Your baseball swing, measured from load to contact.
Load, stride and contact, measured from one phone clip, with the one thing to work on first and a drill to groove it.
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What the coach measures
One clip, one angle. Here's what each angle can read. Film the other angle another day for the rest.
How far your hands ride back before the swing fires. A calm gather into the back side loads the spring. Near zero means the swing started from nothing.
How far your front foot travels to its landing. The stride is a timing device, not a distance event. Short and soft beats long and crashing.
Whether your front foot lands before the swing fires. Landing first, even for a heartbeat, is what “land ready” means; swinging mid-stride is the lunge.
How still your head stays from load through contact. Quiet eyes are the aiming system. The swing moves around the head, not with it.
Your hands’ top speed through the zone, measured relative to your own body size. It’s a quickness proxy, not a radar gun, and it’s most useful compared against your own last session.
How long your swing takes from launch to contact. Short and direct beats long and around. The ball doesn’t wait.
Whether your front foot lands before the swing fires. Landing first, even for a heartbeat, is what “land ready” means; swinging mid-stride is the lunge.
How fully your shoulders finish their turn by contact, seen from behind. A full turn means the body swung the bat. A partial one means the arms did.
How still your head stays from load through contact. Quiet eyes are the aiming system. The swing moves around the head, not with it.
How long your swing takes from launch to contact. Short and direct beats long and around. The ball doesn’t wait.
Where your hands finish. A finish that wraps up over the shoulder means the swing went all the way through. Stopping at the chest means it quit early.
How repeatable your swing clock is across these cuts. One swing, grooved, beats five different ones.
One open side clip, the angle we ask for, measures 4 of these 5: Separation needs a Behind clip.
A category the clip can't show clearly comes back blank rather than guessed.
The report, start to finish
Explore it: this is the layout you get. The numbers below are a worked example, not a recording of someone's clip.
Practice you can choose
Rehearse your familiar batting setup without a ball, pitcher or swing.
How to film it
- ✓ Phone at chest height, 12-15 feet away and fixed, landscape - you should stand about a third of the frame tall, head to feet. Below a sixth the clip is usually rejected
- ✓ Whole body AND the bat in frame through the full swing
- ✓ Nobody holds the phone - stride length, lateral stride drift, head drift and hand speed are all dropped on a moving camera
- ✓ One swing per clip; start filming before the load
- ✓ Open side (facing your chest) gives the deepest read
- ✓ Normal playback speed, not slo-mo - time-to-contact is timed straight off the clip, so a slowed-down swing reads as a slow swing. Bats move fast, so 60 fps helps, as long as it isn't your camera's slo-mo mode
Fix your baseball hitting
- All Arms, No Body? Let the Turn Swing the Bat
- Six Hitting Drills You Can Do at Home With a Tee
- Can AI Really Check Your Baseball Swing? What Gets Measured: and What Doesn't
- Casting Your Hands: Why Your Swing Takes the Scenic Route
- Chopping Down at the Ball: Level-to-Up Beats the Chop
- Cutting Your Swing Off: Drive Through the Ball, Not Around It
- Your First Cage Session: a Plan From Zero
- Your Follow-Through Is a Receipt: Finish the Swing You Started
Your first measured swing is one clip away
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