What is skeleton arm reference?

A skeleton arm reference is a visual guide that provides an anatomically accurate depiction of a human or animal arm bones. It typically includes the humerus, ulna, radius, carpals, metacarpals, and phalanges in their proper proportions and placement relative to one another. An arm reference can be useful for artists, medical professionals, and students to learn about the intricacies of skeletal structure and movements of arms. Additionally, a skeleton arm reference may include labels for the different bones and joints or highlight key anatomical features relevant to a particular application. Some references may also depict musculature or ligaments, providing a more comprehensive understanding of the arm's capabilities and limitations.