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Joint and Movements
| Question | Answer |
|---|---|
| Articulations | Functional joints between bones. they bind parts of the skeletal system and make possible bone growth. |
| Fibrous Joints | Dense connective tissues composd mainly of dense connective tissues. |
| Syndesmosis (fibrous) | Bones bound by long fibers of connective tissue that form an interosseous ligament. |
| Suture (fibrous) | between flat bones of the skull. |
| Gomphosis (fibrous) | joint formed by union of a cone-shaped bony process in a bony socket. |
| Cartilaginous Joints | Joints whose bones are connected by hyaline or fibrocartilage. |
| Synchondrosis (cartilaginous) | Band of Hyaline cartilage unite the bones. |
| Synovial Joints | Comprise most joints of the skeletal system. they allow for free movement are are diathrotic. |
| Articular Carilage (Synovial) | Resists wear and minimizes friction when it is compressed as the joint moves. |
| Joint Capsule (synovial) | Has two distinct layers that hold together the bones of the synovial joint. |
| Ligaments | Bundles of strong, tough collagenous fibers. |
| Synovial Membrane | Covers all surfaces within joint capsule, except areas covered by articular cartilage. |
| Menisci | Disks of fibrocartilage divided by synovial joints. |
| Bursae | Fluid filled sacs associated with certain synovial joints. |
| Ball-and-socket Joint | Boen with a globular or slightly egg-shaped head that articualtes with the cup-shaped cavity of another bone. |
| Condyloid Joint | Ovoid condyle of one bone fits into the elliptical cavity of another bone. |
| Gliding Joints | nearly flat or slightly curved. allow sliding or back and fourth motion and twisting movements. |
| Hinge Joint | convex surface of one bone fits into the concave surface of another. |
| Pivot Joint | Cylindrical surface of one bone rotates Within a ring formed of bone and fibrous tissue of ligament. |
| Saddle Joint | Forms between bones whose articulating surfaces have both concave and conves regions. |
| Flexion | Bending parts at a joint so angle between them decreases and parts come closer together. |
| Extension | Straightens joint so angle bewteen increases and they move farther apart. |
| Hyperextension | Excess extension of the parts at a joint, beyond anatomical position. |
| Dorsiflexion | Bending foot at ankle toward shin. |
| Plantar Flexion | Bending foot at ankle otawrd sole. |
| Abduction | Moving part away from the midline. |
| Adduction | Moving a part toward midline. |
| Rotation | Moving part around an axis. |
| Circumduction | Moving a part so its end follows a circular path |
| Supination | Turning hand so palm is upward or facing facing anteriorly. |
| Pronation | Turning hand so the palm is downward or facing posteriorly. |
| Eversion | Turning foot so the sole faces laterally. |
| Inversion | Turning foot so sole faces medially. |
| protraction | Moving a part forward. |
| Retraction | Moving a part backward. |
| Elevation | Raising a part. |
| Depression | Lowering a part. |
Created by:
heyblaey
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