Hold the load close to your body . keep your back straight and tighten your abdominal muscle to support the spine . stand with feet apart at shoulders width and avoid excessive knee bending so as to keep your balance 当提取地上的重物时,要屈膝蹲低及收起腹部,保持腰背挺直,好让脊柱得到足够承托,同时双膝要微微分开如肩膊宽阔,亦不要过份屈曲,以保持平衡避免跌倒。
3.
Hold the load close to your body . keep your back straight and tighten your abdominal muscle to support the spine . stand with feet apart at shoulders width and avoid excessive knee bending so as to keep your balance 当提取地上的重物时,要屈膝蹲低及收起腹部,保持腰背挺直,好让脊柱得到足够承托,同时双膝要微微分开如肩膊宽阔,亦不要过份屈曲,以保持平衡避免跌倒。