Noun
that which gives a rotary or rolling motion, as a muscle which partially rotates or turns some part on its axis.
Source: Webster's dictionaryA torn rotator cuff is a cancer for a pitcher and if a pitcher gets a badly torn one, he has to face the facts, it's all over baby. Don Drysdale
After we get our body into a better position, we want to reestablish the timing of the muscles and force the rotator cuff to do its primary job of stabilizing the humerus in the joint. Source: Internet
Except for being an adductor, it is a lateral rotator and weak flexor of the hip joint. Source: Internet
Despite a rotator cuff injury during the 1985 season, Smith posted career highs in multiple offensive categories in 1987. Source: Internet
The biceps flexes the knee joint and rotates the flexed leg laterally — it is the only lateral rotator of the knee and thus has to oppose all medial rotator. Source: Internet
In a standing posture it is a lateral rotator, but it also assists extending the thigh. Source: Internet