When to Use
Use when you anticipate an uppercut or when fighting at close range where uppercuts are the primary threat. The cross block covers the chin from below where the standard high guard leaves its most dangerous gap. Critical for inside fighting defense, especially against shorter opponents who favor the uppercut as their primary weapon at close quarters.
Execution Steps
- As you read the opponent loading an uppercut at close range, bring both forearms together in front of your chin, crossing them at the wrist to form an X-shaped shield with the bony edges of the ulna facing downward.
- Press the crossed forearms tightly together so there is no gap between them — the forearms should create a solid horizontal shelf at chin level that deflects upward force to the sides.
- Tuck your chin firmly behind the crossed forearms and brace your core, absorbing the uppercut's force through the skeletal structure of both forearms rather than muscular resistance alone.
- Absorb the uppercut on the forearms and let the impact dissipate through your braced frame — do not push forward into the uppercut, simply hold the structure and let the punch spend itself.
- Immediately separate the forearms and transition into a counter hook, cross, or clinch — the cross block is a temporary fortress, not a resting position, and holding it too long invites hooks around the sides.
Coaching Cues
"Cross the forearms tight at chin level."
"No gaps — seal it shut."
"Block then counter immediately — don't hold."
"Chin behind the X."
Pro Tips
- The cross block is the only reliable defense against uppercuts at close range where slipping and pulling back are not viable options — train it until the arm crossing motion is automatic on any upward stimulus.
- Transition immediately from the cross block into either a tight hook or a clinch — the separation of the forearms naturally opens into hooking position with both arms already loaded.
- Practice the block-to-counter transition as one fluid motion: cross-block absorb, separate, hook — until the entire sequence takes less than half a second and feels like a single action.
- In southpaw vs orthodox matchups, the cross block is especially critical because the lead uppercut from the opposite stance arrives from an unfamiliar angle that is difficult to read.
Conditioning Drills
- Partner Uppercut Block Drill: Partner throws controlled uppercuts at progressively increasing power while you cross block and counter with a hook — 4 sets of 20 reps with technique focus.
- Isometric Forearm Press: Press crossed forearms together as hard as possible for 30 seconds, rest 15 seconds, repeat for 4 sets to build the isometric bracing strength for absorbing uppercut impact.
- Inside Fighting Sparring Rounds: Designate 3 sparring rounds exclusively for inside fighting where both fighters work from clinch range — forces you to use the cross block under realistic pressure.
Gym Workout: Guard Endurance & Shell
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Q1 of 3
Which muscle group is primarily engaged when performing the Forearm Block (Cross Block)?