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Synarthrosis
Immovable joint.
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Amphiarthrosis
Joint with limited movement.
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Diarthrosis
Freely movable joint.
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Three types of joints by mobility.
- Synarthrosis - immovable joint
- Amphiarthrosis - limited movement joint
- Diarthrosis - freely movable joint
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Three types of joints by tissue type.
- Fibrous joints
- Cartilaginous joints
- Synovial joints
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The subclasses of Fibrous joints.
- Syndesmosis
- Suture
- Gomphosis
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The subclasses of Cartilaginous joints.
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The subclasses of Synovial joints.
- Plane (Gliding)
- Ginglymus (Hinge)
- Trochoid (Pivot)
- Ellipsoid (Condyloid)
- Sellar (Saddle)
- Spheroid (Ball and Socket)
- Bicondylar
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All synovial joints are _____.
All _____ joints are Diarthrodial.
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Syndesmoses
- Distal tib/fib joint
- Amphiarthrodial
- Fibrous joint
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Sutures
- Skull sutures
- Synarthrodial
- Fibrous joint
-
Gomphoses
- Roots of teeth
- Amphiathrodial
- Fibrous joint
-
Symphyses
- Broad flattened disk of fibrocartilage
- Symphysis Pubis
- Intervertebral disks
- Amphiarthrodial
- Cartilaginous joint
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Synchondroses
- Temporary joints where cartilage becomes bone by adulthood.
- Temporary joints in epiphyseal plates and parts of the pelvis.
- Synarthrodial
- Cartilaginous joint
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Synovial Joints
- Freely movable joints with a fibrous capsule that contains synovial fluid.
- There are 7 synovial joints classified by their movement.
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Plane (gliding)
- Movement - sliding or gliding
- Intermetacarpal, carpometacarpal, and intercarpal. (joints within the hand and wrist).
- Atlantoaxial joint (between C1 and C2).
- Diarthrodial
- Synovial joint
-
Ginglymus (hinge)
- Movement - flexion and extension
- Interphalangeal joints (fingers)
- Knee
- Elbow
- Ankle
- Diarthrodial
- Synovial joint
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Trochoid (pivot)
- Movement - rotational
- Proximal and distal radioulnar joints
- Between C1 and C2
- Diarthrodial
- Synovial joint
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Ellipsoid (condyloid)
- Movement - flexion and extension, abduction and adduction, and circumduction.
- Wrist
- 2nd-5th metacarpophalangeal joints (fingers)
- Diarthrodial
- Synovial joint
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Sellar (saddle)
- Movement - flexion and extension, abduction and adduction, and circumduction.
- Thumb
- Diarthrodial
- Synovial joint
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Spheroid (ball and socket)
- Movement - flexion and extension, abduction and adduction, circumduction, medial and lateral rotation.
- Hip
- Shoulder
- Diarthrodial
- Synovial joint
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Bichondylar
- Movement - primarily in one direction with some limited rotation.
- Knee
- Jaw
- Diarthrodial
- Synovial joint
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True or False: The best example of the sellar joint is the patella.
False
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