Hook

SubFamily

フック(Fukku)

Transliteration

Translation: hook

Overview

A short, powerful punch delivered in a horizontal or semi-circular arc with the elbow bent at approximately 90 degrees, targeting the head or body from the side.

Also known as
Kagi TsukiJP[1]Croche[2]Hook PunchBoxing[3]

History & Origin

The hook punch is one of the fundamental power punches in boxing, delivered in a short arc targeting the chin, temple, or body. [1] Dempsey described the hook as 'the most devastating punch in boxing' when thrown with proper form — short arc, full hip rotation, and a locked arm angle. [1] The hook evolved within the bare-knuckle boxing tradition but was refined after the adoption of gloves, which protected the hand during the lateral impact. [2] Historical accounts credit fighters like Tom Cribb (early 19th century) and later John L. Sullivan with popularising hooking techniques in the prize ring. [3] Haislet documented the hook as requiring a 90-degree arm angle and emphasised that power derives from hip rotation rather than arm swing. [4]

Effectiveness

The hook is a powerful curved punch that strikes from the side, targeting the jaw, temple, or body. [1],[2]

Lineage

The hook is one of the fundamental punches in boxing, alongside the jab, cross, and uppercut. [1]

Competition Record

The hook is one of the highest-KO-rate punches in boxing and MMA. [1]

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Biomechanical Mechanism

Primary ActionBallistic extension of the arm — kinetic chain transfers force from the ground through the hips to the fist
Joints InvolvedShoulder (flexion/rotation), elbow (rapid extension), wrist (stabilised on impact), hips (rotation)
Force VectorLinear (jab, cross) or circular (hook, overhand) depending on the punch type
Kinetic ChainGround reaction force → hip rotation → torso rotation → shoulder extension → fist impact — each link amplifies velocity

Position & Entry

From boxing stance (after jab-cross)Rotate the lead hip, swing the lead arm in a horizontal arc, elbow at 90°, target the jaw or body
As counter (check hook)Pivot on the lead foot as the opponent charges in, throw the hook while stepping off the centre line
From short rangeIn close range or clinch, shorten the arc and use hip rotation for a tight hook

Videos

How to Hook in Boxing | Step by Step Basic Guide

0
Hook·Frank's Noble Art

In this video I will show you how to throw a hook in boxing *FIND YOUR NEXT SET OF GLOVES HERE* *The Noble Art Crimso

3 Drills for the Lead Hook

0
Hook·Precision Striking

This document contains all playlists at each level of the membership: https://docs.google.com/document/d/1-IiC9KYudG6Tmy

2 videos

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Ratings

Danger Rating

Risk of injury to the person this technique is applied to

6
High6/10

Hooks/uppercuts; generate rotational force, high KO rate (Walilko et al. 2005)

Difficulty

Skill level needed to execute this technique reliably

Beginner
Competition Legality

Whether this technique is allowed under major competition rule sets

Restricted
Kyokushin — Body punches legal at full power, head punches banned {srcIKO Kyokushin Tournament Rules}
Legal
Unified MMA — Legal striking technique
Unified Rules of MMA, August 2025PDF
WBC/Boxing — Legal — punches are the core technique of boxing {srcWBC Rules of Boxing}
ITF — Legal — hand techniques to head and body both permi...
ITF Competition RulesPDF
WAKO — Legal in Full Contact and Low Kick formats
WAKO Competition RulesPDF
K-1/GLORY — Legal — full power punches to head and body {srcK-1/GLORY Kickboxing Rules}
IFMA — Legal
IFMA Muay Thai RulesPDF

Training Notes

The hook is boxing's primary knockout punch — it attacks the jaw from the side, the most vulnerable angle for concussion
Keep the elbow at approximately 90 degrees; too straight and it becomes a slap, too tight and it becomes a short push
Rotate the lead foot and hip simultaneously — the punch is driven by the body's rotation, not the arm
The fist can be held vertical (thumb up) or horizontal (palm down); vertical is tighter, horizontal generates more torque
Throw the hook at the end of a combination — after the jab-cross, the opponent's guard is typically displaced to the centre
The hook works to both the head and body using the same mechanics with a level change
Jack Dempsey described the hook as the most devastating punch in boxing when delivered with the full body behind it

Common Mistakes

!Arm-punching the hook with no hip rotation — this halves the power and makes it a pushing slap
!Winding up by pulling the elbow back first, which telegraphs the hook obviously
!Throwing the hook from too far away — it is a mid to close-range weapon and misses badly at distance
!Dropping the rear hand when throwing the lead hook, inviting the counter cross
!Looping the hook with a nearly straight arm, which extends the arc and slows the punch
!Leaning into the hook and letting the head follow the fist — the head should stay centred over the hips
!Throwing hooks to the head only and never attacking the body — the body hook is one of the most effective punches in boxing

Related Techniques

Counter Techniques

Setup Chain

1Setup with Straight Punchuse a jab or cross to occupy the opponent's guard
2Pivot the Lead Footrotate on the ball of the foot to generate hip torque
3Arc the Armswing the fist in a horizontal arc at the target angle
4Follow Throughdrive through the target and return to guard position

