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Articulations/ Joint
Articulations/ Joints
| Term | Definition |
|---|---|
| Gliding Joint | Nonaxial or Multiaxial Sacroiliac Joint, Intercarpal Joint, Vertebrocostal, Acromioclavicular |
| Hinge Joint | Monoaxial, Angular Movement Elbow Joint, Knee Joint, Ankle Joint and Interphalangeal Joint |
| Pivot Joint | Monoaxial, rotation movement Atlantoaxial Joint, Proximal Radioulnar Joint of Elbow |
| Condylar Joint | Biaxial, Angular Movement Radiocarpal of Wrist, Metacarpophalangeal (knuckles 2-5, Metatarsophalangeal (to to foot 2-5) |
| Saddle Joint | Biaxial, angular movement Carpometacarpal Joint (CMC)= Thumb, Sternoclavicular Joint |
| Ball and Socket Joint | Triaxial, angular movement that includes circumduction, plus rotation movement Shoulder Joint, Hip Joint |
| Flexion | –Anterior–posterior plane –Reduces angle between elements |
| Extension | -Anterior-Posterior Plane -Increases Angles between Elelments |
| Hyperextension | Extension Past Anatomical Position |
| Abduction | Forntal (Coronal) Plane -Moves away from longitudinal axis -Away from body center |
| Adduction | Frontal Plane -moves toward longitudinal axis -toward body center |
| Circumduction | circular motion without rotation combo of angles that appear to be seamless and uninterupted 360 degrees |
| Medial Rotation- Internal | rotates toward Axis |
| Lateral Rotation- external | rotates away from axis |
| Pronation | from anatomical position turns forearm radius over ulna, palm faces posterior |
| Supination | forearm in anatomical position, palm faces anterior |
| Inversion | face sole of foot inward |
| Eversion | face sole of foot outward |
| Dorsiflexion | flexion at ankle (lifting toes toward the ceiling) |
| Plantar Flexion | flexion at ankle (pointing toes toward the floor) |
| Opposition | thumb movement toward fingers or palm (grasping) |
| Reposition | opposite of opposition; relax thumb |
| Protraction | moves anteriorly in the horizontal plane (pushing forward) |
| Retraction | opposite of protraction moving posteriorly (pulling back) |
| Elevation | moves in superior direction (up) |
| Depression | moves inferior direction (down) |
| Lateral Flexion | Bends vertebral column from side to side |
| Joint Capsule | Around a joint -outer fibrous (tough) layer Inner synovial membrane: makes synovial fluid |
| Joint Cavity | space between cartilage |
| Articular Cartilage | where the joints are put together |
| Synovial Fluid | keeps joints from causing friction |
| Accessory Structures | Meniscus: fibrocartilage in knee and jaw Fat Pad Bursa: fluid filled pillow (sac) full of synovial fluid , whereever there is a "pointy thing" -Bursitis: inflammation of fluid filled sac Ligaments: connect bone to bone Tendon: Connect muscle to bone |
Created by:
Tbbarricks
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