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chapter 9
articulations
43
Anatomy
Undergraduate 1
10/26/2009

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Term
articulation
Definition
point of contact between
bones
Term
synovial, fibrous, cartilginous
Definition
structural classification of joints
Term
synarthrosis, diarthroses, amphiarthroses
Definition
functional classification of joints
Term
Synovial joints
Definition
presence of fluid filled joint capsule
Term
Synarthroses
Definition
immovable joint
Term
Amphiarthroses
Definition
slightly movable
Term
Diarthroses
Definition
freely movable
Term
Syndesmoses
Definition
joints in which ligaments connect two bones
Term
sutures
Definition
found only in the skull; teethlike
projections from adjacent bones interlock with
each other
Term
gomphoses
Definition
between the root of a tooth and the
mandible or maxilla
Term
Synchondroses
Definition
hyaline cartilage present
between articulating bones
Term
symphyses
Definition
joints in which a pad or disk
of fibrocartilage connects two bones
Term
joint capsule, synovial membrane, articular cartilage
Definition
Structures of synovial
joints:
Term
joint capsule
Definition
sleevelike casing
around the ends of the bones that
binds them together
Term
synovial membrane
Definition
membrane
that lines the joint capsule and also
secretes synovial fluid
Term
articular cartilage
Definition
hyaline cartilage
covering the articular surfaces of
bones
Term
joint cavity, menisci, ligaments, bursae
Definition
Structures of synovial joints:
Term
joint cavity
Definition
small space
between the articulating
surfaces of the two bones of
the joint
Term
menisci
Definition
pads of fibrocartilage located
between articulating bones
Term
ligaments
Definition
strong cords of
dense, white, fibrous tissue
that hold the bones of a
synovial joint more firmly
together
Term
bursae
Definition
synovial membranes
filled with synovial fluid;
cushion joints and facilitate
movement of tendons
Term
gonimeter
Definition
ROM measured by
instrument called
Term
flexion
Definition
decreases the angle between bones;
returns a part from extension or hyperex.
Term
extension
Definition
increases the angle between bones;
returns a part from its flexed position to its
anatomical position
Term
hyperextension
Definition
stretching or extending part
beyond its anatomical position
Term
rotaion
Definition
movement around a longitudinal axis
assoicated with a pivot joint
Term
abduction
Definition
moves a part away from the median
plane of the body
Term
adduction
Definition
moves a part toward the median
plane of the body
Term
planter flexion
Definition
increases the
angle between
the top of the
foot and the
front of the leg
Term
dorsiflexion
Definition
decreases the
angle between
the top of the
foot and the
front of the leg
Term
rotation
Definition
pivoting a bone on its own axis
Term
circumduction
Definition
moves a part so that its distal end
moves in a circle
Term
supination
Definition
turns the hand palm side up
Term
gliding
Definition
articular surface of one bone moves over the articular
surface of another without any angular or circular
movement
Term
inversion
Definition
turning the sole of the foot inward
Term
eversion
Definition
turning the sole of the foot outward
Term
protraction
Definition
moves a part forward
Term
retraction
Definition
moves a part backward
Term
congenital
Definition
hip dislocations are often _____
Term
Clinical View: Bunions
Definition
mostly caused by ill-fitting shoes or especially
high-heels. 1st metatarsophylangeal joint
damaged/deformed. ..often accompanied by calluses & bursitis.
Term
Clinical View: Rhematoid Arthritis
Definition
systemic autoimmune disease that
can effect lungs, heart, skin, and muscles. May follow certain infections &
occasionally giving birth.
Term
Clinical View- Gouty Arthritis "Gout"
Definition
uric acid crystals cause
joint inflammation, often begins in great toe.
Term
Clinical view- Osteoarthritis =OA
Definition
A condition in which low-grade inflammation. treated with pain meds including NSAIDS
(non-steroidal anti-inflammatory drugs) and/ or surgery
results in pain in the joints, caused by
abnormal wearing of the cartilage that
covers and acts as a cushion inside joints
and destruction or decrease of synovial
fluid that lubricates those joints.
degenerative arthritis,
degenerative joint disease
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