Joints

Joints

1. Functional

   • Based on degree of movement
   • Synarthrotic
   • Ampiarthrotic
   • Diarthrotic

2. Structural

   • Grouped by tissue that brings them together
   • Fibrous
     • Syndesmosis: embranous sheet of tissue.
       • Tibia & Fibula
     • Dense connetive tissue.
     • Sutures: thin layer of tissue
       • Between skull bones
     • Gomphosis: bone to jaw by ligament
       • Teeth
   • Cartilaginous
     • Synchondrosis: hyaline
       • Sternum & 1st true rib.
     • Symphysis: fibrocartilage
       • Pelvic bones & vertebrae
   • Synovial
     • Reduce friction
     • Ball and socket: shoulder
     • Condylar: metacarpal & phalanges
     • Glinding: carpals
     • Saddle: thumb
     • Hinge: elbow & knee
     • Pivot: ulna & knee