theme645
The ulna locks tightly into the humerus. It only allows for bending (flexion) and straightening (extension).
The radius and ulna run parallel to one another.
For those looking for the full experience, the official hardcover or authorized digital versions of Anatomy for Sculptors are recommended, as they provide high-resolution images that are crucial for seeing the subtle transitions in muscle tone and bone structure.
The guide explains the complex interaction of the clavicle, scapula, and humerus, emphasizing how the shoulder shrugs, rotates, and lifts.
The palm faces forward or upward. The radius and ulna run parallel to each other.