Jab
Jab · ジャブ · Direct bras avant
The jab is the most-thrown punch in kickboxing and the least appreciated, because most of its work is invisible. It measures distance, interrupts entries, hides the shots behind it and — critically in a sport with leg kicks — establishes the head as a threat so the opponent's guard stays up and their weight stays back. A kickboxer with no jab is a kickboxer whose low kicks arrive alone and get checked.
The punch travels straight from the guard with the lead shoulder rotating into it, the fist turning over at the last moment, and the elbow staying down. There is no wind-up and no step needed for the basic version, which is exactly why it is fast enough to be a defensive tool. The rear hand stays on the chin throughout; the lead shoulder rises to shield the jaw as the arm extends.
In a kickboxing context the jab does one job it does not do in boxing: it manages the kicking exchange. Because a jab occupies the opponent's guard and their attention at head level, it is the standard opener for the Dutch combination — hands high, then the leg goes underneath. Fighters also use a stiffer, longer jab as a physical brake, planting it into the face of an advancing opponent to stop the entry rather than to score.
Against Kyokushin rules the jab does not exist at all, since punches to the head are banned. That single absence explains most of what looks strange about knockdown karate to an outside viewer: with no jab to respect, fighters stand square, close the distance immediately, and never develop the head movement that a jab-led sport demands.
Key points
- Punch straight from the guard with no wind-up — the speed is the weapon
- Rotate the lead shoulder up to shield the jaw as the arm extends
- Turn the fist over at the last moment rather than throughout the punch
- Keep the rear hand on the chin for the whole motion
- Use it to lift the guard before committing to the low kick underneath
- Vary between a fast measuring jab and a stiff, weight-behind stopping jab
Common mistakes
- Dropping the lead hand on the way back, which invites the counter cross
- Flaring the elbow outward, which telegraphs and costs speed
- Leaning in behind it and putting the head on the centre line
- Throwing it only as a range-finder and never with intent, so it stops earning respect
- Failing to follow it with anything, which lets the opponent read it as a free beat
Drills
- 1Mirror work at range, focusing on the shoulder shielding the chin on every extension
- 2Pad rounds where only the jab scores, forcing variation in timing and intent
- 3Partner drill: one fighter advances, the other stops the entry with a stiff jab
- 4Combination drill: jab to lift the guard, low kick underneath, repeated until the sequence is automatic