Pectoralis Major
<span style="color:#ff0000;">Clavicle, sternum and costal cartilages of 2nd to 6th ribs
<span style="color:#0000ff;">Greater tubercle and lateral lip of the intertubercular sulcus of humerus
</span><span style="color:#000000;">Adducts, Medially Rotates arm @ shoulder jt
Also Flexes (clavicular) and Extends (sternal)
<span style="color:#008000;">Medial and Lateral Pectoral Nerves</span> </span></span>

Latissimus Dorsi
<span style="color:#ff0000;">Spines of T7-L5, Lumbar Vertebrae, Crests of Sacrum and Ilium, Inferior 4 ribs via thoracolumbar fascia</span>
<span style="color:#0000ff;">Intertubercular Sulcus of Humerus
<span style="color:#000000;">Extends, Adducts, and Medially Rotates arm @ shoulder jt
</span><span style="color:#008000;">Thoracodorsal Nerve</span> </span>

Deltoid
<span style="color:#ff0000;">Acromial extremity of Clavicle, Acromion, Spine of scapula
<span style="color:#0000ff;">Deltoid Tuberosity of Humerus
<span style="color:#000000;">Abduction (whole),</span> <span style="color:#000000;">Flexion and Medial Rotation (ant fibers),</span><span> </span><span style="color:#000000;">Extension and Lateral Rotation (post fibers)
<span style="color:#008000;">Axillary Nerve</span> </span></span></span>

Subscapularis
<span style="color:#ff0000;">Subscapular fossa of scapula
<span style="color:#0000ff;">Lesser Tubercle of humerus
<span style="color:#000000;">Medial Rotation of arm @ shoulder jt
</span><span style="color:#008000;">Upper and Lower Subscapular Nerve</span></span></span>

Supraspinatus
<span style="color:#ff0000;">Supraspinous fossa of scapula
<span style="color:#0000ff;">Greater Tubercle of humerus
<span style="color:#000000;">Assist Deltoid in Abduction of arm @ shoulder jt
<span style="color:#008000;">Suprascapular Nerve</span> </span></span></span>

Infraspinatus
<span style="color:#ff0000;">Infraspinous fossa of scapula
<span style="color:#0000ff;">Greater Tubercle of Humerus
<span style="color:#000000;">Lateral Rotation of arm @ shoulder jt
</span><span style="color:#008000;">Suprascapular Nerve</span> </span> </span>

Teres Major
<span style="color:#ff0000;">Inferior angle of scapula
<span style="color:#0000ff;">Medial Lip of Intertubercular sulcus of humerus
<span style="color:#000000;">Extension, Adduction, Medial Rotation of arm @ shoulder jt
<span style="color:#008000;">Lower Subscapular Nerve</span> </span></span></span>

Teres Minor
<span style="color:#ff0000;">Inferior lateral border of scapula
<span style="color:#0000ff;">Greater Tubercle of Humerus
<span style="color:#000000;">Laterally Rotates and Extends arm @ shoulder jt
</span><span style="color:#008000;">Axillary Nerve</span> </span> </span>

Coracobrachialis
<span style="color:#ff0000;">Coracoid Process of scapula
<span style="color:#0000ff;">Middle of medial surface of shaft of humerus
<span style="color:#000000;">Flexes and Adducts arm @ shoulder jt
</span><span style="color:#008000;">Musculocutaneous Nerve</span> </span> </span>