他的腿部筋受伤了。
tāde tuǐ bù jīn shòushāng le 。
He injured the tendons in his leg.
锻炼可以增强肌肉和筋的力量。
duànliàn kěyǐ zēngqiáng jīròu hé jīn de lìliàng 。
Exercise can strengthen the muscles and tendons.
医生说我需要休息,筋太紧了。
yīshēng shuō wǒ xūyào xiūxī , jīn tàijǐn le 。
The doctor said I need to rest because my tendons are too tight.