1. 伸肌：当臂部的二头肱肌收缩时手臂就弯曲,故称之为屈肌(flexor),当然,此时三头肱肌必定是呈松弛状态;反之,当三头肱肌收缩时,二头肌松弛,手臂就伸直了,故三头肱肌是为伸肌(extensor).
2. 延展器：extensometer 伸长计 | extensor 延展器 | exterior aircraft cleaner 飞机外部清洁剂
3. 伸展肌：extensive sampling 广面抽样 | extensor 伸展肌 | extensor muscle 伸展肌
4. 伸筋：eugenics-優生学 | extensor-伸筋 | fallopian tubes-卵管
1. Jones ruptured his extensor tendon in the wrist during a Wednesday practice session.
noun
1. extensor的意思
1. a skeletal muscle whose contraction extends or stretches a body part
Synonym: extensor muscle