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You probably know that the way to stronger muscles is 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。
These cells donate their nuclei to the damaged fibers, helping them to repair by increasing the size and number of proteins.
這些細胞將自己的核心捐贈給受損的纖維,通過增加蛋白質的大小和數量幫助修復。
In addition, through a complex sequence of events, your immune system also aids repair by boosting the protein content of these damaged muscle fibers.
此外,通過一系列復雜的化學變化,提高這些受損肌肉纖維的蛋白質含量你的免疫系統也能幫助修復。
A diet adequate in protein is important too in growing and maintaining strong muscles.
而富含蛋白質的飲食對于增長和保持強壯的肌肉也同樣至關重要。
Consume too little protein, and your body will counteract your strength training efforts by robbing protein from your muscles.
消耗的蛋白質太少,身體會從你曾經努力過的肌肉力量訓練中搶奪走蛋白質進行中和。
However, consuming more than 1.5 grams per kilogram of body weight isn't beneficial either.
然而,消耗身體每公斤超過1.5克也不是有益的。
Finally, strength isn't just about beefy muscles.
最后,力量不僅僅是結實肌肉的反映。
Learning proper technique and how to activate more muscle fibers at once increases strength.
學習適當的技巧及如何激活更多的肌肉纖維增加強度。
This is why newcomers to strength training will often gain strength rapidly at first.
這就是為什么新人在剛開始進行力量訓練會很快增加力量的原因。
They're learning more efficient patterns of movement.
他們學習的是更有效的運動模式。
