Enhancement brachium tricep and deltoid muscle: Lying face downward, right hand griping dumb bells and raising up.

增强肱三头肌和三角肌：俯卧，右手握住哑铃上。

The brachia-bridge crane has obvious superiority with high efficiency, large working range and low cost which are the advantages of both bridge crane and brachia crane.

架起重结合了起重和门座起重点，装卸效率高、工作范围大，而且造价和基础土建费用低，其越性非常显著。