Topic 9 - SKELETAL SYSTEM - factors affecting bone growth/remodelling Flashcards
what are the 3 factors affecting bone growth/remodelling?
- mechanical stress
- nutrition
- hormones
what are the 3 factors affecting bone growth/remodelling?
mechanical stress
- typically due to what?
typically due to muscle action
what are the 3 factors affecting bone growth/remodelling?
mechanical stress
no hints (do not list examples)
typically due to muscle action
what are the 3 factors affecting bone growth/remodelling?
mechanical stress
name 3 examples
- moderate exercise
- injury that restricts movement
- weights or electric currents
what are the 3 factors affecting bone growth/remodelling?
mechanical stress: moderate exercise
increases ________ ______ in areas of stress (more _______ than _______)
increases osteoblast activity in areas of stress (more building than breakdown)
what are the 3 factors affecting bone growth/remodelling?
mechanical stress: moderate exercise
_______ osteoblast activity in _____ __ _____ (more _______ than _______)
increases osteoblast activity in areas of stress (more building than breakdown)
what are the 3 factors affecting bone growth/remodelling?
mechanical stress: moderate exercise
no hints
increases osteoblast activity in areas of stress (more building than breakdown)
what are the 3 factors affecting bone growth/remodelling?
mechanical stress: injury that restricts movement
________ osteoblast activity + __ _______ in osteoclast activity which ________ bone mass
decreases osteoblast activity + no change in osteoclast activity which decreases bone mass
what are the 3 factors affecting bone growth/remodelling?
mechanical stress: injury that restricts movement
decreases ________ ________+ no change in _______ ________ which decreases _____ _____
decreases osteoblast activity + no change in osteoclast activity which decreases bone mass
what are the 3 factors affecting bone growth/remodelling?
mechanical stress: injury that restricts movement
no hints
decreases osteoblast activity + no change in osteoclast activity which decreases bone mass
what are the 3 factors affecting bone growth/remodelling?
mechanical stress: weights or electrical currents
may ______ healing by______ osteoblast activity
may speed healing by increasing osteoblast activity
what are the 3 factors affecting bone growth/remodelling?
mechanical stress: weights or electrical currents
may speed _____ by increasing ______ ________
may speed healing by increasing osteoblast activity
what are the 3 factors affecting bone growth/remodelling?
mechanical stress: weights or electrical currents
no hints
may speed healing by increasing osteoblast activity
factors affecting bone growth/remodelling
nutrition
Ca++ & PO4-
required for production of matrix
factors affecting bone growth/remodelling
nutrition
vitamin C
required for collagen production
