If you want a "snatched" waist, as Sabat puts it, you need to incorporate Russian twists into your routine.
"Russian Twists work the oblique muscles, which are crucial for achieving a well-defined waistline," she says. She gave us detailed instructions on how to perform them
Leg raises are an excellent core workout that may help you tone your lower abs and inner thighs in addition to the more well-known planks, crunches, and sit-ups.
If you want to strengthen your core, "Leg raises primarily target the lower abdominal muscles and help improve overall core strength," as Sabat explains it.
To strengthen your lower abs, try doing some hanging knee lifts. To get you closer to your ideal figure
Sabat says this exercise will also target your upper abs and hip flexors.