Step by step instructions, muscle activation and variants for the Dumbbell Straight Arm Crunch.
An abdominal exercise performed lying on the floor where you hold a dumbbell with both hands and extend your arms straight overhead, then crunch upward without bending the elbows. The straight-arm position lengthens the resistance lever, making it more demanding than a standard crunch.
Common mistakes content is coming soon.
The Dumbbell Straight Arm Crunch is a foundational movement that builds strength and muscle through controlled, progressive overload. Train it 1 to 2 times per week with 3 to 5 working sets per session, gradually adding weight or reps as form holds up.