FOUNDING-MEMBER RATES: Player Portal $99/mo · Org Portal from $1,250/mo — locked for as long as you stay subscribed, even as new engines ship and pricing rises. Or start free with the 60-second scan.
GOLF SWING ENGINE LIVE · ALL SPORTS · BUILT BY A SPORTS-SCIENCE PhD

See exactly where your speed leaks. Then train the fix.

TopVelocity VIP rebuilds your swing as a 3D body, finds the link in your kinetic chain that is costing you speed, and writes your training from that number — not from a tip. Golf is live now; every sport gets the strength engine today.

60 sfree swing scan, in your browser
3Dmove.ai markerless capture (Player & Org Portals)
20+ yrsmeasured kinetic-chain training
150+peer-reviewed studies behind the golf engine
Free · no account · nothing uploaded

Find your speed leak in 60 seconds.

Upload one swing from your phone. Our AI grades your kinetic chain — pelvis turn, trunk turn, X-factor, arm structure, head control — against tour ranges, right in your browser.

  1. Film one swing, face-on, head to feet
  2. Pick your skill (golf swing live now)
  3. Get your chain-by-chain report and score
Scan my swing free →

3 free scans · then unlock unlimited 3D scans in the Player Portal

ONE PLATFORM · EVERY SPEED SKILL

Pick your skill. The method is the same; the engine is built per skill.

Speed in every sport comes from the same kinetic chain — legs into the ground, pelvis, trunk, arm, implement. We measure your chain and train the weakest link. The golf swing engine is live with full 3D capture; every other skill gets the strength & mobility engine today and its motion engine as it ships.

WHY MOST ATHLETES NEVER GAIN REAL SPEED

Coaching fixes positions. Speed comes from the body that makes them.

Almost nobody measures that body. So the swing looks better on video and the number on the launch monitor doesn’t move.

Positions without power

Technique changes that look right but never add speed, because the hips and trunk were never trained to rotate faster.

Output without cause

Radar guns and launch monitors measure the result. Nobody measures the pelvis, trunk and arm speeds — or the strength gaps — that create it.

Speed on a restricted body

Chasing speed on top of a stiff hip, an unstable pelvis or a side-to-side strength gap is how rotational athletes get hurt.

The plateau

Overspeed tools and generic programs stall when the weak link is strength, mobility or sequencing. Without knowing which, you guess.

3D GOLF SWING ANALYSIS · LIVE NOW

Longer off the tee, without swinging harder.

Clubhead speed is not a swing tip. It is how well your pelvis leads your trunk, how much stretch you create between them, and whether your legs have the strength to drive it. We measure all of that on your body and tell you the one thing to fix this week.

60 s
Start free: the MechanicsDNA Mini

One phone video, graded against tour ranges in your browser. Honest about what one camera can see — and exactly where it can’t.

3D
Go deeper: move.ai 3D capture

The Player Portal rebuilds your swing as a 3D skeleton with muscular animation, so pelvis and trunk rotation, X-factor stretch and the kinematic sequence are measured through every frame.

+mph
Train the fix, then prove it

ForceIQ finds the strength or mobility limit behind the leak; CoachIQ writes the block; you retest. More clubhead speed is more carry on every hole.

WHAT IS 5 MPH WORTH TO YOU?

Drag to your current driver clubhead speed

Most amateurs leave 5–10 mph in their kinetic chain.

60 mphJunior 80 · Club 93 · Scratch 105 · Tour 115+130 mph
95 mph ≈ 230 yd carry today
+13 ydwith +5 mph
+26 ydwith +10 mph
Estimate: about 2.5–2.7 yards of driver carry per mph at a solid strike (TrackMan averages). Your own numbers come from your scan.

Scan my swing free →Measure it in 3D →

HOW IT WORKS

Measure. Fix the weakest link. Measure again.

1Measure

Scan your skill and run ForceIQ’s simple field tests from home. You get a chain-by-chain report, a risk profile and the two or three constraints that matter most.

Outcome: you know exactly where your speed is leaking.
2Train from your numbers

CoachIQ turns the assessment into a training block sequenced for the kinetic chain — legs and hips first, then trunk, then arms and implement.

Outcome: every session is aimed at the link that adds the most speed.
3Retest and prove it

Rescan on a schedule. Every block ends with a new number and the next block is written from it. Coaches review remotely inside the portal.

Outcome: measurable speed, block after block.
CHOOSE YOUR PATH

Start free. Go 3D when you’re ready. Bring it to your whole roster.

