Full swing · Changes the swing

Step-through

Setup in 3D
3D view
Setup from above
From above

Hit a short iron and let the trail foot step forward past the lead foot after impact, as if walking after the ball. Skip it if the trail knee or hip hurts when you step.

Trains
Fat, Thin, Low point
Dose (suggestion)
15 balls
Count
Clean strikes with a full step-through, out of N
Stop signal
Stop: pain 3 out of 10 or more, pain spreading into an arm or leg, numbness, or more pain the next morning.
Source
Golf Magic: Step into those crisp iron shots (Gary Player)