I'm experiencing pain in what it feels like my breast bone (upper middle chest) every time I'm lying down on my side or exercising. Is this normal? - Quora
![Human Chest Bone Sternum or Breastbone Stock Illustration - Illustration of sternum, body: 216854279 Human Chest Bone Sternum or Breastbone Stock Illustration - Illustration of sternum, body: 216854279](https://thumbs.dreamstime.com/z/sternum-breastbone-long-flat-bone-located-central-part-chest-connects-to-ribs-via-cartilage-forms-front-216854279.jpg)
Human Chest Bone Sternum or Breastbone Stock Illustration - Illustration of sternum, body: 216854279
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