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40 Cards in this Set
- Front
- Back
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Articulation |
a place where two or more bones meet |
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two ways to classify joints |
structure and movement |
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3 types of joints based on structure |
fibrous cartilaginous synovial |
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what is a fibrous joint |
dense regular CT no joint cavity |
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what is a cartilaginous joint |
cartilage binds the bone no joint cavity |
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what is a synovial joint |
ligaments support articulating bones bone ends separated by joint cavity |
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what is the most common type of joint |
synovial |
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3 types of joints classified by movement |
synarthrosis amphiarthrosis diarthrosis |
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what is synarthrosis |
immovable joint |
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what is amphiarthrosis |
slightly moveable |
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what is diarthrosis |
freely movable |
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3 types of fibrous joints |
suture syndesmosis gomphosis |
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what is a suture |
dense reguar CT binds bones synarthrosis |
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what is a syndesmosis |
bones held together by interosseous ligaments amphiarthrosis |
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what is a gomphosis |
root of tooth attached to jaw by periodontal membranes synarthrosis |
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2 cartilaginous joints |
synchondrosis symphysis |
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what is a synchondrosis |
bones connected by hyaline cartilage synarthrosis |
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what is a symphysis |
bones connected by fibrocartilage amphiarthrosis |
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6 types of synovial joints |
ball and socket saddle condylar pivot hinge plane |
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example of ball and socket |
shoulder hip |
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example of saddle |
base of thumb |
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example of condylar |
knuckles |
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example of pivot |
atlas and axis (shake head no) |
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example of hinge |
elbow, knee, PIP, DIP |
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example of plane |
between carpals between tarsals |
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flexion |
decrease angle between bones in anterior posterior plane |
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extension |
increase joint angle between bones in anterior posterior plane |
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abduction |
body part moved away from midline |
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adduction |
body part moved toward midline |
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circumduction |
circular, cone like movement of body segment |
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rotation |
movement of a body part around its own longitudinal axis |
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supination |
lateral rotation of forearm where palm faces anteriorly |
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pronation |
medial rotation of forearm where palm faces inferiorly |
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depression |
inferior movement of a body part |
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eleveation |
superior movement of a body part |
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inversion |
movement of the sole of the foot inward/ medially |
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eversion |
movement of the sole of the foot outward/ laterally |
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protraction |
movement of a body part anteriorly |
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retraction |
movement of a body part posteriorly |
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This type of synovial joint allows for movement in only one plane. An example is the elbow joint. A. pivot B. saddle C. Ball and Socket D. Condyloid E. Hinge |
E. hinge |
