After doing leg, arm and neck & back stretches, today we’ll present 21 illustrations of chest, shoulders and abs stretching exercises, showing you exactly which muscle you are exercising. By demonstra (Psoas Trigger Points Lower Backs)
The psoas major and the rectus abdominis muscles have an important relationship inside the body even though they don’t literally work together. Muscles relate to each other in many different ways. Sometimes they work in opposition—for .