Conventional robot arm has only actuators similar to mono-articularmuscles, though animals arm has not only mono-articularmuscles but also bi-articularmuscles.
传统的机器人手臂仅含有类似于单关节肌的执行器,而生物的手臂不仅含有单关节肌还含有双关节肌。
2
It is long and thin compared to the humerus of other mammals, but its articular surfaces and areas for attachment of muscles are fundamentally like those of most mammals.