Neck and Shoulder Anatomy

Front

Pectoralis Major

Back

Adducts, medially rotates, flexes, and extends the shoulder

Front

Sternocleidomastoid

Back

Flexes the neck and rotates head to opposite side

Front

Splenius Cervicis and Scalene Muscles: Helps with head rotation, flexes the neck, extends the head

Back

Helps with head rotation, flexes the neck, extends the head

Front

Trapezius

Back

Extends the neck and head, elevates the scapula, laterally flexes and rotates the head

Front

Levator Scapulae

Back

Elevates the scapula, laterally flexes the neck, and downwardly rotates the scapula

Front

Rhomboids (minor and major)

Back

Retracts and downwardly rotates the scapula

Front

Infraspinatus

Back

Laterally rotates the shoulder

Front

Supraspinatus

Back

Abducts the shoulder

Front

Teres Major and Minor: What is their function?

Back

Extends, medially and laterally rotates the shoulder, adducts the shoulder