ANP 1106 Lecture 4: Joints

• School: University of Ottawa
• Department: Anatomy and Physiology
• Course: ANP 1106
• Professor: Jackie Carnegie

Document Summary

A joint is where 2 or more bones meet. Very little to no movement at joint. Seams only found between bones of skull. Overlapping or interlocking of 2 bones; junction lled with very short ct bres. Bones connected by a cord (ligament) or sheet (interosseous membrane) of. Interosseous membrane between radius and ulna, inferior tibio bular joint. Between each of 1st and 7th ribs and sternum. Articular surfaces covered with hyaline cartilage-linking plate of. 5 characteristics: articular cartilage: covers opposing bone surfaces cushioning so bone isn"t crushed joint cavity: synovial cavity, uid lled. 2: articular capsule: double layered, synovial uid: lls joint cavity; reduces friction. Some synovial joints have fatty pads for cushioning (hip/knee joints) or reinforcing ligaments: restrict movement of joint articular discs to improve t (knee/jaw joints) Bursa: sac lined with synovial membrane and containing a thin lm of synodal uid. Found where ligaments, muscles, skin or muscle tendons overlie and rub against bone.