Nociplastic Pain: Why Your Scan Is Clean But You Still Hurt

Nociplastic Pain: Why Your Scan Is Clean But You Still Hurt

If your scan came back clean but you still hurt every day, the problem isn't you — it's a category of pain medicine only recently named. Nociplastic pain happens when your nervous system gets stuck on high alert, amplifying signals even when tissue looks fine. At HealthFit in Pasadena, we use the Source-Cause-Stack framework to address the upstream drivers — sleep, stress, deconditioning — and rebuild your confidence to move with graded, nervous-system-aware loading that retrains the alarm over time.

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Carpal Tunnel: What to Try Before You Agree to Release Surgery

Carpal Tunnel: What to Try Before You Agree to Release Surgery

About 600,000 carpal tunnel release surgeries are performed in the U.S. every year, yet a large share of those wrists never received a structured conservative trial first. At HealthFit Physical Therapy & Chiropractic in Pasadena, Dr. Jason Han treats the whole chain — from neck to hand — using his Source-Cause-Stack approach: nerve glides to free the compressed median nerve, posture correction to open the path from the top down, and regenerative therapies like EMTT and focused shockwave from Day 1 to calm inflammation and heal the tissue driving the problem. For mild-to-moderate cases, conservative care holds up well against surgery — without the incision or the recovery time.

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HBOT Before Surgery: The Four-Week Window Most People Miss

HBOT Before Surgery: The Four-Week Window Most People Miss

Surgery is a controlled injury — and the tissue that heals best is tissue that walks in prepared. Hyperbaric oxygen therapy (HBOT) in the three to four weeks before your procedure can boost tissue oxygenation by up to 1,200 percent, help regulate the inflammatory response, and encourage new blood vessel growth in the areas your surgeon is about to work on. At HealthFit Physical Therapy & Chiropractic in Pasadena, Dr. Jason Han builds individualized pre-surgical optimization plans using multiple chamber pressure levels matched to your procedure, health history, and timeline — because the window to prepare is shorter than you think.

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Why We Test Patients Who Feel Completely Fine

Why We Test Patients Who Feel Completely Fine

You feel fine. Your labs look fine. But in a study of over 120,000 adults, the least-fit group had five times the risk of dying early compared to the fittest — a bigger mortality gap than smoking, coronary artery disease, or diabetes. And almost none of them felt sick. At HealthFit in Pasadena, Dr. Jason Han tests what he calls the Silent Five: VO2 max, training zones, lean muscle mass, metabolic flexibility, and grip strength. None of them hurt. All of them matter. Every result maps onto your Longevity Blueprint — a precision health plan built from your real data, not a generic template. The patients he worries about most aren't the ones in pain. They're the ones who feel great and never look under the hood. Stop guessing. Test, don't guess.

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Pickleball Elbow Isn't Tennis Elbow — Why Your Treatment Isn't Working

Pickleball Elbow Isn't Tennis Elbow — Why Your Treatment Isn't Working

If your doctor called your pickleball elbow "tennis elbow," the label is half right — and the half that's wrong is exactly why your treatment isn't working. Pickleball paddles transmit more vibration than strung racquets, the wrist mechanics are shorter and more repetitive, and the average player's tendon already has decades of wear. That's not inflammation — it's degeneration. And the most common treatment, cortisone, has been shown to produce worse outcomes at twelve months than doing nothing at all. At HealthFit in Pasadena, Dr. Jason Han treats pickleball elbow through the full kinetic chain — grip strength, scapular control, cervical and thoracic mobility, hip mechanics — while using EMTT, focused shockwave, and radial pressure wave to stimulate real collagen remodeling in the degenerated tendon from Day 1. The label matters because the label drives the treatment. Treat the right injury, the right way, from the start.

