Cross

SubFamily

クロス(Kurosu)

Transliteration

Translation: cross

Overview

A powerful straight punch thrown with the rear hand, rotating the hips and shoulders fully to generate maximum force along a direct line to the target.

Also known as
Rear Straight[1]Gyaku TsukiJP[2]Right CrossBoxing[3]

History & Origin

The cross is the straight rear-hand power punch, one of the four fundamental punches in boxing. [1] The term 'cross' derives from the punch crossing over the opponent's lead hand, a concept documented in early boxing manuals. [2] The cross developed as gloved boxing matured under the Queensberry Rules, with bare-knuckle fighters having previously favoured hooks and looping punches to protect their hands. [2] Dempsey described the cross as the primary 'power line' punch, where the body's kinetic chain aligns to deliver maximum force along a straight trajectory from the rear hand. [1] Bob Fitzsimmons (1863-1917) is credited with pioneering the use of full body rotation to power the rear straight hand. [3]

Effectiveness

The cross is a powerful straight punch from the rear hand, using full body rotation for maximum force. [1],[2]

Lineage

The cross (also called the straight right for orthodox fighters) is one of the four fundamental boxing punches. [1]

Competition Record

The cross is one of the highest-power punches in boxing and a primary knockout tool. [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 orthodox stance (after jab)Rotate the rear hip forward, extend the rear hand straight to the target, pivot the rear foot
As counter (pull counter)Lean back to avoid the incoming jab, fire the cross as the opponent's jab retracts
From clinch breakPush off from the clinch, create space, and fire the straight right as the opponent resets

Videos

The 1 2, Jab and Cross Knockouts

0
Cross·Jack O'Connell

A collection of some sweet 1-2, jab cross knockouts and knock downs in boxing. The 1-2 is the original boxing combinati

1 video

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Ratings

Danger Rating

Risk of injury to the person this technique is applied to

5
High5/10

Jab/cross; fundamental striking tool, cumulative brain trauma risk

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

Drive the cross from the rear hip — rotate the rear foot, hip, and shoulder as a single unit
The lead hand drops slightly to the chest as the cross extends, providing a guard against hooks
Aim to land with the first two knuckles while the fist is fully pronated (palm down)
Use the cross behind a jab or feint — a naked cross from distance is easy to time and counter
Keep the chin tucked behind the rear shoulder during delivery for maximum protection
On the heavy bag, practise driving through the target rather than slapping the surface
The cross returns along the same line it travelled — pull it back, do not loop it down

Common Mistakes

!Squaring the shoulders to generate more power, which removes your bladed stance and exposes the chin
!Pushing the punch rather than rotating into it — the fist should accelerate to the target, not coast
!Lifting the rear heel too early, which disconnects the kinetic chain from the floor
!Not returning to guard after the cross, leaving the lead side of the face open to hooks
!Winding up by pulling the rear hand back before punching — a clear telegraph
!Leaning forward past the lead knee, which puts bodyweight ahead of the base and invites counters
!Crossing over the centre line with the fist, which reduces accuracy and weakens the structure

Related Techniques

Counter Techniques

Setup Chain

1Fighting Stancebegin from a balanced stance with hands protecting the chin
2Weight Transfershift weight from rear to lead foot (jab) or rotate hips (cross)
3Extenddrive the fist straight toward the target along the centre line
4Snap Backretract the hand quickly to defensive position

Sources & References

Primary Source

Karate-Do Kyohan: The Master Text (Gichin Funakoshi, 1935)

1BookBoxing (Dempsey, 1950)

Alias sources — [1] Championship Fighting (Dempsey, 1950) [2] Karate-Do Kyohan (Funakoshi, 1935) [3] Boxing (Fleischer, 1958)

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)

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] Championship Fighting (Dempsey, 1950) [2] Karate-Do Kyohan (Funakoshi, 1935) [3] Boxing (Fleischer, 1958)

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)

Community

Athletics

Requires

hip rotation power, rear foot pivot, full kinetic chain coordination

Favours

reach advantage, strong hips for power transfer

Key muscles

glutes, obliques, pectorals, triceps, deltoids

Sub-techniques

Frequently Asked Questions

How does the Cross work?

A powerful straight punch thrown with the rear hand, rotating the hips and shoulders fully to generate maximum force along a direct line to the target.

Where does the Cross come from?

The cross is the straight rear-hand power punch, one of the four fundamental punches in boxing. The term 'cross' derives from the punch crossing over the opponent's lead hand, a concept documented in early boxing manuals.

Is the Cross 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 Cross?

Danger rating 5/10. High — jab/cross; fundamental striking tool, cumulative brain trauma risk

How do I set up the Cross?

The standard setup chain: Fighting Stance → Weight Transfer → Extend → Snap Back.

How do I defend against the Cross?

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 Cross?

Common variants: Standard cross (rear-hand straight punch with full hip rotation); Counter cross (pull counter) (leaning back to avoid the jab, firing the cross as a counter); Step-in cross (stepping forward with the punch for added reach and power); Body cross (targeting the solar plexus or liver with the straight rea…).

How effective is the Cross in competition?

The cross is one of the highest-power punches in boxing and a primary knockout tool.

What are common mistakes when doing the Cross?

Top errors to watch for: Squaring the shoulders to generate more power, which removes your bladed stance and exposes the chin / Pushing the punch rather than rotating into it — the fist should accelerate to the target, not coast / Lifting the rear heel too early, which disconnects the kinetic chain from the floor / Not returning to guard after the cross, leaving the lead side of the face open to hooks.

What are other names for the Cross?

The Cross is also known as Kurosu, Rear Straight, Gyaku Tsuki, Right Cross.