What Are The Long Bones In The Body

A long bone is a bone that has greater length than width.

Normally the epiphyses are smooth and articular. Long bones are some of the longest bones in the body such as the femur humerus and tibia but are also some of the smallest including the metacarpals metatarsals and phalanges. The bones typically consist of a long shaft called the diaphysis and two wider extremities on the ends called epiphyses. The surface of long bones is covered by the periosteum a membrane connecting the processes responsible for bone growth and callus formation in fractures.

A large number of the bones in these places are long bones. Long bones are one of the five bone types that are classified by shape. The long bones of the arm include. The metacarpals or the bones of the palm not the wrist the phalanges or the bones that make up.

The radius corresponds to the tibia and the ulna to the fibula. The long bone category includes the femora tibiae and fibulae of the legs. The shaft has a central medullary cavity where lies the bone marrow. In the lower leg are the tibia the shinbone and the fibula.

RELATED ARTICLE :

• what shoes did michael jordan wear in space jam
• what shade of blonde is right for me quiz
• what score do you need to pass the asvab

The long bones of the human leg comprise nearly half of adult height. Long bones typically have an elongated shaft and two expanded ends one on either side of the shaft. Long bones have a thick outside layer of compact bone and an inner medullary cavity containing bone marrow. The femur tibia and fibula are considered long bones in the lower limbs and the humerus bone ulna bone and radius bone are considered long bones in the upper limbs.

The ends of a long bone contain spongy bone and an epiphyseal line. The shaft is known as diaphysis and the ends are called epiphyses. The forearm and the lower leg have two long bones each. Long bones are designed to provide maximum efficiency for muscle functions such as lifting and rapid movement by serving as levers in the limbs.

Long bones include the humerus upper arm radius forearm ulna forearm femur thigh fibula thin bone of the lower leg tibia shin bone phalanges digital bones in the hands and feet metacarpals long bones within the hand and metatarsals long bones within the feet. In the forearm are the radius on the thumb side of the forearm and the ulna. The humeri radii and ulnae of the arms.