The APX method
Test first.
Train second.
Most youth training runs on feel. Ours starts with a measurement: how fast your athlete accelerates, how well they change direction, how freely they move, and how much force they produce. Those numbers become their training targets, and a retest shows exactly what moved. See the tests ↗
Force, speed, and movement, measured to the number.
Up to three things to work on, each with a training focus, show exactly where to start.
Speed, agility, and mobility sessions built around the metrics that need to move, with strength added when the athlete is ready.
Numbers update. Gaps close. Repeat.
What we train
Fast, agile, and mobile first.
Strong when they're ready.
Youth training at APX builds speed, agility, and range of motion in every session, coached by the same people who run the tests. Strength work starts with bodyweight and technique at every age; heavier load comes when an athlete's movement, growth, and age say they're ready. Every session targets a number from your athlete's report, every plan includes a weekly jump check, and retests keep the training and the testing moving together.
Speed
First-step acceleration, sprint posture, and arm action. Acceleration is the speed that shows up most in youth games, so it gets the most reps.
Agility
Braking, cutting, and landing under control. Athletes learn to slow down well before they learn to turn faster, so their change of direction holds up late in a game.
Range of motion
Ankle, hip, and upper-back mobility, plus shoulder range for overhead athletes. Growing athletes lose range fast, so mobility is part of every session, not an afterthought.
Strength, when ready
Bodyweight and technique first, at every age. Load is added once an athlete moves well and controls each side. Retests show whether strength is moving.
Formats
How you train.
Group
$299/month
Ages 14 and under. Two sessions a week of speed, agility, and mobility work, grouped by ability, not age. Up to 10 athletes. Retests $149.
Performance
$329/month
High school athletes, ages 15–18. Two sessions a week in groups of up to 8, with strength work added as each athlete is ready.
Extra session
$45 a session
Want more than two sessions in a week? Each one past two is $45, when there's a spot, with no plan change.
Private
$179 a session
One coach, one athlete, 45 minutes, built around the athlete's report. On its own or on top of any plan.
Teams, schools, and clubs
$99 per athlete
Testing for the whole roster, from 10 athletes: the full Baseline plus tests for their sport, with an individual report for every athlete. Schools and clubs bringing 30 or more test at $89 per athlete, and a team test counts as the athlete's Baseline. Talk to us about your team.
Every format is priced on one page, with no sign-up fees. Plans and pricing are subject to change. See plans and pricing ↗
What we test
Numbers become workouts.
Your athlete's report doesn't sit in a folder. It drives the programming. Every Baseline runs the same tests, each one answers a specific question, and each answer maps to a training focus. Athletes under 12 run a shorter set, and nothing here is a pass or fail grade.
Countermovement jump
The most-studied jump test there is: height, power, and left-right force in one effort, and the weekly jump check between retests. How deep and how fast the athlete dips shows how they make the jump.
In training: low jump height gets plyometric loading; a slow, deep dip gets quicker, shallower jumps first, then light elastic work; a left-right force gap that holds up across tries gets single-side work.
Single-leg jump and 10-5 hop
For athletes 12 and up. The 10-5 hop reads how quickly the ankles bounce off the ground; the single-leg jump reads each leg's power. These land hard, so a coach watches the practice landing first, and an athlete who can't land under control skips the test that day.
In training: a skipped or uncontrolled landing gets landing mechanics first; a slow bounce off the ground gets low, quick hops; a single-leg gap that holds up across tries gets single-side power.
Shoulder strength test
For athletes 12 and up. Lying face down, the athlete presses one straight arm into the plate overhead, at an angle, and out to the side: force through each arm in the positions athletes throw, block, and fall in.
In training: the number is tracked from test to test. The test is new to youth athletes, so a change is shown but not called a finding until our own repeat testing sets how big a change is real.
Hip and hamstring strength
Inner-hip, outer-hip, and hamstring force on each leg against fixed sensors: the muscles that steady the pelvis and knee when an athlete cuts, lands, and sprints.
In training: a side gap that holds up across tries gets single-side strength; low force for body weight gets a progressive strength block once movement is clean.
Ankle test, overhead squat, and single-leg squat
3D motion capture reads ankle range as the knee drives over the toes, then depth, trunk lean, and knee alignment on two legs and on one. The fastest way to decide what mobility or control work an athlete needs before adding load.
In training: limited depth with a forward lean gets ankle and hip mobility; knees dropping inward gets hip control; a trunk that tips on one leg gets hip and trunk work for that side.
Sprint and 505 turn test
Acceleration is the speed that shows up most in youth games. The sprint, 20 m for ages 8 to 11 and 30 m from 12, is tracked from test to test, and the 10 m split shows the first steps. The 505 times a sprint into a turn, each side.
In training: a sprint time that is not moving puts sprint technique first; speed well ahead of strength gets a strength block; a slower turning side gets change-of-direction work on that side, and a 505 well behind the 10 m split says the turn, not the speed, is the limit.
Height and body mass are measured at every test, with sitting height for boys, to estimate where an athlete is in their growth, which sets how training is pitched; they are not scored. A drop in a number is never written off as growth: the report says when a test needs repeating instead. Test results are development tools and are never used for team selection, tryouts, or roster decisions.
Sport add-ons
About ten more minutes. Answers for their sport.
A $49 add-on rides along with any Baseline or retest from age 12, chosen by sport. Its tests slot into the session where they belong, and its results get their own section of the report and their own line in the program.
Overhead and Rotation
Tests: shoulder internal and external rotation strength on ForceFrame, and shoulder, hip, and trunk rotation range on HumanTrak, with the Baseline shoulder test read again for each arm.
In training: external rotation lagging internal rotation gets rotator-cuff work; lost shoulder range gets shoulder mobility; limited hip or trunk rotation gets rotation mobility. A throwing arm that differs from the other is expected, so the gap between arms is context, not a flag.
Cutting and Landing
Tests: a single-leg land and hold on ForceDecks, and calf, quad, hip flexor, and glute strength on each side on ForceFrame, plus the single-leg jump for ages 12 to 14.
In training: slow to stick a landing gets landing control; a side gap that holds up across tries gets single-side strength; low calf or glute force for body weight gets the push-off strength behind sprinting and cutting.
Contact and Collision
Tests: neck strength in each direction on ForceFrame, from age 13.
In training: a weaker direction, or one side behind the other, gets gradual neck strengthening in that direction.
Get started
Training starts with a test.
Baseline Assessment $199 · Retest $149 · No sign-up fees
Create your free family account, add your athlete, and pick a Baseline time. Questions? Call (858) 899-0098.
Create your accountAlready have an account? Sign in