Why Shoulder Pain Shows Up in Yoga (And What Teachers Often Miss)

A look at how shoulder and neck tension often connects back to thoracic mobility and compensation movement patterns

Shoulder discomfort is one of the most common things that shows up in a yoga room. You’ll see it in newer students who are still figuring out the shapes, but just as often in long-time practitioners who have been moving this way for years.

Because the shoulder joint is complex, it’s easy to assume the issue lives right there, at the top of the arm, where students will usually point when you ask, “Where is your shoulder?” But in practice, it’s rarely that simple.

What I’ve found most helpful, both in my own practice and in teaching, is guiding students away from thinking about the shoulder as a single point, and instead toward understanding it as part of a larger, coordinated system.

The shoulder doesn’t move alone

Take something as common as lifting the arms overhead. It looks straightforward, but for that movement to happen well, several things need to work together:

• The thoracic spine needs to extend (gently arch backward)

• The scapulae (shoulder blades) need to upwardly rotate and glide smoothly along the ribcage

• The humerus (arm bone) needs to externally rotate

• Surrounding muscles need to both stabilize and release at the right time

When one part of this system is limited, the body will find a workaround. That workaround is often where discomfort begins.

Thoracic mobility: the missing piece

A big one that often gets overlooked is the upper and mid-back - the thoracic spine.

If the thoracic spine is stiff, especially in extension, the body still needs to get the arms overhead somehow. So instead of creating movement where it’s intended, students may:

• Arch excessively through the lower back

• Push the ribcage forward (rib flare)

• Over-recruit the neck and upper trapezius

Over time, this creates a pattern where the shoulder joint is asked to do more than it’s designed for, without the support it needs.

Bringing awareness to the scapula

Another shift that can make a big difference is helping students build awareness of their shoulder blades.

The scapulae are meant to move. For healthy overhead motion, they need to upwardly rotate, slightly elevate, and wrap around the ribcage.

But many students either:

• Hold them rigidly in place (“pull your shoulders down and back”), or

• Lack awareness of how they move at all

Both can interfere with natural shoulder mechanics.

Instead of cueing static positions, it can be more useful to guide students toward feeling the movement of the shoulder blades—how they slide, rotate, and respond as the arms lift and lower.

The role of the lats and surrounding muscles

Tightness doesn’t always show up where you expect it.

The latissimus dorsi (lats), for example, are large muscles that connect the arms to the spine and pelvis. When they don’t lengthen or “let go” effectively, they can limit how freely the arms move overhead.

When that happens, other muscles often step in to compensate - especially the upper trapezius and neck muscles. This is where students may start to feel gripping, tension, or even pain.

Helping students experience the difference between effort and unnecessary holding can go a long way here.

The underrated role of the serratus anterior

One muscle that deserves more attention in yoga spaces is the serratus anterior.

This muscle sits along the side of the ribcage and plays a key role in:

• Stabilizing the scapula

• Supporting upward rotation of the shoulder blade

• Integrating the arm into the trunk

In many ways, it functions as part of the deeper core system.

When the serratus isn’t doing its job effectively, stability often shifts elsewhere - again, usually into the neck or upper shoulders.

Developing awareness and strength here can create a noticeable difference in how supported the shoulders feel, especially in weight-bearing positions like plank or downward facing dog.

Understanding rib flare

Rib flare is another common pattern that shows up in yoga, especially in overhead movements or backbends.

Instead of the movement being distributed through the thoracic spine and shoulder joint, the front of the ribcage pushes forward.

This can create the appearance of greater range of motion, but it comes at a cost:

• The core becomes less stable

• The relationship between ribs and pelvis is disrupted

• The shoulders lose a stable base to move from

Over time, this can contribute to both instability and discomfort.

Helping students recognize and adjust this pattern—without over-restricting their breath or movement—is an important piece of the puzzle.

What this means for teaching

When we shift the focus from “fixing the shoulder” to understanding the system around it, new options open up.

Instead of asking students to push deeper into a shape, we can guide them to:

• Notice where movement is coming from

• Explore how the shoulder blades are moving

• Access thoracic extension more intentionally

• Balance effort and release in surrounding muscles

• Build support through the serratus and core

These are subtle shifts, but they tend to create more sustainable change.

Closing thought

Shoulder discomfort in yoga isn’t just about the shoulder. It’s often a reflection of how the whole system is (or isn’t) working together.

When students learn to feel that coordination when the ribs, spine, scapulae, and arms start to move as a unit - things often begin to change. Not just in how the poses look, but in how they feel.

And as a teacher, this is something you can learn. You don’t need to have all the answers right away, but building a clearer understanding of anatomy and movement can make a real difference in how confident you feel - both in supporting your students and in your own practice.