Muscles of the Chest and Abdomen

This abdominal muscles has fibers that run parallel to the midline

• Rectus Abdominis
• Transverse Abdominis
• Internal Oblique
• Rectus Superioris

This large muscle of the chest moves inserts into the humerus and rotates the arm medially

• Pectoralis Minor

• Latissimus Dorsi

• External Intercostal

• Pectoralis Major

This abdominal muscle has fibers that run diagonally downward from the ribs

• External Oblique

• Internal Oblique

• Inferior Oblique

• Superior Oblique

This abdominal muscle has fibers that run diagonally upwards from the Ilium

• External Oblique

• Internal Oblique

• Inferior Oblique

• Superior Oblique

This muscle of the abdomen has fibers that run perpendicular to the midline and works to compress the abdomen

• Rectus Abdominis
• Transverse Abdominis
• Linea Alba
• Tendinous Intersections

This sawtoothed muscle is sometimes called the boxer's muscle because it abducts the scapula during a punching motion

• serratus anterior

• pectoralis major

• pectoralis minor

• deltoid

Transversus abdominis

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#4?

• external oblique
• internal oblique
• transverse abdominis
• rectus abdominis

#5?

• external oblique
• internal oblique
• transverse abdominis
• rectus abdominis

#6?

• external oblique
• internal oblique
• transverse abdominis
• rectus abdominis