Performance Physical Therapy in League City, TX

Get Back to Lifting, Running, and Playing

Pain doesn't have to stop you. You get a full hour, one-on-one with Dr. Tim, every visit.

BOOK A FREE 15-MINUTE CALL

It's free, and you'll leave with a clear next step. No referral needed.

Not ready to talk? Take the 3D studio tour first.

Dr. Tim testing a patient's shoulder strength with a handheld device in the studio

Strength tested side to side

60 min

One-on-one with Dr. Tim, every visit.

1 doctor

No aides. No hand-offs. Start to finish.

Book direct

No referral needed in Texas.

2026

Platinum Winner, CommunityVotes League City.

Dr. Tim checking a patient's shoulder on the treatment table

Does This Sound Like You?

Your knee, back, or shoulder hurts, and it keeps coming back.
You've tried rest and stretching, but it still isn't right.
You're worried you'll have to give up the thing you love.

You don't have to stop. We'll change how you train while you heal, so you can keep moving.

What You Get at Flexline

The Same Doctor Every Visit

Dr. Tim is the only therapist here. You're never passed to an aide.

A Full Hour, Just for You

Every visit is 60 minutes, one-on-one, in a private performance studio.

Numbers, Not Guesses

We test your strength side to side, so your plan comes from your numbers.

A Plan Built for Your Sport

Whether you lift, run, golf, or play pickleball, we'll keep you training while you heal.

BOOK A FREE 15-MINUTE CALL

Dr. Tim measuring a patient's arm strength next to the rack

What Patients Say

"Data-driven, wide range of proficiencies and tools!"

Trey W., public review

2026

Platinum Winner

Physiotherapists and Rehab Clinics, CommunityVotes League City

How It Works

Book a Free Call

We'll talk for 15 minutes about what hurts and what you want to get back to.
Find the Cause

Your first visit is a full hour. We test how you move to find out why it hurts, not just where.
Build Back Stronger

You'll get hands-on care and a clear plan that builds your strength, so you can stay active.

BOOK A FREE 15-MINUTE CALL

Meet Dr. Tim

Dr. Tim Berreth, PT, DPT

I'm the only therapist here, so you work with me from the first call to the last visit. I compete in disc golf, so I know what it's like when one arm decides how your weekend goes.