Many people have heard the term shoulder instability but have wondered what that means. So, what is shoulder instability? Many structures are responsible for stabilizing your shoulders. This includes ...

Americans are overweight and out of shape. We all have read or heard the statistics a bajillion times. While the scope of the problem is evident, the causes are not. Conventional thinking, born out of ...

Part I. Origins -- Developmental perspectives on phenotypic variation, canalization, and fluctuating asymmetry / H.F. Nijhout, G. Davidowitz -- Developmental perspective on developmental instability: ...

Your hip is a deep ball-and-socket joint where your thigh bone fits securely into your pelvis. When you have hip instability, your thigh bone may feel like it doesn’t fit into the hip socket securely.