As you stand, maintain the natural curve in your lower back and keep your core muscles tight. Use your leg muscles - not your back - to lift the object.
在你站起来的时候，继续保持腰背部的自然曲线，保持收紧你的核心肌肉。用你的腿部肌肉——不是背部——去抬起物品。
Shortening your stride will prevent your feet from landing in front of your body, which causes the muscles of your lower leg, specifically your knees and shins, to have to pull your body forward.
缩短你的跨步可以防止你的脚在你身体前方着地，这也是你的小腿，尤其是膝盖和胫部的肌肉把你身体拉向前的原因。
Achilles tendinitis is inflammation of the Achilles (uh-KIL-eez) tendon, the band of tissue that connects calf muscles at the back of the lower leg to your heel bone.
阿基里斯腱炎(译者：跟腱炎)是阿基里斯腱发生的炎症反应，阿基里斯腱是指将小腿后部的腓肠肌连接到跟骨上的一条组织。
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