Introduction: Deep-groove ball bearings are widely used in industrial applications due to their ability to support radial and axial loads simultaneously. However, prolonged operation under harsh ...

The rotator cuff consists of four muscles that surround your shoulder blade (scapula) and connect to your upper arm bone (humerus). Tendons hold these muscles to the bone and allow you to lift and ...

Medically reviewed by Jennifer Steinhoff, MD The humerus is your upper arm bone. It is the longest bone in the upper part of ...