If you’ve ever had that nagging ache in your lower back that just won’t budge—especially on one side—there’s a good chance a small but mighty muscle called the quadratus lumborum (QL) is involved. It ...

If you practice yoga, run, hike, ski, cycle, surf, swim, or just want to feel more stable as you go about your everyday life, you need to be aware of an easily overlooked pair of muscles that plays a ...

Add Yahoo as a preferred source to see more of our stories on Google. A muscle spasm, also known as a cramp, twitch or charley horse, is the sudden and involuntary forced contraction of a muscle.

Oluseun Olufade, MD, is an Orthopedic Surgeon and Assistant Professor of Orthopedics at the Emory School of Medicine. Rest and changes in activity can help treat back spasms that cause lower back pain ...

Adjei, MD Key Takeaways Causes of back spasms range from poor posture or minor muscle strains to underlying health conditions ...

Muscle cramps are a common issue that many people get from time to time. If one of your muscles feels like it’s contracting (getting tight) for no reason — and you can’t get it to relax — that’s a ...

Most runners are familiar with the big muscles involved in running, like quads, hamstrings, and glutes. But there are lesser-known, yet still important players that can influence run performance. One ...