Standard Ground Knee Strike

Genus

グラウンドニーストライク(基本型)(Guraundo Nī Sutoraiku (Kihon-gata))

Transliteration

Translation: standard ground knee strike

Overview

The fundamental ground knee strike delivered from side control or mount, driving the knee into the opponent's midsection or thigh using hip pressure and body weight.

Also known as
Standard Grounded Knee[1]Standard Ground Knee Strike[2]Kneeling Knee Strike[3]

History & Origin

The standard ground knee strike is the basic execution of a knee delivered from a top position to a downed opponent's body or head (where legal). [1] This technique gained particular prominence in PRIDE Fighting Championships, where fighters like Mauricio 'Shogun' Rua used ground knees from side control and half-guard to devastating effect in bouts against Quinton Jackson (PRIDE Total Elimination 2005) and others. [2] The technique's inclusion or exclusion from rulesets has been one of the most debated topics in MMA regulation since the unified rules were first adopted in 2001. [1]

Effectiveness

A standard ground knee technique. [1]

Lineage

From MMA. [1]

Competition Record

Used in MMA. [1]

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Biomechanical Mechanism

Primary ActionDriving the knee upward or diagonally into the target using hip flexion and body weight
Joints InvolvedHip (powerful flexion drive), knee (point of impact, flexed), core (posture and power transfer)
Force VectorUpward (straight knee to body/head), diagonal (round knee from the side), or clinch-pull driven
Clinch IntegrationMost effective when combined with clinch control — pulling the opponent's head down into the rising knee multiplies impact force

Position & Entry

From Muay Thai clinchSecure the plum (double collar tie), pull the opponent's head down, drive the knee up into the body or head
From clinch (collar-and-bicep)Control one side, pull the opponent into the rising knee
As counter (opponent shoots)When the opponent level changes for a takedown, drive the knee up into their face or chest

Variants

Straight kneedriving the knee straight upward into the body or head
Curved knee (round knee)swinging the knee from the side in a circular path
Flying kneeleaping forward and driving the knee at the apex of the jump
Clinch kneepulling the opponent into the knee from Muay Thai plum position

Videos

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Ratings

Danger Rating

Risk of injury to the person this technique is applied to

6
High6/10

Knees from ground positions; legal in MMA ground-and-pound

Difficulty

Skill level needed to execute this technique reliably

Intermediate
Competition Legality

Whether this technique is allowed under major competition rule sets

Illegal
WBC/Boxing — All knee strikes prohibited {srcWBC Rules of Boxing}
WKF — Prohibited in sport karate
WKF Competition Rules 2024PDF
WT — Prohibited
WT Competition Rules 2024PDF
ITF — Prohibited
ITF Competition RulesPDF
WAKO — Prohibited in most formats
WAKO Competition RulesPDF
Restricted
Unified MMA — Knees to standing opponent legal, knees to ...
Unified Rules of MMA, August 2025PDF
K-1/GLORY — One clinch knee allowed before referee break {srcK-1/GLORY Kickboxing Rules}
Legal
Kyokushin — Legal to body {srcIKO Kyokushin Tournament Rules}
IFMA — Legal — knees are a core Muay Thai weapon, clinch ...
IFMA Muay Thai RulesPDF

Training Notes

From side control, pin the opponent's far arm with your hand and drive the near knee into their ribs or solar plexus
From mount, post one hand on the mat for base and drive the knee into the opponent's midsection
The ground knee uses downward hip drive combined with bodyweight — short, sharp, and controlled
Switch between left and right knees to attack different sides of the body
Use the ground knee to soften the opponent before attempting a submission
Ground knees also serve as a pace-control tool — they keep the bottom fighter defensive and prevent them from working
Maintain your base throughout — losing top position for a knee strike is never worth it

Common Mistakes

!Over-committing to the knee and rolling off the opponent or losing mount
!Not stabilising with the hands before driving the knee — you need a base to deliver force downward
!Kneeing too softly, which does not create any reaction and gives the opponent time to escape
!Targeting protected areas like the opponent's curled arms or elbows
!Ignoring positional advancement while focusing on ground knees — the knees should serve your grappling game
!Creating too much space between your body and the opponent to chamber the knee
!Not varying between knees, punches, and elbows from top position — use all tools available

Related Techniques

Counter Techniques

Setup Chain

1Clinch or Frameestablish control of the opponent's head or body
2Pull Opponent Inuse the grip to close distance and compromise their posture
3Drive the Kneethrust the knee upward into the target

Sources & References

Primary Source

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

1BookMuay Thai: The Art of Fighting (Kraitus, 2002)