Step 1 · Free

MechanicsDNA Mini

$0 · 3 scans
  • 60-second kinetic-chain scan in your browser
  • Pelvis, trunk, X-factor, arm structure, head control vs tour ranges
  • Filming guide for the best result
  • Nothing uploaded, no account
Scan free →
MOST POPULAR
For athletes & parents

Player Portal

$99/month · cancel anytime
  • Unlimited move.ai 3D swing scans (golf) — full chain, every frame
  • ForceIQ strength & mobility assessment
  • CoachIQ weekly program from your numbers
  • Retests, dashboards, coach messaging — web + mobile
Start my training →
For academies, clubs & teams

Org Portal

from $1,250/month · unlimited roster
  • Every athlete assessed, programmed and retested — under your brand
  • Golf: unlimited 3D captures for every student
  • Coach logins, teams, dashboards, parent reports
  • One flat license — no per-seat fees

Starter $1,250 · Pro $1,500 · Elite $2,500 · month to month

See organization plans →
THE SCIENCE

Speed is a sequence, not a cue.

Every threshold on this platform comes from peer-reviewed rotational-sport biomechanics; the golf engine alone is built on a library of 150+ studies. These are the principles it measures and trains.

The kinematic sequence

Pelvis, then trunk, then arm, then implement — each peaking faster than the one before. Breaks in the order cost speed and load the spine.

Putnam 1993 · Cheetham 2008 · Kibler & Sciascia 2010
Hip–trunk separation

The X-factor, and how fast it stretches, is one of the strongest predictors of output speed across swinging and striking skills.

Myers 2008 · Aguinaldo 2007
The ground is where speed starts

Peak force into the ground and its timing separate long hitters from short ones.

Han 2019 · Peterson 2020
Strength adds speed, symmetry protects it

Lower-body and trunk strength training raises output speed; bilateral gaps shift load to the stronger side.

Ehlert 2020 · Read 2013 · Hewett 2013
THE DIFFERENCE

Why measure the body instead of buying another gadget.

 TopVelocity VIPPrivate lessonsSpeed gadgets & apps
Measures the body, not just the output3D capture + strength assessmentBy eyeOutput only
Program built from your dataEvery block, rewritten from the retestSometimesTemplate
Injury-risk flagsSymmetry and mobility screens——
Works for a whole rosterOrg Portal, unlimited athletesOne at a time—
Monthly costFree scan · $99 · from $1,250 per org$300–800+$30–200
BRING YOUR FOURSOME · TEAM · TRAINING PARTNER

Speed is more fun when someone is chasing you.

Send a friend the free 60-second scan. They get their kinetic-chain score; you get someone to beat at the next retest.

💬 Text it𝕏 Post itf Share
COMMON QUESTIONS

Frequently asked questions

Is the scan really free?

Yes — three scans per person, no account, and your video never leaves your browser. It grades what one phone camera can see honestly; the Player Portal adds unlimited 3D scans.

Which sports does it cover?

The golf swing engine is live with full 3D capture. Every other sport gets the ForceIQ strength & mobility assessment and CoachIQ programming today, and its motion engine as it ships. Baseball and softball players use TopVelocity.org.

Is this a technique lesson?

No — it is the layer underneath the lesson. We measure and train the strength, rotation speed and sequencing your coach’s positions depend on. Keep your coach; bring them your numbers.

What equipment do I need?

A phone. Scans are normal phone videos; ForceIQ uses simple field tests you can do at home. Force plates and launch monitors are optional.

How fast will I gain speed?

It depends on where your speed is leaking — strength, sequencing or mobility — which is exactly why we measure first. Expect a retest every 4–6 weeks and a program that changes with your numbers. We do not publish a promised gain until the data for your sport supports one.

What do organizations get?

An org portal with roster, staff, teams and dashboards; 3D captures, ForceIQ and CoachIQ for every athlete; programs and courses you assign; one flat monthly license with no per-seat fees, month to month.

Where does the science come from?

Peer-reviewed rotational-sport biomechanics — kinetic-chain sequencing, hip–trunk separation, ground reaction force, rotational strength and symmetry — plus twenty years of measured kinetic-chain training led by a sports-science PhD. Citations are on the page and inside every report.

Find out where your speed is. It takes 60 seconds.

Free scan today. Unlimited 3D and a program written from your numbers whenever you’re ready.

Scan my swing free →Start the Player Portal →Organization sign-up

Free 60-second swing scanthen $99/mo for unlimited 3D
Scan free →
Brent
Chat with Brent He's live 🔥
Brent Pourciau
● Online — replies instantly

Hey! Drop your name, email, and cell and I'll jump in and help you add speed the right way.

No spam. Ever.