⚽ GOALKEEPER PHYSICS
PAGE 1 OF 5 — THE GEOMETRY OF COVERING A GOAL
THE ANGLES
NARROW THE ANGLE
A goalkeeper's job is really a geometry puzzle. From the striker's position, the goal is a rectangle they must aim at, but the keeper can shrink that target by stepping forward. Imagine lines drawn from the ball to each goal post. The keeper standing on the line must cover a huge wedge of space. Step a few metres out, and those lines squeeze together, making the goal look much smaller to the shooter. This is called narrowing the angle, and it is the single most important idea in goalkeeping science. The best keepers think like mathematicians every time they leave their line.
⚡ DID YOU KNOW?
A standard goal is 7.32 metres wide. From the penalty spot, a keeper on the line must cover a shooting angle of about 38 degrees. Step forward six metres and that angle shrinks to roughly 20 degrees.
ANGLE!
COVERAGE
📐 The keeper must cover every shooting lane
🎯 Ball to post lines define the danger zone
🧤 Arms and body block the widest gaps
🎯 Ball to post lines define the danger zone
🧤 Arms and body block the widest gaps
STEP OUT
👟 Every step forward shrinks the target
📉 The striker sees less open net
⚖️ Balance risk of a chip over the top
📉 The striker sees less open net
⚖️ Balance risk of a chip over the top