Horns System (Full)
It is not a full offense — it is a formation that launches a series of different sets depending on which entry the coach calls.
Team Offense
Four-Out One-In Offense (4-Out 1-In)
Four-Out One-In Offense (4-Out 1-In): The 4-Out 1-In offense places four perimeter players spaced around the three-point line with one post player on.
Direct answer
What is Four-Out One-In Offense (4-Out 1-In)?
Four-Out One-In Offense (4-Out 1-In): The 4-Out 1-In offense places four perimeter players spaced around the three-point line with one post player on.
Quick facts
| Category | Team Offense |
|---|---|
| Source volume | BASKETBALL_PLAY_VAULT.md |
What it is
- Four-Out One-In Offense (4-Out 1-In) is an offensive concept that the 4-Out 1-In offense places four perimeter players spaced around the three-point line with one post player on.
- Seal and maintain position on the block (ball-side).
- The perimeter spacing prevents the weak-side defenders from helping on the hi-lo. The four players on the perimeter occupy all four potential help defenders.
How it works
- This spacing maximizes driving lanes while maintaining a post threat.
- It is the dominant offensive framework at the college and high school level and is increasingly used in the NBA by teams that have a single interior scoring threat (e.g., a dominant center or power forward) surrounded by shooting.
- Spacing rule: The four perimeter players occupy the four perimeter spots: two wings (45-degree areas) and two corners.
- The post player occupies the ball-side block.
- Seal and maintain position on the block (ball-side)
Reads and counters
- Read 2: Hi-Lo - A perimeter player on the elbow or top position cuts to the opposite block or strong-side elbow. - The post player looks opposite — feeds the cutter for a hi-lo finish.
- The player who passed into the post immediately cuts to the basket along the baseline (Laker cut).
- If the post player's defender collapsed to help, the passer is open for a lob or easy catch in the lane.
- Named for the Showtime Lakers running this constantly.
- A perimeter player on the elbow or top position cuts to the opposite block or strong-side elbow.
Bilingual terms
| English | Four-Out One-In Offense (4-Out 1-In) |
|---|---|
| Simplified Chinese | 四外一内进攻（4-Out 1-In） |
| Traditional Chinese | 四出一進進攻（4出1進） |
Learn before and after
These graph neighbors help place Four-Out One-In Offense (4-Out 1-In) in the larger basketball map.
Flex Offense
Flex Offense is an offensive concept that the ball typically starts at the top and is entered to an elbow player to initiate the pattern.
Related concepts
Horns System (Full)
It is not a full offense — it is a formation that launches a series of different sets depending on which entry the coach calls.
Secondary Break
The secondary break is organized early offense — a structured attack executed before the defense has fully set but after the primary fast break.
Team System Breakdowns: NCAA
Team System Breakdowns: NCAA is an offensive concept involving tweak the offensive system to specifically attack the opponent's defensive scheme.
Empty-Side / Single-Side Pick-and-Roll Spacing
It is a dominant modern spacing design used to attack drop and ICE coverage.
3.1 Post Entries
3.1 Post Entries is an offensive concept that getting the ball into the post is the first problem.
3.2 Post Positioning & Footwork
3.2 Post Positioning & Footwork: The block (painted square at the lane line) is optimal — within 6-8 feet of the basket - Use body-to-body seal — do.