Thorax and Abdomen Flashcards
Runs from the base of the neck to the diaphragm
Thorax
What 3 things does the thorax contain?
Thoracic vertebrae, Ribcage, Sternum
Function of the Thorax?
Protect Respiratory and Circulatory organs. Assist the lungs in inspiration and expiration during the breathing process
Ribs 1-7
True Ribs
Ribs 8-10
False Ribs
Ribs 11-12
Floating Ribs
Between the ribs
Intercostals
Separates thorax from abdomen
Diaphragm
Contracts to allow for thoracic cavity to increase in size during inspiration
Diaphragm
Contracts and relaxes to allow for ribs to move during inspiration and expiration
Intercostals
How does the diaphragm contract?
Inferiorly
Causes air to be pulled into the lungs?
Diaphragm
Lies between diaphragm and pelvis
Abdomen
What does the diaphragm contain?
Vertebral column, Abdominal muscles, and Organs
Functions of the Abdomen?
Trunk movement and to protect organs
Functions of the Internal Oblique?
Helps diaphragm expand the thoracic cavity, Rotation, and Lateral Flexion
Functions of the External Oblique?
Trunk Flexion, Limited Rotation, and Lateral Flexion
Functions of the Rectus Abdominis?
Trunk Flexion and Assists in breathing
“Corset muscle”
Transverse Abdominis
Functions of the Transverse Abdominis
Thoracic cavity expansion, Labor delivery, and Core stability/bracing