A Brief Introduction to the Upper Limb
The upper limb is the region of the skeleton that is known for its mobility and dexterity. It is the area of the skeleton that is able to grasp, strike and conduct fine motor skills. It is supported and stabilized by various muscles attached to the ribs and vertebrae. The upper limb consists of four major parts:
These areas can be sub-divided into various regions, which we will discuss later.
The shoulder is the proximal region of the the upper limb that attaches the trunk to the neck. It consists of 3 bones:
The arm is the longest and first segment of the upper limb. It extends from the shoulder to the level of the elbow. It consists of the humerus and has a posterior and anterior compartment.
The hand is unique because it is important in order for us to grasp things and detect pain and temperature due the the rich supply of sensory nerve endings. The along contains of 27 bones in our bodies. In the next sections we will talk about the bones of the upper limb.