Thoracic Spine Basics: The Most Mobile Section of Your Back
In my last post, we began to break the spine into its major parts starting at the base, the lumbar spine. If you missed it, that post covered lumbar spine stability in the golf swing and why a stable base is essential before addressing mobility higher up the chain. This week, we will move up toward the more mobile section, the thoracic spine. As you build thoracic mobility, the next step is to train rotational power with a mobile thoracic spine through targeted movement patterns like the wood chop.
The thoracic segments of the spine were designed to be relatively mobile in there function when compared to the lumbar sections of the spine. With the alignment of the facet joints, the vertebrae of the thoracic spine allow for side to side bending and rotation. With an excess of anterior pressure on these joints (an increase of kyphosis from poor posture maybe?), the ability to rotate will be affected. Before training rotationally, it is important to promote thoracic extension to relieve any excessive forces that may be present. Addressing the root cause often means looking upstream at overall posture habits—exploring fitness strategies for correcting golf posture can lay the groundwork for restoring healthy thoracic movement. It’s worth noting that thoracic rigidity and injury-causing swing faults are closely linked—when the mid-back fails to rotate freely, the compensations that follow often manifest as the very movement breakdowns that put golfers at greatest risk.
How Thoracic Spine Mobility Affects Your Golf Swing
In golf and other rotational sports, a majority of movement should be promoted in this area. There is always mention of a good ‘shoulder’ turn in golf. This turning of the shoulders is done by moving the thoracic segments of the spine. When these segments are not performing there necessary duties, the spine above (cervical) or below (lumbar) must make up the difference. Once this relationship is altered, compensation and pain can occur over time due to the unnecessary stresses that are being placed on the body. Understanding how thoracic and pelvic movement work together is essential to appreciating why breakdowns in this chain lead to those compensations. Once thoracic mobility is restored, you can apply thoracic mobility to maximize your X-Factor and unlock the rotational power that a healthy mid-back makes possible.
How to Test Thoracic Spine Rotation: Side-Lying Assessment
A great way to test the amount of movement one has in the mid back is to start by lying on one side with knees bent. Keeping the knees together, roll the shoulder back to the ground trying to touch the shoulder blade to the floor. See Here. Check both sides and determine with side is restricted. Many components contribute to rotational restrictions, so it is key to identify what is the limiting factor (i.e. low back, rib cage, upper chest, etc.). Once you find the limited side and what is causing that limitation, go after the areas that are tight with any modality available. One highly effective option is foam rolling the thoracic spine for better rotation, which can help release restrictions before moving into active mobility work.
Testing Thoracic Rotation in Golf Posture
To Test your mobility standing in golf posture (since this is the way we will be using this new range of motion), rotate the shoulders to one side, then the other, keeping the hips still as you move. If you find this range is limited, improving downswing rotation with thoracic mobility exercises can help translate that newfound movement into a more powerful, consistent swing. Developing hip stability to complement thoracic rotation work is a key part of building the separation needed for a consistent, powerful swing. Many factors contribute to this complex movement. These will be discussed in the coming weeks on how to help control separation in the golf swing.
Check back again as we explore the cervical spine and move to controlling spinal movement. In Part 3, we take a closer look at cervical and thoracic rotation in the swing and how controlling these segments together drives better performance and injury prevention. When you’re ready to put that mobility to work, be sure to integrate your thoracic mobility into swing drills so the range of motion you’ve built translates directly onto the course.
One excellent starting point for building thoracic mobility is to improve thoracic mobility with the Bretzel stretch, a highly effective drill for targeting the restrictions identified in these assessments. If you’re wondering whether this approach is worth adding to your routine, our guide on foam rolling the thoracic spine for golf breaks down the evidence and shows you exactly how to apply it. If you try these exercises and you find them to be too challenging or uncomfortable, do not continue, until you have consulted with your physician. All exercises for golf should be customized to your needs after a proper evaluation.
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