
Here’s the reality: most people think Achilles tendonitis is a “too much running” problem. That’s only part of the story—and honestly, not even the most important part.
Achilles Tendonitis: It’s Not Just Overuse
Achilles tendonitis is one of the most common causes of heel and ankle pain. It often shows up as stiffness or soreness in the back of the heel, especially with those first few steps in the morning or going up and downstairs. Many patients notice that it loosens slightly as they move, only to become more painful again by the end of the day.
Overuse can absolutely play a role. But if you stop there, you miss why so many cases don’t fully improve—or keep coming back. For many patients, especially midlife women, the tendon itself isn’t the root problem. It’s everything influencing how that tendon is being loaded.
The Hormonal Factor: Perimenopause and Menopause
This is the piece that rarely gets discussed.
As estrogen levels decline during perimenopause and menopause, the body’s ability to maintain healthy connective tissue changes. Estrogen plays a role in collagen production, tissue elasticity, and repair. When those levels drop, tendons can become less flexible, more prone to small tears, and slower to heal.
That means Achilles pain can develop even if your activity level hasn’t changed. I hear it all the time: “I didn’t do anything different.” But your body did—and your tendon is responding to that shift.
Shoe Choice: The Quiet Contributor
Footwear is one of the most underestimated factors in Achilles pain.
Over time, unsupportive shoes—whether that’s completely flat styles, worn-out sneakers, or slip-ons without structure—place more strain on the tendon. A sudden transition to minimalist footwear can do the same thing. These changes alter how your foot interacts with the ground, increasing the stretch and load placed on the Achilles.
It’s rarely one bad day in the wrong shoes. It’s the accumulation over weeks and months that starts to matter.
Ankle Arthritis: The Hidden Driver
When the ankle joint loses mobility, the body has to compensate. That compensation often shows up as increased stress on the Achilles tendon.
With ankle arthritis, motion becomes more limited and less efficient. The tendon ends up absorbing forces that should have been distributed through the joint. Patients often focus on the tendon pain, but the joint dysfunction underneath is what’s driving the problem.
Muscle Weakness: It’s Not Just Tightness
A lot of people assume Achilles issues are caused by tight calves. And while tightness can contribute, weakness is just as important—if not more.
When the calf muscles aren’t strong enough, the tendon has to work harder to do the same job. Over time, that leads to overload and irritation. This is especially common after periods of inactivity, with aging, or in patients who haven’t incorporated strength training into their routine.
Stretching alone won’t fix that. The tendon needs support from a stronger system.
The First MTP Joint: The Problem You Don’t Feel
One of the most overlooked contributors to Achilles tendonitis is the first metatarsophalangeal joint, or big toe joint.
This joint plays a critical role in how you push off when you walk. If it becomes stiff or restricted, your gait changes—even if you don’t feel pain in the toe itself. That altered movement pattern shifts more load onto the Achilles tendon.
Over time, that compensation builds into chronic strain. The pain shows up in the tendon, but the problem often starts much further forward in the foot.
Why This Matters
If Achilles tendonitis is treated as a simple overuse injury, most people are told to rest, stretch, and wait. Sometimes that helps temporarily, but it often doesn’t address the full picture.
When hormonal changes, joint restrictions, muscle weakness, and footwear all play a role, the tendon continues to be overloaded in the same way—even after rest. That’s why symptoms tend to linger or return.
What Actually Helps
Effective treatment starts with identifying why the tendon is being stressed in the first place. That may mean improving footwear, restoring joint motion, building strength in the calf and surrounding muscles, or supporting foot mechanics with orthotics. In some cases, treatments like shockwave or laser therapy can help stimulate healing, especially when the tendon has been irritated for a longer period of time.
For many women, it also means acknowledging the role of hormonal change and adjusting care accordingly. That piece is often overlooked, but it matters more than people realize.
The Bottom Line
Achilles tendonitis isn’t always about doing too much. Sometimes it’s about doing the same things in a body that’s changing, or moving through a system that’s compensating in ways you don’t see.
When you identify the real cause, treatment becomes much more effective—and much less frustrating.
Ready to Figure Out What’s Actually Causing Your Pain?
If your Achilles pain isn’t improving, or keeps coming back, it’s time to take a closer look.
At Lighthouse Foot and Ankle Center, the goal isn’t just to treat the tendon. It’s to understand the full picture—how you move, how your joints function, how your muscles support you, and what may have changed over time.
Once you have that clarity, you can move forward with a plan that actually works.
Schedule a visit today to get answers and a clear path forward.
Lighthouse Foot and Ankle Center
23 Spring St, Suite B
Scarborough, Maine
207-774-0028
www.lighthousefootandankle.com
Your Achilles pain has a reason. The key is finding it.

