Tag: Infraspinatus

The shoulder is the most mobile joint in the body, relying heavily on a group of muscles called the rotator cuff for stability. To understand how to best protect this complex joint, it's essential to know **what muscles help with external rotation of the shoulder** and why they are so important. This guide will detail the key players and provide strategies for strengthening them effectively.

Accounting for the widest range of motion of any joint in the body, the shoulder's complexity relies heavily on a small, but critical, group of muscles. Understanding **what are the 4 muscles in the shoulder** is the key to maintaining joint stability and preventing common injuries that impact mobility and daily function.