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Ch. 8 Joints and Movement
N/A
50
Anatomy
Undergraduate 2
03/13/2013

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Cards

Term
Structural classification of joints
Definition
Fibrous, Cartilaginous, Synovial
Term
Fibrous joints
Definition
Gomphosis, Suture, Syndesmosis
Term
Suture
Definition
Opposing bones of the skull that interdigitate
Term
Syndesmosis
Definition
(further apart than sutures) bones are joined by ligaments

Ex: radioulnar and tibiofibular
Term
Gomphosis
Definition
Peg and socket

Ex: periodontal ligaments hold teeth in place
Term
Bones that form the Coronal suture
Definition
Frontal and Parietal
Term
Bones that for the Lambdoid suture
Definition
Occipital and Parietal
Term
Bones that form the Sagittal suture
Definition
The two Parietal bones
Term
Bones that form the squamous suture
Definition
Parietal and Temporal
Term
Characteristics of fibrous joints
Definition
United by fibrous CT

No joint cavity

Little/No movement
Term
Types of Cartilaginous joints
Definition
Synchondroses
Symphyses
Term
Synchondroses (characteristics)
Definition
Hyaline cartilage

Little or no movement
Term
Symphyses (characteristics)
Definition
Fibrocartilage

Slightly moveable
Term
Type of cartilage in Synovial joints
Definition
Hyaline cartilage called articular cartilage
Term
Part of synovial joint which secretes fluid
Definition
The membrane
Term
Receptors that send info about where joints and body are in space
Definition
Sensory nerves
(proprioception)
Term
Plane/Gliding joint
Definition
Uniaxial

articulating surfaces are nearly flat

some rotation, but limited by surrounding structures
Term
Saddle joint
Definition
Biaxial

bones with articulating surfaces that are both concave and convex
Term
Hinge joint
Definition
Uniaxial

Convex surface of one bones fits into concave of another
Term
Pivot joint
Definition
Uniaxial

cylindrical bony process rotating within a circle of bone and ligament
Term
Ellipsoid(Condyloid) joint
Definition
Biaxial

oval shaped condyle of one bone fits into an elliptical cavity of another
Term
Ball and Socket joint
Definition
Multiaxial

rounded extremity fits into cavity of another
Term
Intercarpal joint
Definition
gliding
Term
intertarsal joint
Definition
plane or gliding
Term
radiocarpal joint
Definition
ellipsoid (condyloid)
Term
joint btw trapezium and 1st metacarpal
Definition
saddle
Term
hip and should joints
Definition
ball and socket
Term
Elbow(cubital) joint
Definition
hinge
Term
Ankle (talocrural) joint
Definition
hinge
Term
joint btw proximal radius and ulna
Definition
pivot
Term
Flexion
Definition
Decreases angle btw bones of joint
"bending"
Term
Extension
Definition
Increses the angle btw bones of joint
"streightening"
Term
Abduction
Definition
movement away from midline
"to take away"
Term
Adduction
Definition
Movement towards the midline
"to bring together"
Term
Dosiflexion
Definition
movement that lifts foot towards shin

walking on heels
Term
Plantar Flexion
Definition
Movement of foot towards plantar surface

walking on toes
Term
Pronation
Definition
Rotation of forearm; palm faces posteriorly in relation to anatomical position
Term
Supination
Definition
Rotation of forearm; palm faces anteriorly in relation to anatomical position
Term
Elevation
Definition
Moves a structure superiorly
Term
Circumduction
Definition
a combo of flexion, extension, abduction, adduction

circumduction of appendages resembles a cone
Term
Eversion
Definition
plantar surface of foot faces laterally
Term
Inversion
Definition
plantar surface of foot faces medially
Term
Protraction
Definition
gliding; moves structure anteriorly
Term
Retraction
Definition
gliding; moves structure posteriorly

back to anatomical position
Term
TMJ
Definition
Allows depression/elevation, excursion, protraction/retraction
Term
Cruciate Ligaments
Definition
extend btw intercondylar eminence of tibia and fossa of femur
Term
Anterior Cruciate Ligaments
Definition
ACL

prevents anterior displacement of tibia
Term
Posterior Cruciate Ligaments
Definition
PCL prevent posterior displacement of tibia
Term
Collateral and Popliteal Ligaments
Definition
with the tendons of the thigh muscles strengthen the joint
Term
Menisci
Definition
articular discs made of fibrocartilage that build up margins of the tibia and deepen
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