☕️Spilling the Pilateas – Edition 15☕️ Chest Expansion: Stable Arms Start in the Powerhouse
If your arms feel inconsistent in the saddle—
too strong one moment, disconnected the next—
it’s not your hands.
And it’s not just your back.
It’s your powerhouse.
Because stable, quiet arms don’t come from holding…
they come from length and connection through your entire system.
The Real Issue
Most riders are told:
“Use your back”
“Keep your arms at your sides”
“Don’t pull”
But that only scratches the surface.
Because what’s actually missing is:
➡️ Length through the primary powerhouse
➡️ Connection of the ribs into the back
➡️ Engagement of the triceps into that system
This is what organizes the arm.
Not your biceps.
Not your grip.
Your triceps connecting into your back—through a lifted, lengthened powerhouse.
The Exercise: Chest Expansion
Chest Expansion isn’t just about opening your chest.
It’s about creating unity between your powerhouse, ribs, back, and arms.
How to Do It (Your Way)
Set-Up:
Stand or sit tall
Find length first—lift through your powerhouse without tension
Feel your ribs stacked, not flared
Movement:
Reach your arms back from your triceps
Let that movement connect into your back
Feel your ribs organize into that connection
Maintain length through your spine the entire time
Add-on:
Turn your head right → center → left → center
Arms stay stable because they’re supported—not held
want to practice along? Go to my website the video is there!
What You Should Feel
This is the difference-maker.
You should feel:
Length through your entire powerhouse
Your ribs connected—not popping or collapsing
Your triceps anchoring your arms into your back
A unified system, not separate parts
You should NOT feel:
Gripping in your hands
Overworking your biceps
Compression in your lower back
How This Translates to the Saddle
This is where everything changes.
When this connection is in place:
Your arms stop acting independently
Your hands stop “doing” so much
Your contact becomes steady without force
Because now…
You’re not talking to the bit with your hands.
You’re talking through:
➡️ your powerhouse
➡️ your ribs
➡️ your back
➡️ into your arms
It becomes one conversation.
Why This Matters
If you ride from your fists or your biceps…
your horse feels inconsistency.
But when you ride from unity—
your horse feels clarity.
And that’s when the connection starts to feel effortless.
My Reset
This is something I come back to constantly.
Before I ride, I check:
➡️ Do I have length through my powerhouse?
➡️ Are my ribs connected into my back?
➡️ Are my triceps actually supporting my arms?
If not…
I don’t try to fix my hands.
I fix the system behind them.
Close
If your arms feel unstable or busy—
don’t isolate the problem.
Build the connection.
Because stable arms aren’t created…
they’re supported.
PS
PS: This is exactly the work we do in my Rider Biomechanics sessions—connecting the powerhouse to the saddle so your aids actually make sense to your horse.
If you want to feel this in your own body (and your ride), reach out to book or host a clinic.