What is the most frequently broken bone?
The Top 10 Broken Bones
- Clavicle
- Arm
- Wrist
- Hip
- Ankle
- Foot
- Toe
- Hand
- Finger
- Leg.
What is the most common bone to break?
What are the 3 most commonly broken bones in the human body?
- Collarbones. The collarbone, otherwise known as the clavicle, is the most commonly broken bone, thanks in large part to where it’s positioned. …
- Arms. Arms are also broken frequently. …
- Wrists. …
- Hips.
What are the 12 common bone markings?
Projections and parts
- Condyle. Condyles are rounded knobs that form articulations with other bones. ...
- Epicondyle. ...
- Process. ...
- Protuberance. ...
- Tubercle vs tuberosity. ...
- Trochanter. ...
- Spine. ...
- Linea (line) The term linea refers to a subtle, long, and narrow impression which distinguishes itself in elevation, color or texture from surrounding tissues.
- Facet. ...
- Crests and ridges. ...
What are the names of all the bones?
- Axial Skeleton (80)
- Appendicular Skeleton (126)
- Lower Extremity (62)
- Lower Extremity (64)
What type of bone is the femur?
long boneThe femur is categorised as a long bone and comprises a diaphysis (shaft or body) and two epiphyses (extremities) that articulate with adjacent bones in the hip and knee.
What is a Femir?
Your thighbone (femur) is the longest and strongest bone in your body. Because the femur is so strong, it usually takes a lot of force to break it. Motor vehicle collisions, for example, are the number one cause of femur fractures. The long, straight part of the femur is called the femoral shaft.
Why is it called the femur?
The femur is the largest and strongest bone in the human body.It is commonly known as the thigh bone (femur is Latin for thigh) and reaches from the hip to the knee.
What are the parts of the femur called?
The femur acts as the site of origin and attachment of many muscles and ligaments, and can be divided into three parts; proximal, shaft and distal. Proximal Femur consists of: femoral head - pointed in a medial, superior, and slightly anterior direction.
What's the most painful bone to break?
The Femur is often put at the top of the most painful bones to break. Your Femur is the longest and strongest bone in your body, running from your hip to your knee. Given its importance, it's not surprising that breaking this bone is an incredibly painful experience, especially with the constant weight being put on it.
What is the hardest bone to break?
The thigh bone is called a femur and not only is it the strongest bone in the body, it is also the longest. Because the femur is so strong, it takes a large force to break or fracture it – usually a car accident or a fall from high up.
What is the weakest bone in the body?
clavicleThe weakest and softest bone in the human is the clavicle or collar bone. Because it is a tiny bone which runs horizontally across your breastbone & collarbone, it is simple to shatter.
What's the hardest bone in your body?
the jawboneThe hardest bone in the human body is the jawbone. The human skeleton renews once in every three months. The human body consists of over 600 muscles. Human bone is as strong as steel but 50 times lighter.
What is thigh bone called?
The thigh bone, or femur, is the large upper leg bone that connects the lower leg bones (knee joint) to the pelvic bone (hip joint).
What is the top of the femur called?
The “ball” is known anatomically as the femoral head; the “socket” is part of the pelvis known as the acetabulum. Both the femoral head and the acetabulum are coated with articular cartilage. Cartilage is not visible on X-ray, therefore you can see a “joint space” between the femoral head and acetabular socket.
What is the second strongest bone in the body?
The thigh bone, also called the femur, is the strongest and longest bone in the body....1)Skull22 Bones2)Vertebral column33 Bones3)Ribs22 Bones
Does broken femur heal?
Broken femurs are treated with surgery and physical therapy. It can take months for your broken femur to heal. You can break your femur by being in a car crash, falling or being shot. Elderly people who are prone to injuries from falls can break their femurs.
How hard is it to break a femur?
The femur, the longest and strongest bone in the human body, is quite hard to break. Unless your bone has been weakened (most commonly the result of osteoporosis, medication side effects or cancer), it takes quite a lot of force to sustain a femur fracture.
How much force does it take to break a femur?
about 4,000 newtons of forceIf you're looking for the specifics to snap a piece of your skeleton, it takes about 4,000 newtons of force to break the typical human femur.
What is the second strongest bone in your body?
The thigh bone, also called the femur, is the strongest and longest bone in the body....1)Skull22 Bones2)Vertebral column33 Bones3)Ribs22 Bones
What is a femur?
What is the femur? The femur is your thigh bone. It's the longest, strongest bone in your body. It's a critical part of your ability to stand and move. Your femur also supports lots of important muscles, tendons, ligaments and parts of your circulatory system.
What is the femur?
Anatomical terms of bone. The femur ( / ˈfiːmər /, pl. femurs or femora / ˈfɛmərə /), or thigh bone, is the proximal bone of the hindlimb in tetrapod vertebrates.
What is the upper extremity of the right femur?
The upper extremity of right femur viewed from behind and above, showing head, neck, and the greater and lesser trochanter. The upper or proximal extremity (close to the torso) contains the head, neck, the two trochanters and adjacent structures.
What is the femoral angle?
In the general population of people without either genu valgum or genu varum, the femoral-tibial angle is about 175 degrees. The femur is the largest and thickest bone in the human body. By some measures, it is also the strongest bone in the human body.
How does the femur develop?
The femur develops from the limb buds as a result of interactions between the ectoderm and the underlying mesoderm, formation occurs roughly around the fourth week of development. By the sixth week of development, the first hyaline cartilage model of the femur is formed by chondrocytes.
