As people age, Starr says, muscle strength is key to helping them stay strong and continue living on their own in their own home.
斯塔尔说，随着人们年龄的增长，肌肉力量是帮助他们保持强壮和继续独立生活的关键。
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As people age, researcher Starr says muscle strength is key to helping them stay strong and continue living on their own in their own homes.
研究人员斯塔尔说，随着人们年龄的增长，肌肉力量是帮助他们保持强壮并继续在自己的家里独立生活的关键。
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The problemis the insulin - this hormone that acts like a key to get the sugar out of theblood into the muscle cells, where it can power your movements.