All the best,
Arden

Martin Bonn 12-25-2009 07:18 AM

Doesn't a lot of that depend on how long your legs and arms are?

The longer your legs, the more likely you are to unload them and pull with your back (I used to do that before I started Oly lifting, and I feel a massive burn in the legs now when I do pulls).
Shorter guys tend to have stronger legs and weaker backs (in comparison) and v.v. for tall guys.

I suppose a lot of it is personal preference and will have to do with how you were taught as well.

IMHO, the sumo stance looks a bit more like a squat (a bit like a trap bar deadlift), thus using a lot more legs.

Doeas that make sense?


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