NUR1 239 Chapter Notes - Chapter 24: Subcutaneous Tissue, Tonicity, Osteoarthritis
10 May 2016
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Maintain and allow body to change position in response to external and internal stimuli. Muscle and bone strength, allow to stand straight. Muscle contraction and joint movement, allow moving toward and away from object. *any change from msk will impact from ability to perform activities of daily living, occupation and recreation. 206 bones, central axial skeleton (80): facial bones, skull, auditory ossicles, hyoid bone, ribs, sternum and vertebrae and peripheral appendicular skeleton (126): limbs, pelvis, scapula and clavicle. Diarthrosis: synovial, free-movement because they have bones separated from each other and are enclosed in a joint cavity (shoulders, elbow, wrist, thumbs, hip, knee, ankle, proximal cervical vertebrae) Amphiarthrose: slightly movable (vertebrae, menubriosternal joint, symphysis pubis) Secrete fluid for joint lubrification, nourishment and waste removal, normally have 1-3 ml of synovial fluid. Lack joint space, limited movement or none (fixed joint, synarthroses or amphiarthorse) Enclosed sac filled with viscous synovial fluid (like a joint)
