2. Which muscle(s) belong to the rotator cuff muscle group? M. pectoralis major M. teres minor...

2. Which muscle(s) belong to the rotator cuff muscle group?

M. pectoralis major
M. teres minor
M. deltoideus
M. infraspinatus

Solutions

Expert Solution

rotator cuff is a group of muscles and tendons that surround the shoulder joint, keeping the head of your upper arm bone firmly with in the shallow socket of the shoulder. it helps to raise and rotate the your arm.

rotator cuff includes muscles:

supraspinatus muscle
infraspinatus muscle
teres minor muscle
subscapularis muscle

so the answer is option B & D that is teres muscle and infraspinatus muscle are correct.

option A : pectoralis muscle is a large muscle in the upper chest ,fanning across the chest from the shoulder to the breastbone. it is responsible for movement of the shoulder joint.

option C : deltoideus muscle is a rounded ,triangular muscle located on the upper most part of the arm & the top of the shoulder. it allows u to flex your shoulder joint and rotate the shoulder inwards.

Sydney Mullin answered 1 year ago

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