The ulna is a long bone in the forearm, extending from elbow to wrist. It runs parallel to the radius, on the same side as little finger. The ulna is broader near elbow and narrows towards wrist
The humerus is a long bone that extends from the shoulder to the elbow. It consists of three distinct sections: head, neck, and lower extremity. The head is spherical and articulates with the scapula at the shoulder. The body is cylindrical in the upper portion and prismatic in the lower part
Common fractures affecting 4-6% of all fractures, especially in elderly patients. Two-part surgical neck fractures are most common. Average neck-shaft angle is 135 degrees. Blood supply primarily from anterior humeral circumflex artery
Zygomatic bones are cheekbones located below and above each eye. Fetal zygomatic bones are cartilage, becoming bone after birth. Bone is rectangular with thick front portion for facial jointing. Contains zygomaticofacial foramen for vein and artery passage
The tibia is the main long bone of the lower leg, measuring approximately 14 inches in length. It is situated between the knee and the ankle, with the fibula located on the outer side. The bone is composed of compact bone throughout its length and spongy bone at its ends. It serves as a primary support for weight-bearing and facilitates movement
The occipital bone is a flat, trapezoid-shaped bone located at the lower back of the skull. It protects the brain and supports neck muscles. Forms the atlantooccipital joint with the first vertebra for head movement. Connects to the cervical spine and affects body movements and balance