what is the visual examination of the internal structure of a joint?
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the visual examination of the internal structure of a joint (arthr/o means joint, and -scopy means visual examination) using an arthroscope.
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There are three main types of joints; Fibrous (immovable), Cartilaginous (partially moveable) and the Synovial (freely moveable) joint.
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1. Joints Can Be Grouped By Their Function into Three Ranges of Motion. Immovable joints (called synarthroses) include skull sutures, the articulations between the teeth and the mandible, and the joint found between the first pair of ribs and the sternum.
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Elbow joint. The elbow joint is a synovial joint found in the upper limb between the arm and the forearm. It is the point of articulation of three bones: the humerus of the arm and the radius and the ulna of the forearm. ... The elbow joint is functionally a hinge joint, allowing movement in only one plane (uniaxial).
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A joint connects two or more bones in your body and functions to promote motion. In your spine, the joints connecting each of your vertebrae are known as facet joints. Other names for facet joints include zygapophyseal or apophyseal joints, or your doctor may refer to them as simply facets.
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Synovial joints are further classified into six different categories on the basis of the shape and structure of the joint. The shape of the joint affects the type of movement permitted by the joint. These joints can be described as planar, hinge, pivot, condyloid, saddle, or ball-and-socket joints.
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Classification of Joints on the Basis of Structure and Function. The point at which two or more bones meet is called a joint or articulation. Joints are responsible for movement (e.g., the movement of limbs) and stability (e.g.,the stability found in the bones of the skull).
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Joints Can Be Grouped By Their Structure into Fibrous, Cartilaginous, and Synovial Joints. Fibrous Joints. Between the articulations of fibrous joints is thick connective tissue, which is why most (but not all) fibrous joints are immovable (synarthroses).
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Hinge joints allow the movement of certain parts of the body in one plane. There are hinge joints in the fingers, toes, knees, elbows, and ankles. Although hinge joints are stable, people can still dislocate a bone in them.
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X-rays show the bones and the way they interact with each other at the joints. They are useful to evaluate the amount of cartilage at the ends of the bones, deformities and underlying conditions in the bones that may lead to arthritis, and changes in the bones that may be damage from arthritis.
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Synovial joints allow bones to slide past each other or to rotate around each other. This produces movements called abduction (away), adduction (towards), extension (open), flexion (close), and rotation. There are six types of synovial joints.
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['Fibrous joint. -dense connective tissue. -little or no movement. ... ', 'Cartilaginous joint. -binds bones together with cartilage. -limited movement. ... ', 'synovial joint. -fluid filled space between bones instead of binding material (Synovial cavity) ... ', 'articular capsule. continuation of periosteum of articulating bones.']
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There are two ways to classify joints: on the basis of their structure or on the basis of their function. The structural classification divides joints into fibrous, cartilaginous, and synovial joints depending on the material composing the joint and the presence or absence of a cavity in the joint.
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The elbow is an example of a hinge joint. The knee is sometimes classified as a modified hinge joint (Figure 3).
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2. Joints Can Be Grouped By Their Structure into Fibrous, Cartilaginous, and Synovial Joints. Fibrous Joints. Between the articulations of fibrous joints is thick connective tissue, which is why most (but not all) fibrous joints are immovable (synarthroses).
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A joint or articulation (or articular surface) is the connection made between bones in the body which link the skeletal system into a functional whole. They are constructed to allow for different degrees and types of movement.
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['Pivot Joints Move Side to Side. A pivot joint provides for rotation around only one axis. ... ', 'Hinge Joints Bend Your Limbs. ... ', 'Ball and Socket Joints Provide Rotation. ... ', 'Condyloid Joints Twist and Bend. ... ', 'Saddle Joints Have a Unique Shape. ... ', 'Gliding Joints Allow Smooth Motion.']