Half Guard
Also known as meia guarda, knee shield, z guard
A versatile guard family built around controlling one of the top player's legs while fighting for inside position, sweeps, or recovery.
At a glance
- Family
- Guard
- Format
- Gi & no-gi
- Level
- Fundamental
- Connections
- 4 techniques
Concept
What it is
Half guard describes a broad family of positions where the bottom player entangles one of the top player's legs. It ranges from chest-to-chest half guard to knee-shield, butterfly half, deep half, and modern underhook or wrestle-up systems.
The central battle is usually for head-and-arm position. The bottom player wants frames, an underhook, or a path underneath the hips; the top player wants to flatten the shoulders, win the crossface, and free the trapped knee.
Core mechanics
Key principles
- Protect the inside space between your knees and elbows.
- Stay on a side rather than accepting both shoulders flat.
- Connect the leg entanglement to an underhook, frame, or off-balance.
- Know when to sweep, wrestle up, or recover a more distant guard.
System map
How it connects
Jiu-jitsu techniques work in sequences. These are common conceptual routes in, productive next steps, and the defensive priorities that shape the exchange.
Common entries
Guard recovery
Capture one leg as the passer closes distance.
Knee shield
Place a shin frame across the torso to manage pressure and create an attacking lane.
Butterfly half
Add an inside hook to elevate or redirect the top player.
Next actions
Underhook sweep
Come onto the side, connect to the far hip, and build toward top position.
Wrestle-up
Use the trapped leg as a connection while rising to a single-leg or body lock.
Back exposure
Force the top player to post or turn while following the near hip.
Defensive priorities
Crossface and underhook
Win upper-body alignment before attempting to free the knee.
Knee-line recovery
Progressively clear the trapped knee instead of twisting against a fixed entanglement.
Base awareness
Keep the free leg available to post against sweeps and wrestle-ups.
Competition connections
Athletes associated with Half Guard
Keep exploring
Related techniques
Pass
Knee-Cut Pass
A pressure pass that drives one knee across the opponent's thigh while controlling the upper body and clearing the hips.
Guard
Butterfly Guard
A seated inside-position guard that uses instep hooks, upper-body connection, and off-balancing to sweep or enter the legs.
Transition
Wrestle-Up
A guard-to-standing transition that keeps contact with a leg or body lock and converts bottom position into a takedown or top position.
Takedown
Single-Leg Takedown
A takedown family that isolates one leg and finishes through running, lifting, tripping, or changing direction.
Rules and reference sources
Rules evolve. The official organizer documents below are the source of truth for competition legality; the guide above explains the technique conceptually.