TYPS AND CLASS
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• Fibrous joint – 3 TYPS | show 🗑
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show | suture like such as those that make up the skull. The bones interlock and there is no movement because they are meant to provide shape and stability (moves slightly in kids but not at all with adults-the fontanels fuse).
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show | Ligamentous): ligament joint such as the distal radioulnar joint or distal tibiofibular joint. A small amount of twisting or stretching can occur.
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Gomphosis: TYPE 3 | show 🗑
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show | Amphiarthroidal) – hyaline (also called articulating cartilage) or fibrocartilage ( between 2 bones. Allows a small amount of movement (bending/twisting/compression). Provides lots of stability.
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Hyaline | show 🗑
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show | – no direct union between bone ends. Components: Joint capsule (“sleeve”) filled with synovial fluid. Allows for a lot of free motion. Outer layer of joint capsule is fibrous; the inner has a synovial membrane which secretes synovial fluid
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Nonaxial | show 🗑
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Uni-axial | show 🗑
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show | (condyloid/saddle) motion occurs in 2 different directions (2 axes, 2 planes). Ex. Wrist, MP’s. o The thumb carpalmetacarpal joint (CMC) is a saddle joint with a convex surface on one plane and a concave surface o
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Tri-axial | show 🗑
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ligaments - | show 🗑
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joint capsule - | show 🗑
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Hyaline | show 🗑
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Fibrocartilage | show 🗑
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Labrum of shoulder: | show 🗑
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show | can be cord like (long head of biceps) or flattened band. Some are encased in tendon sheaths when it is subject to pressure or friction,
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show | broad, flat tendinous sheet. Found where muscles attach to bones (latissimus dorsi/Linea alba).
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show | – found around most joints. Are small pad like sacs called bursae. They are located in areas of excessive friction such as under tendons and over bony prominences (natural
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show | broken bone (disruption in the continuity of a bone) In kids tends to be incomplete – greenstick or epiphyseal. In elderly tend to be of the hip or wrist from fall
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show | complete separation of the 2 articular surfaces of a joint. Portion of joint capsule is torn.
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Subluxation | show 🗑
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Sprain | show 🗑
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Strain | show 🗑
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show | inflammation of a tendon
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show | inflammation of a tendon sheath. Caused by repetitive use.
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show | inflammation of the synovial membrane.
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show | inflammation of the joint capsule.
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show | - subjective assessment of the quality of the feel when slight pressure is applied at the end of the joints passive range of motion. There are 3 major types
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show | - characterized by a hard or abrupt limit to joint motion. Occurs when bone contacts bone at end of the ROM. AKA – hard end feel. Ex. Normal terminal elbow extension
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Soft tissue stretch: | show 🗑
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Soft tissue approximation – | show 🗑
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show | Characterized by sudden hard stop usually fell well before end of normal ROM , when abnormal bony structures such as osteophytes block the joint’s motion
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Springy block – | show 🗑
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show | – characterized by lack of mechanical limitation of joint ROM. Occurs when motion is limited by pain and there is complete disruption of soft-tissue constraints.
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show | – reflex or spasm during motion. Protective response seen with acute injury. Palpation of muscle will reveal spasm.
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show | - found in acute conditions in which soft tissue edema is present. It has soft, wet spongy feel ex. Sprained ankle, synovitis
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show | - motion that accompany the classical movement and are essential to normal full range and pain less function.
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Joint play | show 🗑
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show | take place within a joint to facilitate a particular active motion. Ex. Anterior glide of the tibia as knee goes into extension.
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Joint mobilization | show 🗑
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show | when external force is exerted on a joint causing the joint surfaces to be pulled apart. Assists in mobility of a joint.
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Approximation or compression occurs | show 🗑
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Shear forces occur | show 🗑
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