MCB 245 - Anterior Thorax/ Abs

External intercostal - ACTION

elevates ribs

External intercostal - ORIGIN

Inferior Border of superior ribs

External intercostal - INSERTION

superior border of inferior rib

*External/Internal Oblique - ACTION

lateral flexion/ rotation of spine and compresses abs

*External Oblique - ORIGIN

Ribs 5 -12

*External Oblique - INSERTION

Linea alba

Internal intercostal - ACTION

depress ribs

*Pectoralis Major - ACTION

flexes/ adducts arm medial rotation

*Pectoralis Major - ORIGIN

clavicle ribs sternum

*Pectoralis Major - INSERTION

humerus

*Pectoralis Minor - ACTION

Protraction abduction depression of scapula

*Pectoralis Minor - ORIGIN

ribs

*Pectoralis Minor - INSERTION

Coracoid process of scapula

*Rectus abdominis - ACTION

flexes spine and compresses abdomen

*Rectus abdominis - ORIGIN

pubis

*Rectus abdominis - INSERTION

xiphoid process of sternum and ribs 5-7

Serratus anterior - ACTION

protraction of scapula

Transversus abdominis - ACTION

lateral flexion of spine and compression of abdomen

*Linea alba - ACTION

vertical line connects left/ right rectus shealths

*Rectus Shealth - ACTION

Fibrous sleeve enclosing rectus abdominis