Answer:
back straight, feet flat on the floor, arms at a completable straight position while typing.
Explanation:
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Both in aerobics and dancing there is a lot of excercise going on...like salsa dancing, ballet, and break dancing...you use a lot of muscles jumping, twirling, and repetitions.
Plaque buildup thickens and stiffens artery walls, which can inhibit blood flow through your arteries to your organs and tissues.