Ian W

Overview of Biceps Anatomy The biceps brachii — commonly referred to as the “biceps” — is a large, thick, fusiform muscle on the ventral (anterior) surface of the upper arm.[1] It consists of two proximal heads: the short head (caput breve) and the long head (caput longum).[1] The short head originates at the coracoid process … Read more

Overview of Arm Anatomy The upper extremity, or arm, is a vital part of the human body that enables us to lift, hold, and move objects.[1] The human arm anatomy consists of three main parts: the upper arm, forearm, and hand. It stretches from the shoulder to the fingers and includes 30 bones in the … Read more

Overview of Nail Anatomy Nails are flat, protective structures found at the tips of the fingers and toes and are a defining feature of most primates. [2] They are composed of keratin — a tough, flexible protein that also constitutes hair and the outer skin layer, which enables nails to grow continuously and withstand daily … Read more