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Kinesiology
Kinesiology Chapter 3
47
Other
Undergraduate 2
01/19/2011

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Term
fibrous joint
Definition
a type of joint that has a thin layer of fibrous periosteum between the two bones
Term
synarthrosis, syndesmosis, gomphosis
Definition
what are the three types of fibrous joints?
Term
synarthrosis joint
Definition
suture joint; has a thin layer of fibrous periosteum between two bones, such as in the sutures of the skull
Term
syndesmosis joint
Definition
ligamentous joint; has a great deal of fibrous tissue such as ligaments, holding the joint together; a small amount of twisting or stretching can occur
Term
gomphosis joint
Definition
type of joint; Greek for "bolting together"; example is between a tooth and the wall of its dental socket
Term
cartilaginous joint
Definition
a type of joint that has either hyaline cartilage or fibrocartilage between the two bones;
Term
cartilaginous joint
Definition
a type of joint that has either hyaline cartilage or fibrocartilage between the two bones;
Term
amphiarthrodial joint
Definition
allow a small amount of motion such as bending or twisting and some compression; cartilaginous joints are examples
Term
synovial joint
Definition
type of joint that has no direct union between the bone ends but a cavity filled with synovial fluid contained within a sleevelike capsule
Term
diarthrodial joint
Definition
type of joint that allows free motion; synovial joints are an example
Term
nonaxial joint
Definition
at this type of joint, movement tends to be linear instead of angular because joint surfaces are relatively flat and glide over one another
Term
uniaxial joint
Definition
type of joint that has angular motion occurring in one plane around one axis, like a hinge; the only motions are flexion and extension
Term
biaxial joint
Definition
type of joint that allows motion in two different directions; flexion and extension occur around the frontal axis; radial and ulnar deviation occur around the safittal axis
Term
saddle joint
Definition
a type of joint in which the articular surface of each bone is concave in one direction and convex in the other
Term
triaxial joint/ball-and-socket joint
Definition
type of joint where motion occurs actively in all three axes; multiaxial joint (2 answers)
Term
ligaments
Definition
bands of fibrous connective tissue
Term
joint capsule
Definition
surrounds and encases the joint and protects the articular surfaces of the bone
Term
synovial membrane
Definition
inner layer of joint capsule that is a thick and vascular tissue that secretes synovial fluid
Term
synovial fluid
Definition
thick, clear fluid that lubricates the articular cartilage
Term
cartilage
Definition
dense connective tissue capable of withstanding a great amount of pressure and tension; there are three types
Term
hyaline cartilage
Definition
articular cartilage; covers the ends of opposing bones; has no blood or nerve supply of its own
Term
fibrocartilage
Definition
type of cartilage that acts as a shock absorber; menisci and the intervertebral disks are examples
Term
elastic cartilage
Definition
type of cartilage that is designed to help maintain the shape of a structure; found in external ear and larynx
Term
tendon
Definition
structure that connects muscle to bone
Term
tendon sheaths
Definition
fibrous sleeves that can surround a tendon when it is subject to pressure or friction; tendons passing over the wrists are an example
Term
aponeurosis
Definition
broad, flat tendinous sheet; linear alba which is attached to the abdominal muscles near the midline
Term
bursae
Definition
small padlike sacs that are found around most joints; located in areas of excessive friction, such as under tendons
Term
fracture
Definition
a broken bone; a break in the continuity of the bony cortex caused by direct or indirect force or pathology
Term
dislocation
Definition
the complete separation of two articular surfaces of a joint
Term
subluxation
Definition
partial dislocation of a joint and usually occurs over a period of time
Term
sprain
Definition
a partial or complete tearing of fibers of a ligament
Term
strain
Definition
the overstretching of muscle fibers
Term
tendonitis
Definition
inflammation of a tendon
Term
tenosynovitis
Definition
an inflammation of the tendon sheath
Term
synovitis
Definition
inflammation of the synovial membrane
Term
bursitis
Definition
inflammation of the bursa
Term
capsulitis
Definition
inflammation of the joint capsule
Term
sagittal, frontal, transverse
Definition
what are the three planes of the body?
Term
sagittal plane
Definition
plane that passes through the body from the front to the back and divides the body into right and loeft parts; motions are flecion and extension
Term
frontal plane (coronal plane)
Definition
type of plane that passes through the body from side to side and divides the body into front and back parts;motions are abduction and adduction
Term
transverse plane (horizontal plane)
Definition
type of plane that passes through the body horizontally and divides it into top and bottom parts; motion is rotation
Term
center of gravity
Definition
the point where the three cardinal planes intersect each other
Term
sagittal axis
Definition
a point that runs through a joint from front to back
Term
frontal axis
Definition
a point that runs through a joint from side to side
Term
vertical axis (longitudinal axis)
Definition
a point that runs through a joint from top to bottom
Term
axis; perpendicular
Definition
Joint movement occurs around an _____ that is always ________ to its plane.
Term
degrees of freedom
Definition
a way to describe joints by the number of planes in which they can move; is either 1,2, or 3
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