Measure First · Guess Never

The Performance Lab

Every FirstCall athlete starts with real numbers. Tap any measurement to see exactly what it is, why it matters, and how it works — the same rigor whether you're a freshman or chasing a scholarship.

Body Composition

Styku 3D Body Scan

See exactly what your body is made of — and watch it change.

~35s Per scan2–4% vs. DXAFully Clothed

Learn more →Aerobic Engine

VO₂ Max Test

Measure the size of your engine — then train off real numbers.

10–15m Test timeGold StandardTrue HR zones

Learn more →Inside the Athlete

Journeys Performance Blood Panel

We look inside before we build a single plan.

40+ MarkersMD Reviewed1 Blood draw

Learn more →Safety First

EKG — Cardiac Screen

We clear the heart before we clear the athlete.

~5m PainlessMD ReadJul 2026 FL requirement

Learn more →

Your athlete's starting line is a number, not a guess.

See testing & pricing →How the program works