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You probably know that the way to stronger musclesis a weight or resistance training program,
你可能知道要長肌肉需要合適的重量或阻力訓練計劃,
but do you know how weight lifting increases strength?
但你知道舉重也能長肌肉嗎?
One way is by making muscles larger in circumference and hence heavier in mass.
一種方法是通過增加肌肉的周長,從而使得質量變大。
Muscles are composed of cells called muscle fibers.
肌肉是由被稱為肌肉纖維的細胞組成。
Strength training increases the size of these muscle fibers.
力量訓練會增加這些肌肉纖維的大小。
This form of muscle growth is called hypertrophy.
這種形式的長肌肉稱之為過度增長。
Ultimately, muscle fibers hypertrophy by increasing their protein content.
最終,通過增加蛋白質含量肌纖維過度增長。
Strength training, believe it or not, increases the protein content of your muscles by damaging them.
信不信由你, 力量訓練會通過破壞它們增加你肌肉的蛋白質含量。
The stress of lifting a challenging weight creates tiny tears in the structural proteins inside the muscle.
一項具有挑戰性的舉重在肌肉內的結構蛋白中產生微小的裂縫。
These tears activate cells on the outer surface of the muscle called satellite cells.
就是這些裂縫會刺激激活肌肉外表被稱為衛星細胞的組織。
Satellite cells multiply and send cells to help repair the damaged areas.
而衛星細胞會進行繁殖并送出細胞幫助修復受損的區域。
譯文來自網絡