Which knee joint is the thickest?
Left knee joint from behind, showing interior ligaments. The lower extremity of the femur (or distal extremity) is the thickest femoral extremity, the upper extremity is the shortest femoral extremity. It is somewhat cuboid in form, but its transverse diameter is greater than its antero-posterior (front to back).
Which bone is the only bone in the upper leg?
The femur is the only bone in the upper leg. The two femurs converge medially toward the knees, where they articulate with the proximal ends of the tibiae. The angle of convergence of the femora is a major factor in determining the femoral-tibial angle. Human females have thicker pelvic bones, causing their femora to converge more than in males.
How long is the neck of a femur?
The head of the femur is connected to the shaft through the neck or collum. The neck is 4–5 cm. long and the diameter is smallest front to back and compressed at its middle. The collum forms an angle with the shaft in about 130 degrees. This angle is highly variant.
What is the ligament of the head of the femur called?
This facilitates attachment of the ligament of the head of the femur (also called the ligamentum fovea or ligamentum teres). This ligament originates from the acetabular notch and accommodates the artery of the ligament of head of the femur. The femoral head forms the “ball” in the ball and socket joint of the hip.
When does the femur develop?
Distally, it interacts with the patella and the proximal aspect of the tibia. The femur begins to develop between the 5th to 6th gestational week by way of endochondral ossification (where a bone is formed using a cartilage-based foundation).
How many surfaces does the femur have?
Although it is described as being a cylindrical structure, the shaft of the femur has several surfaces and borders that blend seamlessly. Toward the middle of the shaft, there are three surfaces and three borders. The convex anterior surface is bound by medial and lateral rounded borders.
Which condyle is larger, medial or lateral?
Of the two condyles, the lateral condyle is larger and more prominent than the medial condyle. Like its counterpart, it is also associated with a lateral epicondyle, which functions as a point of attachment for the lateral collateral ligament. The lateral condy le also has a shallow groove below the lateral epicondyle through which the popliteal tendon travels. It is known as the groove for popliteus. There are three muscles that arise from the posterior aspect of the lateral femoral condyle. These are (from cranial to caudal) the plantaris muscle, the lateral head of gastrocnemius, and the popliteus muscle. The fibular collateral ligament (supporting structure that attaches the fibula to the femur) also has an insertion on the lateral condyle. It lies deep to the iliotibial tract (fibrous continuation of the tensor fasciae latae ), which also inserts on the lateral femoral condyle.
What is the angle of inclination of the femoral head?
The femoral head and shaft are situated at an angle of approximately 130 degrees. This neck-shaft angle (angle of inclination) is larger in infants and gradually decreases to the previously stated angle. It allows the limb to oscillate without colliding with the pelvis. Not only are there age-related differences in the angle of inclination, but there is also significant sexual dimorphism related to this anatomical feature as well. Genotypic females tend to have a wider angle of inclination than genotypic males do. This feature contributes to the difference in gait between the two sexes. The neck itself is anteverted (rotated laterally) at a variable angle between 10 – 15o (angle of torsion).
How long is the femoral neck?
The femoral neck is about 5 cm long and can be subdivided into three regions. The most lateral aspect (the part closest to the greater trochanter) is known as the base of the femoral neck or the basicervical portion of the neck is the widest part of the neck of the femur.
What is the longest bone in the body?
Last reviewed: June 17, 2021. Reading time: 30 minutes. The femur bone is the strongest and longest bone in the body, occupying the space of the lower limb, between the hip and knee joints.
Overview
The femur , or thigh bone, is the proximal bone of the hindlimb in tetrapod vertebrates. The head of the femur articulates with the acetabulum in the pelvic bone forming the hip joint, while the distal part of the femur articulates with the tibia (shinbone) and patella (kneecap), forming the knee joint. By most measures the two (left and right) femurs are the strongest bones of the body, and in humans, the largest and thickest.
Structure
The femur is the only bone in the upper leg. The two femurs converge medially toward the knees, where they articulate with the proximal ends of the tibiae. The angle of convergence of the femora is a major factor in determining the femoral-tibial angle. Human females have thicker pelvic bones, causing their femora to converge more than in males.
In the condition genu valgum (knock knee) the femurs converge so much that the knees touch on…
Function
As the femur is the only bone in the thigh, it serves as an attachment point for all the muscles that exert their force over the hip and knee joints. Some biarticular muscles – which cross two joints, like the gastrocnemius and plantaris muscles – also originate from the femur. In all, 23 individual muscles either originate from or insert onto the femur.
In cross-section, the thigh is divided up into three separate fascial compartments divided by fascia, …
Clinical significance
A femoral fracture that involves the femoral head, femoral neck or the shaft of the femur immediately below the lesser trochanter may be classified as a hip fracture, especially when associated with osteoporosis. Femur fractures can be managed in a pre-hospital setting with the use of a traction splint.
Diversity among animals
In primitive tetrapods, the main points of muscle attachment along the femur are the internal trochanter and third trochanter, and a ridge along the ventral surface of the femoral shaft referred to as the adductor crest. The neck of the femur is generally minimal or absent in the most primitive forms, reflecting a simple attachment to the acetabulum. The greater trochanter was present in the extinct archosaurs, as well as in modern birds and mammals, being associated wit…
External links
• Media related to Femur at Wikimedia Commons
• The dictionary definition of Femur at Wiktionary
• The dictionary definition of thighbone at Wiktionary