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Lesson 7
Articulations (joints)
27
Anatomy
Undergraduate 3
07/06/2012

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Term
Relationship of Joint Stability and Mobility
Definition
strength is inversely proportional to mobility
Term
Functional Classification of Joint
Definition
based on amount of movement permitted (synarthrosis (immovable), Amphiarthosis, and diathrosis
Term
Synarthrosis
Definition
Immovable joints (same (rothic)
Term
Amphiarthrosis
Definition
Slightly movable joints
Term
Diarthrosis
Definition
Freely movable joints
Term
structural Classification
Definition
Based on two things: material or type of CT that binds and presence/absence of joint cavity (fibrous, artilaginous, and synovial)
Term
Fibrous Joint
Definition
connected by fibrous tissue--gomphoses, sutures, and syndesmoses
Term
Cartilaginous
Definition
Connected by cartilage--sychondroses and symphyses
Term
Synovial
Definition
Contains joint cavity
Term
Gomphoses
Definition
A fibrous joint type; only in aveolar margin; synarthrotic; peg-in-socket joint; articulation of tooth with its socket (alveolus; held in place with periodontal ligament
Term
Sutures
Definition
a fibrous joint; synarthrotic; bones tightly bound by minimum amount of fibrous tissue; found only between bones of the skull; coronal, lambdoid, agittal, squamous; (not below the clavical)
Term
Syndesmoses
Definition
a fibrous joints; allows for supination and pronation, connective joint between two parallel bones; amphiarthrotic; bones connected exclusively by ligaments (ligaments connect bone to bone; tendons connect muscle to bone); tibiofibular joint and interosseous membrane between radius and ulna
Term
Synchondroses
Definition
a cartilaginous joints; ribs do not articulate w/ sternum (costochondral); do articulate with the manubrium; synarthrotic; hyaline cartilage unites the bones; epiphyseal plates, rib-manubrium, costochondral joints
Term
Symphyses
Definition
cartilaginous joints; amphiarthrotic; fibrocartilage unites bones; pubic symphysis intervertebral discs
Term
Synovial Joints
Definition
Diarthrotic; each contains fluid filled joint cavity; glenohumeral, temporomandiublar, elbow, knee, etc.
Term
Bursa
Definition
(tendon and sheath), fibrous sac filled with synovial fluid; found where bones, ligaments, muscles, skin, or tendons overlie one another and rub together
Term
Curciate Ligaments
Definition
named for cross shapes, named in relation to restriction of movements of tibia (even though also restricts movements of femur)
Term
Collateral Ligaments
Definition
Medial (tibial) and lateral (fibular) collateral ligaments, first prevents hyperabduction of the knee, second prevents hyperadduction of the knee
Term
Arthritis
Definition
inflammatory or degenerative diseases that damage the joint
Term
Osteoarthritis
Definition
chronic dengenerative condition; 'wear and tear'
Term
Gouty arthritis
Definition
uric acid crystals in joint cavity (problems from kidneys); prevent by drinking lots of water
Term
Rheumatoid Arthritis
Definition
autoimmune disease; chronic infammatory disorder; hyaline cartilage
Term
Lever System: lever
Definition
rigid bar that moves; long bones
Term
Lever System: fulcrum
Definition
fixed point; joint
Term
Lever System: effort
Definition
applied force; muscle insertions
Term
Lever System: load
Definition
Resistance; weight of body part
Term
123:FRE
Definition
page 55 manual
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