What Is the Trapezius Muscle? Trapezius muscles are large, paired, triangular muscles in the back of your neck and upper back. They extend down your back, but they’re mostly involved in the movements ...

Muscle testing is also known as applied kinesiology (AK) or manual muscle testing (MMT). It is an alternative medicine practice that claims to effectively diagnose structural, muscular, chemical, and ...

The trapezius, trapezoid, or traps muscle is a muscle in the upper back. It stabilizes the shoulders and enables the neck to move. Certain stretches can help ease pain and keep movement flexible. The ...

A trapezius strain is a muscle or tendon injury that limits movement and strength in the arms. It occurs when the fibers are stretched beyond their typical limit. In severe cases, it can lead to a ...

Experts share the best trap exercises to look cut, prevent injuries in and out of the gym, and improve your posture.

Ask someone in the gym to point to their trapezius muscles, and they’ll probably gesture toward the small mounds nestled between their neck and shoulders—but that’s really just the tip of the iceberg.