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The Pickleball Pop: Why Calf Strains and Achilles Tears Are Surging

The Pickleball Pop: Why Calf Strains and Achilles Tears Are Surging

That pop on the pickleball court wasn't bad luck — it was the end of a process that had been building for years. Research shows over 90% of spontaneously ruptured tendons already had pre-existing degenerative changes before they snapped. Pickleball just exposed the structural threshold with hundreds of explosive push-offs per match on tissue that was already wearing down. At HealthFit in Pasadena, Dr. Jason Han treats the pickleball pop at every layer — the degenerated Achilles or calf tissue with EMTT, focused shockwave, and radial pressure wave, and the upstream mechanics that overloaded it in the first place: limited ankle dorsiflexion, restricted hip extension, weak glutes, and poor deceleration patterns. Rest calms the pain. Treating the source and the cause together from Day 1 is what actually keeps the pop from coming back.

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The Longevity Blueprint: A Precision Health System for High Performers After 40

The Longevity Blueprint: A Precision Health System for High Performers After 40

You exercise. You eat clean. You track your sleep. And still, something feels off — the energy dips, the recovery takes longer, the body composition won't move. That's not a willpower problem. It's a data problem. At HealthFit Physical Therapy & Chiropractic in Pasadena, Dr. Jason Han built the Longevity Blueprint — the same precision health system used inside professional sports organizations, now available to high-performing adults 40 to 60 who are done guessing. Clinical-grade VO2 Max testing, metabolic analysis, body composition, strength and power markers, and a one-on-one consult that turns your actual numbers into an actual plan. Here's how it works and who it's built for.

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Why Most Athletes Never Fully Recover From Jumper’s Knee (And What To Do About It)

Why Most Athletes Never Fully Recover From Jumper’s Knee (And What To Do About It)

Patellar tendinopathy affects nearly 45% of elite volleyball players and 32% of professional basketball players — yet most go through the same frustrating cycle: pain, rest, feel better, return to sport, repeat. The problem isn't effort. It's that most treatment addresses the source of the pain without ever fixing the cause. The tendon hurts, but the real issue is how you load your body — specifically, a knee-dominant movement pattern that puts the patellar tendon under more stress than it's designed to handle alone. Here's the movement pattern driving the cycle, the layers most rehab programs miss, and the 4-phase framework that actually breaks it.

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Achilles Tendinopathy Treatment: Why It Keeps Coming Back (And What Actually Fixes It)

Achilles Tendinopathy Treatment: Why It Keeps Coming Back (And What Actually Fixes It)

Achilles tendinopathy affects runners, athletes, and active adults — and for most, the frustrating cycle of rest, rehab, and relapse never ends. That's because standard treatment targets the tendon without addressing the real cause: mechanical breakdowns at the big toe, hip, and glutes that overload the Achilles with every step. At HealthFit Physical Therapy & Chiropractic in Pasadena, we close what we call the Source-Cause Gap — combining movement correction, eccentric loading, focused shockwave, and EMTT to not only calm the pain but fix the pattern driving it. Here's what a complete Achilles tendinopathy treatment approach actually looks like.

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Best Ways to Recover Quickly from a Hamstring Injury: Combining Physical Therapy and Hyperbaric Oxygen Therapy (HBOT)

Best Ways to Recover Quickly from a Hamstring Injury: Combining Physical Therapy and Hyperbaric Oxygen Therapy (HBOT)

Struggling with a hamstring injury and eager to return to your usual activities? You're in the right place! In this blog, I'll discuss how combining Physical Therapy with Hyperbaric Oxygen Therapy (HBOT) can expedite your recovery from hamstring injuries, a common plight among athletes and physically active individuals. These injuries often occur during high-speed activities like sprinting, jumping, or abrupt directional changes—challenges I frequently encountered while working in professional soccer.

Recovering from a hamstring injury can be a slow and frustrating process, significantly impacting your ability to walk, run, and perform daily tasks. This is where HBOT comes in. By sitting in a pressurized chamber and breathing enriched oxygen, your body can absorb more oxygen, promoting faster healing and enhancing your overall health. At HealthFit, our state-of-the-art hyperbaric chambers are designed to help you recover more quickly and effectively. Join me as we explore how this powerful combination of therapies cannot only heal current injuries but also prevent future ones, getting you back on track to doing what you love.

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