Muscle Quiz 2: neck, anterior/posterior thorax, and abdominal

What’s 4

Mylohyoid

Elevates hyoid bone during swallowing

What’s 1

Digastric

Opens mouth

what’s 2

Sternocleidomastoid

flexion of neck and rotates head toward shoulder on opposite sides

what’s 3

Stylohyoid

Elevates and retracts hyoid bone

What’s 5

Serratus anterior

Holds scapula against chest wall

What’s 1

deltoid

Prime mover of arm abduction

What’s 2

pectoralis major

Adducts arm

What’s 3

Pectoralis minor

Draws scapula forward and inferiorly

What’s 4

Coracobrachialis

Raises upper arm forward and upward

What’s 1

Trapezius

Raises the scapula

What’s 2

deltoid

Prime mover of arm abduction

What’s 3

infraspintus

Lateral rotation of the arm

What’s 4

Teres major

Extends arm

What’s 5

latissimus dorsi

Prime mover of arm extension

What’s 6

Rhomboid minor

Stabilizes scapula

What’s 7

supraspinatus

Initiates abduction of the arm

What’s 8

rhomboid major

Stabilizes scapula

What’s 9

teres minor

Lateral rotation of the arm

What’s 1

Transverse abdominis

Compresses abdominal contents

what’s 2

internal oblique

Compresses abdominal wall

what’s 3

external oblique

Compresses abdominal wall

what’s 4

rectus abdominis

Flexes the vertebral column