Supine double leg lift

It is an excellent exercise to train your core. However, it is perfect for training lower abs.

Step 1 – Let straight on the back.
Step 2 – Lift both of your legs to about 90 degrees
Step 3 – Return to the initial position

• Repeat 16-20 times
• 3 sets in a row
• Once-daily
• 5 days a week