Dec 28 0 How to Stand Straight. Clip from Rotary of Upland Sept. ’18 Crooked Spine Show Posted by Admin This exercise improves your back and core muscles to put your weight on your heels. Then standing and sitting with good posture keeps your muscles strong and pain-free. Here is the steps to check and fix your posture: https://youtu.be/VIzJhCPnpyQ Full video and podcast link: https://youtu.be/AUjv0_Khz3Y ?