Basic Anatomy of Stretching the Lats

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Basic Anatomy of Stretching the Lats | Ep. 99 | Movement Fix Monday

Understanding the basic anatomy of the lats is important because it has implications on how to actually stretch the lats versus just stretch your shoulder joint or jam your shoulder joint.

The biggest thing you want to make sure you are doing when you are stretching the lats is....stretching the lats. Obviously, right?
The lats literally attach your low back to your arm. It attaches all the way down into the low back and then travels up to your arm and attaches to the front of your arm bone aka humerus.

Implications of attachment

When you turn your arm into external rotation, it tightens the lats. When you go into internal rotation, it loosens the lats.
When you round your low back, it tightens the lats and when you arch your back (extend) it will slack the lats.
When you side bend, you will either be slacking or tightening the lats. It's too hard to write which way will tighten vs slack and have it make sense, so just watch the video for that part.

Predispose the stretch

What you want to do when stretching the lats, using whatever stretching technique you want, is use both attachment ends in a way that will put the lat under tension.
For the arm, that means externally rotation your shoulder joint.
For the low back it means rounding it and side bending.

How I use it

I don't do a ton of static stretching. Stretching will improve your range of motion, no doubt, but does it actually change the way you move?
I think after stretching you need to train your movements. Here is an example.
Do you enjoy this type of post? The basic anatomy of a stretch?
Let me know if you do and I will make more videos like this one.


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