A + P Muscles of Arm, Shoulder, and Abdominal Wall

Pectoralis Major

Superficial Pec Muscle

Pectoralis Minor

Deep Pec Muscle to Major and attaches to 3 ribs

Deltoid

Shoulder muscle attached to Trapezius and Pec Major/Minor

Trapezius

Superficial muscle running from occipital region to mid back

Latissimus Dorsi

Back muscle covering ribs, deep to trapezius

Supraspinatus

Deep to trapezius and superior to spine of scapula

Infraspinatus

Deep to trapezius and inferior to spine of scapula

Rhomboid Major

Bigger muscle and inferior to Minor and attached to Spine and medial border of Scapula

Rhomboid Minor

Smaller muscle and superior to Major and attached to Spine and medial border of Scapula

Triceps Brachii

2 heads on posterior arm and lateral to bicep brachii and brachialis (attaches to greater tubercle of humerus)

Biceps brachii

2 heads on the anterior arm that is a bulb shape and attached to Radius and Coracoid Process of Scapula

Brachialis

1 bulb like muscle lateral and deep to bicep brachii and attached to Ulna

Coracobrachialis

Short and thin muscle superior to brachialis and medial to bicep brachii

External Oblique

Deep to lats on the lateral side of the body and superficial to internal oblique

Internal Oblique

Deep to external oblique and superficial to transverse and connects to hip bone

Transverse Abdominus

Deep to external and internal, length of both combined

Fibers aligned like ««« going across body

Rectus Abominus

Actual ab muscles, from Xiphoid Process to Sacrum (top of rib cage to privates)