アンダーフック横四方(Andāfukku Yoko-shiho)
HybridTranslation: underhook side control
The Underhook Side Control uses an underhook on the far arm as the primary upper body control, with the other arm controlling the head or near hip. [1] The underhook provides strong control of the bottom fighter's upper body while leaving the head relatively free, which creates different tactical dynamics than crossface side control. [1],[2] The underhook side control is particularly effective for transitioning to mount, as the underhook facilitates stepping over to mount position. [2],[3]
Underhook side control uses an underhook on the far arm to prevent the opponent from turning in and create submission opportunities. [1]
Underhook control in side control combines wrestling underhook principles with BJJ positional control. [1]
Underhook side control is used in BJJ and MMA competition. [1]
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Risk of injury to the person this technique is applied to
Top positions enable pressure and striking; rib compression risk under heavy pressure
Skill level needed to execute this technique reliably
Whether this technique is allowed under major competition rule sets
Mastering Jujitsu (Renzo Gracie & John Danaher, 2003)
Alias sources — [1] Jiu-Jitsu University (Ribeiro, 2008) [2] Mastering Jujitsu (Gracie & Danaher, 2003) [3] UWW Wrestling Rules
Effectiveness sources — [1] Jiu-Jitsu University (Ribeiro, 2008)
Mixed Japanese-Western terminology — combines traditional Japanese terms with katakana loanwords
Alias sources — [1] Jiu-Jitsu University (Ribeiro, 2008) [2] Mastering Jujitsu (Gracie & Danaher, 2003) [3] UWW Wrestling Rules
Effectiveness sources — [1] Jiu-Jitsu University (Ribeiro, 2008)
base stability, heavy hips, ride ability
heavier build with strong hips for pressure
hip adductors, core, glutes, quadriceps
Near Side and Far Side Underhooks have specific uses and properties that differ based on positioning. Near Side and Far Side distinctions don't apply when facing your opponent straight on (like in Mount or Butterfly Guard), but become important in angled positions like side control where the sides of your opponent's torso are at different distances.
The Near Side Underhook is excellent for pinning from top position during passing, as it does a much better job of pinning the top player compared to the cross face. It functions similarly to Kessa Gautami by preventing your opponent from taking your back and pinning their shoulders to the mat.
When your opponent secures an Underhook from bottom position, the key is to prevent them from pinning your shoulders—that's their main objective. Don't focus on stopping all Underhooks; instead, prevent them from accomplishing what they're trying to do, which is shoulder pinning control.
The Underhook Side Control uses an underhook on the far arm as the primary upper body control, with the other arm controlling the head or near hip. The underhook provides strong control of the bottom fighter's upper body while leaving the head relatively free, which creates different tactical dynamics than crossface side control.
The underhook side control developed as an alternative side control configuration to the crossface, valued for its transitional versatility and mount-access options. It is a standard side control variation taught in BJJ.
IBJJF: legal — Legal, mount scores 4 points — highest-scoring position; IJF: legal — Legal, osaekomi (pin) — 10-19 seconds scores waza-ari, 20 seconds scores ippon; ADCC: legal — Legal, mount scores 2 points; Unified MMA: legal — Legal dominant position; UWW: legal — Legal, back exposure scores points, pin ends match by fall; FIAS Sport Sambo: legal — Legal, pin scores points
Danger rating 3/10. Moderate — top positions enable pressure and striking; rib compression risk under heavy pressure
The standard setup chain: Pass the Guard → Settle Weight → Control Arms → Threaten Submissions.
Standard counters include: Bridge (Upa) — explosive hip elevation to off-balance the top player / Elbow-Knee Escape (Shrimp) — create space by driving elbow to knee and hip-escaping / Frame — establish forearm frames to prevent the top player from settling weight.
Common variants: Low mount (hips heavy on the opponent's belly, grapevines in for sta…); High mount (knees under the armpits, arms isolated for submissions); S-mount (one knee high under the armpit, other leg across for arm …); Technical mount (one leg hooked, one knee posted, modified for back-take t…).
Underhook side control is used in BJJ and MMA competition.
Top errors to watch for: Getting a shallow underhook — the hand must reach deep to the far shoulder or lat for control / Using the underhook without combining it with the crossface — both controls together create maximum restriction / Not using the underhook to advance — the underhook is a transitional tool; use it to get to mount or the back / Allowing the opponent to extract their arm from the underhook — maintain the clamp aggressively.
The Underhook Side Control is also known as Andāfukku Yoko-shiho, Underhook Side Mount, Far Underhook Side Control, Underhook Pin.
