Muscles of the Trunk

• Trapezius
• Latissimus dorsi
• deltoid
• sternocleidomastoid

Tags

NGSS.HS-LS1-2

• Pectoralis major
• Triceps brachii
• trapezius
• Deltoid

• rectus abdominus
• internal obliques
• external obliques
• pectoralis major

The dome shaped muscle below the lungs

• intercostal
• diaphragm
• cardiac muscle
• orbicularis oris

• internal obliques
• external obliques
• rectus abdominus
• tranverse obliques

This muscle has its origin on the lower part of the spine and inserts on the humerus. It is important in swimming or throwing a punch.

• Deltoid
• Erector Spinae
• Latissimus Dorsi
• Trapezius

This muscle has fibers that runs parallel to the midline over the abdominal girdle. It is known as the "six pack" muscle

• External Oblique
• Transverse Abdominis
• Rectus Abdominis
• Quadratus Lumborum

This muscle functions to flex and medially rotate the shoulder, abduct the arm, and extend and laterally rotate the arm.

• Deltoid
• Latissimus Dorsi
• Trapezius
• Pectoralis Major

These muscles are in between each rib and aid in moving the ribcage to force breathing.

• Trapezius
• Erector spinae
• External obliques
• Intercostal muscles

Muscle A?

• rectus abdominus

• external obliques

• internal obliques

• transverse abdominus