Medically reviewed by Jennifer Steinhoff, MD Key Takeaways The humerus is the only bone in the upper arm. It connects to the shoulder and elbow joint.The humerus works with muscles to raise and rotate ...

Bone spurs in the shoulders may develop as a result of degenerative joint conditions as well as injuries and general wear and tear. At first, a bone spur in the shoulder may not present any symptoms.

Our bones are actually an organ, and they make up about 12% of our body weight. Adults have 206 bones. Infants start with 270 ...

Hydroxyapatite (HA) is an inorganic mineral present in human bone and teeth. It plays a role in the structural strength of bone and in bone regeneration. While it occurs naturally in bone, healthcare ...