Friday, May 15, 2015

The Importance of the Non-dominant Side

By Christopher Lard

All of my disc golf career I haven't paid any attention to my left arm. I throw RHBH, and I've thought endlessly about my right hand, wrist, arm, shoulder as well as my legs, feet, and hips. Careful consideration has been given to spine angle, weight distribution, and head placement but I have utterly ignored the left (non-dominant) side of my upper body.

So, obviously, my most recent distance breakthrough came from activating my left side. As far as I can tell this comes in two main parts. First you use the left side to pull the upper body around with more tension during the backswing, and then, once the weight shifts, the chest and core create a springboard to rotate the right side through faster.

Loading the Backswing

This part clicked for me while watching a Simon Lizotte clinic.


Right at the 10:20 mark he says that in a full reach back you should really be using your left shoulder to pull your body around. This loading of the backswing with the left shoulder is what makes the unloading of the tension so effective.

Unloading the Backswing

I can't begin to guess how much I've watched Paul McBeth slow motion videos, but it's a lot. One thing that he does very obviously is pull his left arm in with his chest and core right as the weight is shifting to the front foot. Focus on the action of the left arm beginning at around 8 seconds.



He goes from having the left arm lagging behind to abruptly pulling it in to his midline creating tension that springs his right side open with a ton of added force. If you could see his chest and core right now I guarantee every muscle would be tense The timing of this action is extremely important, but once your left side goes from being weight that is slowing down your rotation to tension that speeds it up the difference is amazing. It brings a truly explosive feeling to the throwing motion that is unlike anything else I've experienced. The difference between a left side that lags behind and one that assists the rotation will give a completely different feeling to the end of the throw. My right side feels like it's being sprung open by my left upper body, and it gives a strong feeling of late acceleration.


Above is a comparison of my current form (top) and my form back in November (bottom). There are lots of differences here, but the thing I want to focus on is the action of the left side starting right at 35 seconds. Just as the weight transfers to my front foot I bring my left shoulder and arm through to create tension in my upper body that will power my body open through the rotation. Compare that to the bottom throw where you can see that my left side is lagging behind sapping power out of the rotation.

When I worked this into my swing I accidentally did it in reverse, and in retrospect I think that is the best way to go about it. If you are already throwing 350'+ then your backswing is probably adequate, and adding in the unloading, forward action (like McBeth) will be immediately beneficial once the timing is down. The added turn that you get during the backswing from the added loading action only really makes sense once you have a feel for unloading what you already have. As with any motion, I would add this in doing stand still throws before adding it to an x step. Timing is essential, and the x step makes all timing about 10x harder.

One of the difficulties I encountered early on when trying to bring these concepts to my throw is that I would tighten up the rest of my body even though I only wanted to tighten up parts of my left side. When trying to implement this be sure to keep everything (other than the left side during the inward pull of the left arm) loose and relaxed as usual. Tension in your body can only work for you when it's localized with the proper timing.

I hope this helps others as much as it has helped me! As always, any feedback or comments are appreciated. Thanks for reading!

10 comments:

  1. Surprised to see you do the Feldberg hop. I thought that was frowned on!

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    1. My form ain't perfect! I hop to keep my tempo comfortable while not taking a huge last step.

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  2. Great information. When you say you're tensing up the left side, are you actually working to push that forward (loading on the back) and then forcing it forward as you're pulling through to the hit?

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    Replies
    1. Yep. In the loading portion I use my back muscles to pull the left shoulder back, and in the unloading part I use my pec, shoulder, and core to pull the left side in to my midline. It's the only part of the throw where I really use muscle.

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  3. Thanks for the article. This was something I had commented about back in January. Here are a coupe of videos that will also help. The one with Paige Pierce is especially helpful illustrating this.

    Mike C: http://youtu.be/Hr9y6FUgLZ4?list=PL3AC295CD56519888

    Paige Pierce: http://youtu.be/rXKmo-GmyX4

    Paul McBeth: http://youtu.be/2pgoH3B6X-o

    Ricky Wysocki: http://youtu.be/8MW6KmiT_q8

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  4. Thanks, Jason, for another astute analysis of proper backhand form. I tried this move in my family room and was amazed at how easily I could generate seemingly effortless arm speed using my left shoulder and back to fully extend the reach back and then start the rotation forward. Can't wait to try it out at my practice field.

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  5. I have noticed that most players follow through with their non throwing arm. When I throw this does not happen. I have yet to find any articles or videos on this topic. Could you do an article about this?

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  6. Thank you for taking the time to share your reflection and input and for putting together all these videos. I have been struggling with my reach back and foot work.

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