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62 Cards in this Set

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  • Back
what structure surrounds a synovial joint and forms its cavity?
articular capsule
what is the outer layer of a joint capsule
fibrous capsule
what is the inner layer of a joint capsule?
synovial membrane
What liquid fills the joint cavity of a synovial joint?
synovial fluid
what structure forms the liquid that fills the joint cavity of the synovial joint?
synovial membrane
what are the three functions of synovial fluid?
lubrication
nourishment
shock absorption
What type of cartilage covers the articulating surface of bones in a synovial joint?
hyaline
What is the thin layer of hyaline cartilage on the articulating surfaces of bones called?
articular cartilage
what are the functions of articulating cartilage?
reduce friction
absorb compression
prevent bone damage
what are bands of dense regular connective tissue that join bone to bone?
ligaments
What is a fibrous saclike structure that is lined with synovial membrane contains synovial fluid and reduce friction during movement
bursa
what are elongated bursa wrapped around tendons?
tendon sheaths
based on function, what types of joints are all synovial joints
diarthroses
what type of synovial joint is uniaxal and is the simplest
planar
intercarpal
intertarsal
what type of synovial joint is a uniaxal and composed of one convex surface fitting into a concave surface and allows movement in only one plane
hinge
elbow-humerulnar
knee-tibiofemoral
interphalangeal
uniaxial synovial joint, formed by a rounded surface fitting into a ring formed by a ligament and another bone, allows the rotation of one bone around its long axis in relation to the second bone
pivot
-proximal radioulnar
-atalantoaxial
What is the study of joints
arthrology
Based on structure what are the three types of joints
fibrous
carilaginous
synovial
based on function what are the three types of joints
synarthroses
amphiarthroses
diarthroses
what are the three characteristics of fibrous joints
dense regular connective tissue
immovable
no joint cavity
where do gomphoses occur in the human body?
between teeth and jaw
how are gomphoses classified functionally
synarthroses
what is a suture
immovable fibrous joints betwn some bones of skull
how are sutures classified functionally?
synarthroses
what is a syndesmosis
bones joined only by dense regular connective tissue
how are syndesmoses classified functionally
amphiarthroses
what broad ligamentous sheet connect bones in a syndesmosis
interosseus membrane
where to syndesmoses occur in the human body
radius-ulna
tibia-fibula
list the three types of fibrous joints
gomphoses
sutures
syndesmoses
Do carilaginous joints have a joint caviyt?
no
what type of cartilage joins bones in synchondroses
hyaline
what is the example of snchondroses within growing bones?
epiphyseal plate
what are examples of synchondroses within the rib cage
1st sternocostal joint
costochondral joints
what is the functional classification of synchondroses
synarthroses
what type of cartilage holds bones together in symphyses
fibrocartilage
what is the functional classification of symphyses
amphiarthroses
exampls of symphyses
pubic symphysis
intervertebral discs
types of cartilaginous joints
synchondroses
symphyses
Do synovial joints have a joint cavity?
yes
What is the functional classification of synovial joints?
diarthroses
What type of synovial joint is biaxial with an oval, convex surface on one bone articulating with an oval, concave surface on a second bone?
condyloid
-metacarpophalangeal
-atlanto-occipital
what type of synovial joint is formed by two opposing articular surfaces that are convex in one direction and concave in another and that permit movements in all directions except axial roataion?
saddle
-carpometacarpal #1
-sternoclavicular and incudomalleolar
what type of synovial joint is multiaxial and is formed by a spherical articulating head of one bone fitting into a rounded, cuplike socket on a second bone?
ball and socket
-coxal
-glenohumeral
what type of movement of a synovial joint involves a simple movement in which two opposing surfaces slide slightly back and forth or side to side with respect to one another?
planar (glding)
what type of movement involves an increase or decrease in a joint angle?
angular
what type of movement is the lateral carrying away of a body part from the midline?
abduction
what type of movement is the medial movement of a body part toward a midline?
adduction
what type of movement brins about a decrease in the angle of a joint?
flexion
what type of movment brings about an incrase in the angle of a joint?
extension
What type of movement increases the angle of a joint beyond 180 degrees
hyperextension
what type of movement occurs when the trunk of the body moves in a coronal plane laterally
lateral flexion
what type of movement is a sequence of movements in which the proximal end of an apendage remains relatively stationary while the distal end makes a circular motion?
circumduction
what type of movment is a pivoting motion in which a bone turns on its own long axis?
rotation
what type of movement is a pivoting motion in which a bone turns on its own long axis so that the anterior surface moves laterally?
lateral rotation
what type of movement is a pivoting motion in which a bone turns on its own long axis so that the anterior surface moves medially?
medial rotation
what type of movement is the inferior movement of a body part?
depression
what type of movement is the superior movement of a body part
elevation
what type of movement occurs when the dorsum of the foot or hand moves so that the angle between it and the limb decreases?
dorsiflexion
what type of movement occurs when the ankle joint moves to point the toes inferiorly
plantarflexion
what type of movement occurs when the intertarsal joints are moved to face the sole of the foot laterally?
eversion
what type of movement occurs when the intertarsal joints are moved to turn the sole fo the foot medially
inversion
what type of movement occurs so that the palm of the hand is directed posteriorly or inferiorly?
pronation