WordvöðvinnMeaningthe musclePart of speechnounPronunciationCourseIcelandicLessonIrregular plurals (i-umlaut)Usages of vöðvinnVið getum teygt stífa vöðva oft.We can stretch stiff muscles often.Stífur vöðvi getur aukið sársaukann í bakinu.A stiff muscle can increase the pain in the back.