Step by step instructions, muscle activation and variants for the Straight Leg Reverse Crunch.
A reverse crunch performed with the legs kept straight: lying on the floor, you raise the straight legs to vertical and curl the pelvis up off the floor, targeting the lower portion of the abs. Keeping the knees extended lengthens the lever and makes the movement considerably harder than the bent-knee version.
Common mistakes content is coming soon.
The Straight Leg Reverse 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.