Underhook
An underhook is when your arm goes under your partner's arm to gain connection, lift, turn, or control their upper body.
Quick definition
An underhook is when your arm goes under your partner's arm to gain connection, lift, turn, or control their upper body.
Beginner translation
Your arm sneaks under theirs so you can connect deeper and start steering their body.
Why it matters
The underhook is one of the most important hidden controls in BJJ. Beginners who understand it usually start moving better fast.
What beginners should know
A common mistake with underhook is using it passively instead of with structure and timing.
Common class phrases
- You see underhooks in half guard
- side control battles
- standing tie-ups
- and many scrambles
Beginner Safety Cue
Safety cue: Move with control and communicate early while training underhook.
FAQ
What does underhook mean in BJJ?
Underhook is a common BJJ term used in class to describe a key position, movement, or concept.
How should beginners train underhook safely?
Train underhook with control, follow coach cues, and tap or reset early when needed.
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