Mind-body coach Dana Santas shows how you can create strength gains without gym equipment by progressing body-weight exercises safely and effectively.

The old advice to “sit up straight” and “pull your shoulders back” can also cause a cascade of unwanted problems.

Medically reviewed by Reza Samad, MD Key Takeaways Rib cage pain can be caused by an injury, inflammation, or autoimmune condition.Rib fractures or bruises from injury can cause intense pain, and ...