EXSS3050 Lecture Notes - Lecture 3: One-Repetition Maximum, Nitrogen Balance, Quartile
22 Aug 2018
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Figure: typical pattern of bone mass change over the lifespan: reach peak bone mass by. ~20yo, then plateau out for several decades until. Figure: bmd is ranked according to the standardized difference between individual. In the bone, dxa scans for calcium levels: high t score also indicates arthritis, not only op, dense bone, or extra arthritis = high t score. What affects bone health: genetic predisposition (family history, genotype, race) Inadequate pa level: loss of muscle mass & strength, vit d deficiency (needed for bone integrity, diseases, osteopenia from any cause, poor nutrition (energy, pro, ca+, minerals, smoking & excess alcohol, be suspicious of younger adults w/ op. Osteoporosis & childhood: op can be prevented/delayed by taking action in childhood (op originates in childhood, sports before puberty will increase bmd in girls, whereas after puberty will cause a ~7% decrease.
