Floor-based knee raises that fire up the lower abs.
Roll your hips up at the top. Don't just rock your thighs back and forth.
The Lying Knee Raise isolates the Core — no passengers. That makes it a clean tool for adding targeted core volume without extra fatigue.
The Lying Knee Raise primarily works the Core.
Shorten the range or use an easier variation, and stop 1 to 2 reps before failure. Reps build fast when you train just shy of your limit.
For most lifters 3 to 4 working sets. Pick the rep range that fits your goal and progress the load when the top of the range feels owned.
