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Skeletal System

The skeletal system provides definite shape and mechanical support to the body, and it also helps in movement and locomotion. Ask questions about the skeletal system and bones here.

14,490 Questions

Functionally what type of joint are the elbow and knee joints?

The elbow and knee joints are hinge joints, allowing movement in a single plane (flexion and extension). This design enables the joints to bend and straighten, facilitating basic movements like bending and straightening the arm or leg.

Where is the largest bone in your body located?

In human anatomy, the femur is the longest and largest bone. Along with the temporal bone of the skull, it is one of the two strongest bones in the body. The average adult male femur is 48 centimeters (18.9 in) in length and 2.34 cm (0.92 in) in diameter and can support up to 2 times the weight of an adult

What happens to your bones in your ankle when you have a spraind ankle?

nothing happens to your bones when you sprain your ankle as far as I know 'cause when your sprain your ankle you're stretching the liagaments nothte bones

But you can damage the bone some how during an ankle sprain 'cause I did it some how don't know though

What bone's Tubercle serves as an attachment point for the inguinal ligament?

The inguinal ligament is a specialization of the inferior border of the external abdominal oblique aponeurosis; it is the site of origin for a part of the internal abdominal oblique muscle and for a part of the transversus abdominis muscle; also known as: Poupart's ligament

So basically:

- External abdominal muscle

- Internal abdominal muscle

- Transversus abdominis muscle

What are unborn babies skeletons made of?

Cartilage is flexable. During child birth, the baby is squeezed through the birth canal. Sometimes the bones need to be able to move in order to fit. Then once they get a little older, the bones become harder, and become real bones.

When a surgeon amputates a leg what kind of cut does he make through the bone?

A surgeon typically makes a transverse (horizontal) cut through the bone during an amputation to facilitate healing and prosthetic attachment. The bone is often smoothed and rounded to reduce discomfort and promote a more comfortable prosthetic fit.

What is the widest bone in the body?

The widest bone in the body is the pelvis, specifically the ilium bone which is part of the pelvic girdle. The ilium bone helps support the weight of the upper body and serves as a connection point for many muscles of the lower back and hip.

Flattest bone in your body?

In the way the question is presented, the answer is probably the Scapula (Shoulder Blade)of which, of corse there are two.Designated flat bones, they are probably relatively thinner than the Iliac bones (The flat bones forming hip bones) of the Pelvis.

Name one flat bone in the human body?

A flat bone is thin, flattened,and usually curved. It has thin layers of compact bone around a layer of spongy bone with no marrow cavity. Flat bones form the skull, ribs, sternum and scapula.

The human skeleton what does the spine protect?

The spine protects the spinal cord, which is a vital part of the central nervous system. It allows for the transmission of electrical signals between the brain and the rest of the body, controlling movement and sensation. Any damage to the spinal cord can result in serious neurological issues.

The clavicle is to the ribs?

Clavicle and scapula bones have attachment to thorax by joint and/or muscles. So they are overlapping to the thorax and superior extremity. Conventionally they are placed in superior extremity.

What is used to keep a damaged bone from moving?

Depends what you mean by damaged. If you mean broken they sometimes use whats called an internal fixator this can include a rod through the center of the bone (usually in femurs or the tibia) Another way they internally do it is with a plate, that is kinda like the ones they use for lumber work. Its a thin metal piece with holes for screws which old the piece of the bones together. Sometimes if the pieces are small they will use what is called a pin which is a metal rod the diameter of a paperclip and they put that through the broken piece into the larger piece of bone. They are called internal fixators because once the skin is closed you cant see them and they dont come out. There are also external fixators which looks like an erector set. It is up to the orthopedist to decide which type he wants to use, but an external one has at least 2 posts about the diameter of a pencil and it is drilled through the skin into the bone and connected with a carbon fiber rod on the outside of the body, once the bone is healed the connectors and posts are taken out. But it also depends on the bone that is broken. A broken collor bone, rib, humerus, tail bone, fingers and toes they normally do not do surgery on.

What is the second layer of bone?

The second layer of bone is called the compact bone. It is dense and hard, providing strength and protection for the inner layers of bone tissue. Compact bone is made up of osteons, which are closely packed units that form the bone's structure.

Who many thoracic vertebra does a human have?

A human has 12 thoracic vertebrae, located in the middle section of the spine between the cervical and lumbar vertebrae.

What are the bones in the human arm?

Humerous (upper arm) Ulna and Radius which turn over each other and are paralell when you are at anatomical position. I can't quite remember, but I'm pretty sure that Radius is the one that connects to the thumb.

How are bones held together at the joints?

Bones are held together at joints by ligaments, which are strong bands of connective tissue that connect bone to bone. Ligaments help stabilize the joint and prevent excessive movement. Additionally, synovial fluid within the joint cavity helps reduce friction between the bones during movement.

The skull is also called the?

The skull is also called the cranium. It is the bony structure that encloses and protects the brain.

How strong are human thigh bones?

Human thigh bones, or femurs, are the strongest bones in the human body. They are designed to support the body's weight and withstand significant forces during activities like walking, running, and jumping. They are made up of dense cortical bone which provides strength and durability.

Who studies skeletons?

Biological or Physical anthropology is the study of the evolution of humans. Many anthropologists study skeletal remains in coordination with the police with regards to the legal system. There are of corse many sub branches of anthropology including osteology, the study of bones, and palaeopathology, the study of ancient diseases.

What is aneima?

It seems like you may have a typo in your question. Did you mean "anemia"? Anemia is a condition characterized by a lack of healthy red blood cells in the body, leading to symptoms such as fatigue, weakness, and shortness of breath. It can be caused by various factors, including iron deficiency, vitamin B12 deficiency, or chronic diseases. Treatment for anemia depends on the underlying cause.

How many bones in the appendicular skeleton are not in the hands and feet?

There are 60 bones in the appendicular skeleton that are not in the hands and feet. This includes the bones of the arms (30) and legs (30) that are not part of the hands and feet.

What is niether a cranial nor a facial bone?

The hyoid bone is neither a cranial nor a facial bone. It is a U-shaped bone located in the neck that serves as a point of attachment for muscles involved in swallowing and speech.

Why can you move the bones in your fingers but not in your skull?

The bones in your fingers have joints, and muscles that allow them to be articulated. The bone of the skull is a one piece item, and has no points of articulation.

The hand is made to move so you can grasp things, while your skull is there to protect your brain.

What are the filaments of a dynamic skeleton?

The filaments of a dynamic skeleton are the structures within a cell that provide support and enable movement. These filaments include actin filaments, microtubules, and intermediate filaments, which work together to maintain cell shape, transport organelles, and facilitate cell motility. They are constantly being assembled and disassembled in response to cellular signals.