How many categories of diarthrotic joints are there, based on the number of axes of motion?
Explanation
Diarthroses (freely mobile synovial joints) are functionally categorized by their axes of motion: uniaxial (one plane), biaxial (two planes), and multiaxial (three planes).
Other questions
What is the functional classification for a joint that is immobile or nearly immobile, providing a strong union between bones to protect internal organs?
Which type of fibrous joint is characterized by a wide gap between parallel bones that is filled by a broad sheet of connective tissue called an interosseous membrane?
What is the term for the cartilaginous joint where bones are united by fibrocartilage, such as the joint between the pubic portions of the hip bones?
What type of synovial joint, such as the one between the trapezium carpal bone and the first metacarpal bone, has articulating surfaces that are concave in one direction and convex in the other?
The movement that brings the anterior surface of the upper or lower limb toward the midline of the body is known as what?
The glenohumeral joint is primarily supported by the tendons of four muscles that form a structure known as the:
During embryonic development of the limbs, what is the name for the area between adjacent cartilage models where a synovial joint will form?
Which type of synovial joint allows for the widest range of motion?
The movement of turning the foot to angle the bottom of the foot toward the midline is known as:
At a synovial joint, what is the name of the thin layer of hyaline cartilage that covers the entire articulating surface of each bone?
Which ligament of the hip joint is an intracapsular ligament that provides a pathway for an important artery supplying the head of the femur?
What type of body movement describes the side-to-side movement of the mandible?
The fusion of adjacent bones, such as when the epiphyseal plate ossifies or cranial sutures fuse, results in a bony joint called a:
The elbow joint is a uniaxial hinge joint formed primarily by the articulation between the trochlea of the humerus and what structure on the ulna?
Which movement of the forearm involves the radius and ulna being parallel to each other, with the palm facing forward?
What are the C-shaped fibrocartilage structures located between the articulating surfaces of the femur and tibia in the knee joint called?
The broad ligament on the medial side of the ankle joint that supports the talocrural joint and resists excessive eversion of the foot is the:
Which movement involves the sequential combination of flexion, adduction, extension, and abduction to produce a circular motion of a body region?
A joint where the bones are united by hyaline cartilage, such as the epiphyseal plate in a growing long bone, is structurally classified as a:
What is the specialized fibrous joint that anchors the root of a tooth into its bony socket in the jaw?
The thumb movement that brings the tip of the thumb into contact with the tip of a finger is known as what?
The annular ligament, which encircles the head of the radius, is a key supporting structure for which joint?
In the knee, which ligament is stronger and serves to support the knee when it is flexed and weight bearing, preventing the femur from sliding anteriorly off the tibia?
What is the term for the functional classification of a joint that is slightly mobile, such as the pubic symphysis?
What type of joint, functionally classified as a synarthrosis, is formed by the anchoring of a tooth root into its bony socket via periodontal ligaments?
Which type of synovial joint allows for movement in two planes (biaxial) but does not permit rotation, such as the knuckle joints of the hand?
What is the term for the movement of lifting the front of the foot, so that the top of the foot moves toward the anterior leg?
The temporomandibular joint (TMJ) involves the articulation between the condyle of the mandible and which two features of the temporal bone?
A common injury to the knee known as the 'terrible triad' involves sequential injury to the tibial collateral ligament, medial meniscus, and which other ligament?
Which type of arthritis is an autoimmune disease where the body's immune system attacks the joint capsule and synovial membrane, leading to inflammation and cartilage destruction?
What is the name for the movement of bending the neck or body toward the right or left side?
A ligament that is located outside of the articular capsule of a synovial joint is classified as what type of ligament?
What is the term for the broad areas of connective tissue that separate the bones of the skull in newborns and infants, allowing for skull growth?
The intervertebral symphysis is classified as a wide symphysis. What percentage of total body height (between pelvis and skull) do the intervertebral discs account for?
The plane joints between the superior and inferior articular processes of adjacent vertebrae are known as what?
During an inversion ankle sprain, which ligament is most commonly injured?
What type of synovial joint allows for movement in only one plane and is exemplified by the elbow and knee?
Which movement involves moving a limb laterally away from the midline of the body?
What is the function of the synovial fluid found within a synovial joint?
The movement of pushing the lower jaw forward to stick out the chin is called what?
What is the term for a cartilaginous joint where the gap separating the bones is wide and filled with a thick pad of fibrocartilage, such as between vertebrae?
Which of the following joint types is functionally classified as multiaxial?
What structure is a connective tissue sac similar to a bursa, but smaller, that surrounds a muscle tendon where the tendon crosses a joint?
The articulation between the occipital condyles of the skull and the superior articular processes of the atlas (C1 vertebra) forms which joint?
What type of body movement describes the downward (inferior) motion of the scapula or mandible?
The medial meniscus in the knee joint is 20 times more likely to be injured than the lateral meniscus because it is firmly attached to which two structures?
Reconstructive surgical repair of the ulnar collateral ligament of the elbow, a procedure common in baseball pitchers, is referred to as what?
Which type of joint is NOT functionally classified as a synarthrosis (immobile joint)?
Which joint is functionally a biaxial diarthrosis?