Civilis TV on Instagram: "The stiff arm is one of the most iconic and physical moves in the NFL. Used mainly by running backs and receivers, it involves extending an arm to fend off a defender while maintaining speed and balance. Legends like Derrick Henry, Marshawn Lynch, and Walter Payton have turned stiff arms into highlight-reel moments, often leaving defenders flat on the turf. More than just strength, a great stiff arm requires timing, leverage, and body control. When executed perfectly, i