Why you shouldn’t lock out the jab..
Risk of hyperextension: Fully locking the elbow puts stress on the joint, tendons, and ligaments. Over time (or even once), that’s how boxers get elbow pain or injury.
Slower recovery: A locked arm takes longer to retract. A good jab snaps back fast.
Loss of control: If your jab is parried or slips past the target, a locked elbow can pull you off balance.
What you want instead...
Extension without lockout: Extend the arm to about 95–98%, keeping a slight bend in the elbow.
Snap, don’t push: The jab should be fast and sharp, not forced or shoved.
Relaxed shoulder: Tension causes overextension. Stay loose.
Full retraction: Punch out, punch back immediately hand returns home.
Power comes from alignment, not lockout
Power in the jab comes from:
Proper stance
Hip and shoulder rotation
Weight transfer
Timing
Locking the arm adds no real power, only risk.
Teaching cue (this is gold for coaching)..
“Extend the punch, don’t finish the joint.”
Or another good one:
“Touch with speed, return with intention.”
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Ross Reyes
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Why you shouldn’t lock out the jab..
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