Check all the muscles that flex the arm at the glenohumeral joint

SUPRASPINATUS. Stabilizes and rotates glenohumeral joint.

INFRASPINATUS. Stabilizes and rotates glenohumeral joint.

SUBSCAPULARIS. Stabilizes and rotates glenohumeral joint.

TERES MINOR. Stabilizes and rotates glenohumeral joint.

TERES MAJOR

LATISSIMUS DORSI

DELTOID

PECTORALIS MAJOR

The answer is: The supraspinatus muscle. The subscapularis muscle. The infraspinatus muscle. The minor round muscle. The major round muscle. The deltoid muscle The pectoralis major muscle. The wide dorsal muscle. The coracobraquial muscle.

Explanation:

Glenohumeral joint: Composed by the head of the humerus and the glenoid cavity.

The muscles it covers are:

1.- The supraspinatus muscle.

2.- The subscapularis muscle.

3.- The infraspinatus muscle.

4.-The minor round muscle.

5.- The major round muscle.

6.- The deltoid muscle

7.- The pectoralis major muscle.

8.- The wide dorsal muscle.

9.- The coracobraquial muscle.  

The answer is: The supraspinatus muscle. The subscapularis muscle. The infraspinatus muscle. The minor round muscle. The major round muscle. The deltoid muscle The pectoralis major muscle. The wide dorsal muscle. The coracobraquial muscle.

it'll be alright, just keep on going and keep your head up!