Tight hip flexors, especially a deep muscle called the psoas, can silently stress your spine. Here's why this muscle deserves ...

Scientists went deep to discover the cause of low back pain in runners, exploring the role of deep core muscles in back ...

Poor posture is likely damaging your back, warns Dr. Arthur Jenkins, a spinal surgeon in New York. He explains how it happens ...

Weak abdominal muscles can result in poor core strength, which can cause lower back pain. The transversus abdominis (TA) is a deep abdominal muscle that helps stabilize the spine. The abdominal ...

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Cole Barash for The New York Times Surrounding the spine are the core muscles. Although we tend to think of our core as the abdominals, it also includes the deep back muscles, as well as the hip ...