身体紧张 meaning in Chinese

physical stress

The resulting firmness in the arm ' s muscles is body tension
这种活动带来的肌肉发紧就是身体紧张的一种。
Body tension is caused when opposing muscle groups are contracted simultaneously
不同肌肉群之间同时的收缩活动产生了身体紧张。
And the harder you flex those opposing muscles , the more tension you ' ll have
这些反向肌肉群的力量越大，就会产生越强的身体紧张。
The goal of this approach is to minimize the physical strain on the worker by structuring the physical work environment around the way the body works
本方法的目标是：围绕人体完成工作的方式，对物理工作环境进行构建，将劳动者的身体紧张程度降低到最低水平。