The Run Rx

The Run Rx Personal training, gait analysis, & performance physical therapy for the modern athlete

Boston’s best physical therapy and personal training for runners and active individuals who want to stay strong, injury-free, and performing their best. At The Run Rx, our Doctors of Physical Therapy deliver one-on-one, personalized care and training to help you move confidently, stay healthy, and love every mile.

09/15/2026

09/09/2026

If you've ever tried to shorten your stride and land closer to your body, you probably noticed it felt like more work. Most runners take that as a sign they're doing it wrong.

They're not. Here's what's actually happening 👇

A longer, reaching stride quietly offloads a lot of impact onto your passive structures — bone, cartilage, connective tissue. Those don't contract. They don't cost you any energy. They just absorb.

Land closer to your body and that job shifts to your muscles and tendons. Active tissue has to contract to absorb load, and contracting costs energy.

So yes, it's harder. That's not a flaw in the change — that's the whole point of it. You've taken a load off structures that were quietly taking a beating and handed it to tissue that's designed to manage it.

But here's where people get stuck: if you don't have the capacity to sustain that, one of two things happens. You drift back to your old pattern within a mile. Or you hold it and it just stays exhausting.

This is why plyometrics matter more than most runners realize. They train the stretch-shortening cycle — your body's ability to store and return energy through the tendon rather than muscling through every landing. That efficiency is what makes a shorter, quicker stride sustainable instead of expensive.

Plyos aren't the boring prerequisite before the "real" fix. They're what makes the fix hold.

Build the capacity first. Then adjust the mechanics. 💪

Because “just stop running” isn’t a plan.Rest might quiet things down. But if nothing changes before you start running a...
09/08/2026

Because “just stop running” isn’t a plan.

Rest might quiet things down. But if nothing changes before you start running again, you’re often right back where you started.

We’d rather figure out why the problem showed up, what needs to change, and how to keep you moving while we build the strength and capacity your running demands.

The goal isn’t simply to get you through an injury. It’s to give you a clear path forward — and build a runner who’s better prepared for the miles ahead.

📍 Somerville, MA
🔗 Ready for a plan that goes beyond rest? Get in touch at the link in bio.

09/03/2026
Clarity over guesswork.Running pain is frustrating enough. Not knowing why it keeps happening makes it even harder.We be...
09/02/2026

Clarity over guesswork.

Running pain is frustrating enough. Not knowing why it keeps happening makes it even harder.

We believe you should understand what’s going on, what’s contributing to it, and exactly what you can do about it. That means looking beyond symptoms to your strength, movement, running mechanics, training load, and the bigger picture.

No vague advice. No endless cycle of rest and retry. Just a clear plan built around you and where you want to go. That focus on clarity and root-cause insight is a core part of how we care for runners.

📍 Somerville, MA
🔗 Ready for a clearer path forward? Get in touch at the link in bio.

CADENCE, STRIDE LENGTH, AND FOOT STRIKE ARE MORE CONNECTED THAN YOU THINK.Cadence. Stride length. Foot strike.Most runne...
08/26/2026

CADENCE, STRIDE LENGTH, AND FOOT STRIKE ARE MORE CONNECTED THAN YOU THINK.

Cadence. Stride length. Foot strike.
Most runners have been told to "fix" one of them.

They're not 3 separate levers. They're one system — pull on one, the other two move.

Inside:
→ the vertical-line test for where your foot should land
→ why a straight knee at landing is the actual problem
→ why "lower impact" from forefoot striking doesn't mean safer bones
→ why a shorter stride feels harder at first, and what fixes that

🔗 Click the link in our bio to read the full blog.

The Clearest Path ForwardWhen you're dealing with a running injury, the hardest part often isn't the pain—it's not knowi...
08/25/2026

The Clearest Path Forward

When you're dealing with a running injury, the hardest part often isn't the pain—it's not knowing what to do next.

Our job is to replace uncertainty with clarity.

We take the time to understand what's really driving the problem, explain it in a way that makes sense, and build a plan that's tailored to your goals—not a generic protocol.

Because confidence starts with understanding.

📍Somerville, MA
🔗 Get clarity on your next step at the link in bio.

Stronger for LongerStrength isn't just about lifting more weight—it's about building a body that can keep doing what you...
08/20/2026

Stronger for Longer

Strength isn't just about lifting more weight—it's about building a body that can keep doing what you love for years to come.

Whether you're training for your first 5K or chasing a marathon PR, the goal isn't just getting through this season. It's staying healthy enough to enjoy the next one, too.

We help runners build strength that translates to the road—so you can spend more time training and less time managing injuries.

📍Somerville, MA
🔗 Ready to build a stronger foundation? Get in touch at the link in bio.

Address

315 Broadway
Somerville, MA
02145

Opening Hours

Monday 7am - 7pm
Tuesday 7am - 7pm
Wednesday 7am - 7pm
Thursday 7am - 7pm
Friday 7am - 3pm

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