Plank (flat support) can effectively exercise transverse abdominal muscles and is a good way to exercise core strength.
Action process:
Bend your elbows to support your body, straighten your trunk, and keep your head, shoulders, hips and ankles in the same plane for 40 seconds. Complete 4 groups and rest every 15 seconds 1 minute.
Key points:
Be sure to keep elbows and shoulders at right angles to your body.
Action: [1] This action mainly shapes the lines of waist, abdomen and buttocks. More importantly, it can help keep the balance of the shoulder blades and make your back lines more attractive.