Alias sources — [1] Unified Rules of MMA (ABC, 2001) [2] MMA Instruction Manual (Shamrock, 2003) [3] Muay Thai Unleashed (Delp, 2006)

2BookMuay Thai Unleashed (Delp, 2006)

History sources — [1] Ultimate MMA Conditioning (Jamieson, 2009) [2] PRIDE Fighting Championships Official Rules (Dream Stage Entertainment, 2000)

3OtherJapanese Combat Sports Katakana Convention

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

4CitationMuay Thai: The Art of Fighting (Kraitus, 2002)

Alias sources — [1] Unified Rules of MMA (ABC, 2001) [2] MMA Instruction Manual (Shamrock, 2003) [3] Muay Thai Unleashed (Delp, 2006)

5CitationMuay Thai Unleashed (Delp, 2006)

History sources — [1] Ultimate MMA Conditioning (Jamieson, 2009) [2] PRIDE Fighting Championships Official Rules (Dream Stage Entertainment, 2000)

Community

Athletics

Requires

hip flexion power, clinch control ability, close-range comfort

Favours

long thigh for greater leverage, strong hip flexors

Key muscles

hip flexors, quadriceps, core, grip (for clinch)

Frequently Asked Questions

What part of the knee should I strike with?

You want to hit with the spear—the tip of the knee, the bony part. This ensures maximum effectiveness of the strike.

How should my feet be positioned when I throw a rear knee strike?

Step to open up your hips with your lead leg on the ball of your foot, turn out slightly to open the hips, and stay on the ball of your foot throughout. When you land, keep your heel off the ground so you can immediately follow up with another strike.

At what angle should I throw the knee?

You want to fire the knee at a 45-degree angle, not straight ahead. Fire through with your hips rather than throwing upward.

How can I use the ground knee strike in combination with other techniques?

Knees work synergistically with everything—you can use them off strikes like jabs and crosses, when defending against takedowns after a sprawl, or by pulling an opponent's head into the knee. They should be mixed into combinations of 2-4 strikes, alternating between left and right sides.

How does the Standard Ground Knee Strike work?

The fundamental ground knee strike delivered from side control or mount, driving the knee into the opponent's midsection or thigh using hip pressure and body weight.

Where does the Standard Ground Knee Strike come from?

The standard ground knee strike is the basic execution of a knee delivered from a top position to a downed opponent's body or head (where legal). This technique gained particular prominence in PRIDE Fighting Championships, where fighters like Mauricio 'Shogun' Rua used ground knees from side control and half-guard to devastating effect in bouts against Quinton Jackson (PRIDE Total Elimination 2005) and others.

Is the Standard Ground Knee Strike legal in competition?

Unified MMA: restricted — Knees to standing opponent legal, knees to head of grounded opponent banned; WBC/Boxing: banned — All knee strikes prohibited; WKF: banned — Prohibited in sport karate; Kyokushin: legal — Legal to body; WT: banned — Prohibited; ITF: banned — Prohibited; WAKO: banned — Prohibited in most formats; K: restricted — 1/GLORY — One clinch knee allowed before referee break; IFMA: legal — Legal — knees are a core Muay Thai weapon, clinch knees highly scored

How dangerous is the Standard Ground Knee Strike?

Danger rating 6/10. High — knees from ground positions; legal in MMA ground-and-pound

How do I set up the Standard Ground Knee Strike?

The standard setup chain: Clinch or Frame → Pull Opponent In → Drive the Knee.

How do I defend against the Standard Ground Knee Strike?

Standard counters include: Hip Check — push the opponent's hips away to create distance and kill the knee angle / Clinch Control — control the opponent's head and posture to prevent knee generation / Step Back — create distance to escape the knee's effective range.

What are the variants of the Standard Ground Knee Strike?

Common variants: Straight knee (driving the knee straight upward into the body or head); Curved knee (round knee) (swinging the knee from the side in a circular path); Flying knee (leaping forward and driving the knee at the apex of the jump); Clinch knee (pulling the opponent into the knee from Muay Thai plum po…).

How effective is the Standard Ground Knee Strike in competition?

Used in MMA.

What are common mistakes when doing the Standard Ground Knee Strike?

Top errors to watch for: Over-committing to the knee and rolling off the opponent or losing mount / Not stabilising with the hands before driving the knee — you need a base to deliver force downward / Kneeing too softly, which does not create any reaction and gives the opponent time to escape / Targeting protected areas like the opponent's curled arms or elbows.

What are other names for the Standard Ground Knee Strike?

The Standard Ground Knee Strike is also known as Guraundo Nī Sutoraiku (Kihon-gata), Standard Grounded Knee, Standard Ground Knee Strike, Kneeling Knee Strike.