Rules worth knowing
Futsal kick-ins bring the touchline restart down to the floor
Learn the essentials of a futsal kick-in: a stationary ball on the touchline, the four-second limit, opponents’ distance and the restriction on a direct goal.
COURT · MOVEMENT · GAME
Rules worth knowing
Rules worth knowing
A handball goalkeeper has different permissions inside the goal area
Understand the indoor handball goalkeeper’s special permissions in the goal area and see why crossing the line changes which playing rules apply.
Rules worth knowing
A badminton racket touching the net can end the rally before the shuttle lands
Touching the badminton net during a rally is different from following a legal stroke over it. Read the timing, point of contact and obstruction rules together.
Rules worth knowing
Badminton’s service-height rule measures the shuttle, not the server’s waist
The BWF service rule uses a fixed height for the whole shuttle at impact. A player’s height or a camera angle cannot replace that measurement.
Rules worth knowing
Why a basketball backboard has a marked rectangle behind the rim
The marked backboard rectangle gives basketball players a visual reference. It is not a guarantee that every shot aimed there will score.
Rules worth knowing
Badminton changes ends at specific points, including mid-decider
In standard 21-point badminton, players change ends after games and when a side first reaches 11 in the third. Here’s how to handle a missed change.
Rules worth knowing
A badminton line call depends on the shuttle’s first contact with the floor
A shuttle’s first contact with the floor decides a badminton line call. Learn why its final resting position or feather overhang can mislead players.
Rules worth knowing
A badminton let restarts a rally without awarding a point
A badminton let cancels play since the last service and the same server serves again. Learn common examples and why a net touch is not automatically a let.
Rules worth knowing
Badminton’s service court follows the server’s score
Use the server’s score to choose the correct badminton service court, then keep singles and doubles positioning rules distinct.