The shaft of a long bone is called the diaphysis. The narrow shaft transitions into regions called metaphyses, which terminate in broad, substantial areas of bone called epiphyses. These epiphyses form joints with other bones.Know More
The shaft is made up of compact bone that is covered with a strong membrane called the periosteum. Down the center of the shaft is a hollow that contains bone marrow.
Long bones facilitate skeletal mobility and include the femur, fibula, tibia, ulna, radius and humerus. The phalanges and clavicles are also classified as long bones, even though they are smaller in comparison to the limbs.Learn more about Bones
Bone is made mostly of collagen and calcium. This combination works to make the bones strong and flexible at the same time, enabling them to be protective and rebound from stress fractures.Full Answer >
The funny bone's name derives from the funny feeling that occurs when the ulnar nerve is hit. This nerve runs from the ring and pinkie fingers to the elbow. The ulnar nerve communicates with the brain about what the fourth and fifth fingers are experiencing.Full Answer >
The best way to perform jumps for bone density is to alternate jumps with 30-second rest breaks. No plyometric boxes or benches are necessary; jumping up and down on the floor is adequate, provided that the person jumps as high as she can each time.Full Answer >
Cortical bone is a dense and rigid layer of calcium-rich osseous tissue that makes up the outer layer of a bone, explains InnerBody. This compact bone layer is cylindrical in shape with a honeycombed structure, providing thousands of tiny canal-like passageways for nerves and blood vessels.Full Answer >