Sources & References

Primary Source

Muay Thai: The Art of Fighting (Yod Ruerngsa, Khun Kao Charuad & James Cartmell, 2002)

1BookBoxing (Dempsey, 1950)

Alias sources — [1] Karate-Do Kyohan (Funakoshi, 1935) [2] Boxe Française (Charlemont, 1899) [3] Championship Fighting (Dempsey, 1950)

2BookThe Boxing Register (Roberts & Skutt, 2006)

History sources — [1] Championship Fighting (Dempsey, 1950) [2] The Art of Boxing and Manual of Training (Price, 1867) [3] Boxing's Greatest Fighters (Sugar, 2006) [4] Boxing (Haislet, 1940)

3OtherJapanese Combat Sports Katakana Convention

Standard katakana transliteration of Western martial arts terminology (外来語) — used in Japanese MMA, boxing, and BJJ communities

4CitationBoxing (Dempsey, 1950)

Alias sources — [1] Karate-Do Kyohan (Funakoshi, 1935) [2] Boxe Française (Charlemont, 1899) [3] Championship Fighting (Dempsey, 1950)

5CitationThe Boxing Register (Roberts & Skutt, 2006)

History sources — [1] Championship Fighting (Dempsey, 1950) [2] The Art of Boxing and Manual of Training (Price, 1867) [3] Boxing's Greatest Fighters (Sugar, 2006) [4] Boxing (Haislet, 1940)

Community

Athletics

Requires

hip rotation, horizontal arm acceleration, tight elbow angle

Favours

compact build for short-range hooks, strong core

Key muscles

obliques, hip rotators, pectorals, biceps, forearms

Sub-techniques

Frequently Asked Questions

What's the most common mistake beginners make when throwing a hook?

According to Precision Striking, front-loading tension into the hook steals your power. Instead, you want to start slow and relax in the early stages, then accelerate into the shot at the end, allowing the initial turn to be a natural whip rather than forcing the movement.

How should I position my hands and chin when throwing a hook?

Frank's Noble Art emphasizes keeping your back hand up and taking your chin over to get it out of danger. You must also maintain a straight line down the arm, forearm, and wrist without bending the wrist, and deliver with the knuckle part of the glove while never exposing your thumb.

What should I focus on to generate power in a hook?

Frank's Noble Art stresses turning the body and shoulders to deliver the punch with full impact and meaning. Precision Striking adds that you should let the hand do the work rather than the shoulder, and drop the shoulder in the socket while keeping the hand at the same level for better leverage and connectivity.

How do I know when to throw a hook?

Frank's Noble Art advises that you should look your opponent in the eyes, know where they are, and suddenly decide to throw the hook when the opportunity presents itself—never telegraph the punch. Precision Striking also notes that a good lead hook must adapt to the situation and be thrown from all ranges since opponents never stand still.

How does the Hook work?

A short, powerful punch delivered in a horizontal or semi-circular arc with the elbow bent at approximately 90 degrees, targeting the head or body from the side.

Where does the Hook come from?

The hook punch is one of the fundamental power punches in boxing, delivered in a short arc targeting the chin, temple, or body. Dempsey described the hook as 'the most devastating punch in boxing' when thrown with proper form — short arc, full hip rotation, and a locked arm angle.

Is the Hook legal in competition?

Unified MMA: legal — Legal striking technique; WBC/Boxing: legal — Legal — punches are the core technique of boxing; WKF: legal — Legal, jodan/chudan punch scores 1 point (yuko) — controlled contact required; Kyokushin: restricted — Body punches legal at full power, head punches banned; WT: restricted — Punches to trunk only (1 point), punches to head banned; ITF: legal — Legal — hand techniques to head and body both permitted; WAKO: legal — Legal in Full Contact and Low Kick formats; K: legal — 1/GLORY — Legal — full power punches to head and body; IFMA: legal — Legal

How dangerous is the Hook?

Danger rating 6/10. High — hooks/uppercuts; generate rotational force, high KO rate (Walilko et al. 2005)

How do I set up the Hook?

The standard setup chain: Setup with Straight Punch → Pivot the Lead Foot → Arc the Arm → Follow Through.

How do I defend against the Hook?

Standard counters include: Slip — move the head off the centre line to evade the punch / Parry — deflect the incoming punch with a quick hand redirection / Counter Cross — time a straight punch over the incoming attack.

What are the variants of the Hook?

Common variants: Standard hook (horizontal-arc punch targeting the jaw or temple); Tight hook (compact, short-range hook for close-quarters fighting); Body hook (targeting the ribs or liver with a downward-angled hook); Check hook (pivoting on the lead foot while throwing the hook as a co…).

How effective is the Hook in competition?

The hook is one of the highest-KO-rate punches in boxing and MMA.

What are common mistakes when doing the Hook?

Top errors to watch for: Arm-punching the hook with no hip rotation — this halves the power and makes it a pushing slap / Winding up by pulling the elbow back first, which telegraphs the hook obviously / Throwing the hook from too far away — it is a mid to close-range weapon and misses badly at distance / Dropping the rear hand when throwing the lead hook, inviting the counter cross.

What are other names for the Hook?

The Hook is also known as Fukku, Kagi Tsuki, Croche, Hook Punch.