肌肉是防御疾病和损伤的重要武器（Muscles, A critical defense against disease and injury）。

　　Attending to your muscles is an investment that will yield dividends year after year. An additional payoff is the way that your musculature can ward off crippling injury and provide significant defense against a broad spectrum of diseases，such as osteoporosis, cancer, diabetes and improve psychological well-belling.