[L-shaped leg raise] Training area: lower abdomen.
1. Lie down naturally and keep your torso straight, place your hands on the left and right sides of your body, and keep your feet together and straight.
2. Keep your body balanced when starting the movement, raise your legs in a consistent rhythm, bring your thighs to about 90 degrees with your body, and then return to the ready position. Perform 15 to 20 times and repeat 3 cycles.
