Muscles
acting on
something
acting on
something
The external intercostal m.
What is muscles of respiration?
The rhomboids and splenius muscles. (superficial, intermediate, or deep)
What is superficial?
This is the opening of the thoracic cavity to the neck and it is kidney shaped. It contains the trachea, esophagus, vessels, and nerves. (BONUS: give the borders)
What is the superior thoracic aperture? (BONUS: medial border of 1st rib, T1, and superior border of manubrium)
This contains remnant of thymus, lymph nodes, fat, and connective tissue.
What is anterior part of inferior mediastinum?
This is where the anterior interior intercostal arteries branch from.
What is the internal thoracic artery?
The external oblique and rectus abdominis.
What is muscles of abdomen?
The erector spinae muscles. (superficial, intermediate, or deep)
What is deep?
This is the opening from thoracic cavity to the abdomen. It is supported by the diaphragm and contains the inferior vena cava, esophagus, and aorta. (BONUS: give the borders)
What is inferior thoracic aperture? (BONUS: T12, 11 & 12th ribs, costal cartilage of ribs 7-10, and xiphosternal joint)
This contains pericardium, heart, roots of great vessels, arch of azygos vein, and main bronchi.
What is middle part of inferior mediastinum?
This is the most superficial muscle of the thoracic cage.
What is the external oblique muscle?
The pectoralis minor and serratus anterior.
What is muscles acting on scapula?
The serratus posterior inferior m. (superficial, intermediate, or deep)
What is intermediate?
This is the central compartment of the thoracic cavity. It is covered on each side with pleura. (BONUS: give the borders)
What is the mediastinum? (BONUS: 2 lateral compartments, superior thoracic aperture to diaphragm, sternum & costal cartilage to bodies of thoracic vertebra)
This contains esophagus, thoracic aorta, azygos/hemiazygos veins, thoracic duct, vagus nerves, sympathetic trunks, and splanchnic nerves.
What is the posterior part of inferior mediastinum?
This is the deepest muscle in the thoracic cage.
What is the innermost intercostal muscle?
The sternocleidomastoid.
What is the muscle of head and neck?
The latissimus dorsi and levator scapulae. (superficial, intermediate, or deep)
What is superficial?
This contains the superior vena cava, brachiocephalic veins, aortic arch, thoracic duct, trachea, esophagus, thymus, vagus nerve, left recurrent laryngeal, and phrenic nerve. (BONUS: give borders)
What is superior mediastinum? (BONUS: superior thoracic aperture to sternal angle and intervertebral discs of T4-T5)
This contains all thoracic viscera EXCEPT the lungs.
What is mediastinum?
This is where cancer will spread if it is in the superior part of the breast.
What are apical axillary lymph nodes?
The deltoid, latissimus, and pectoralis major.
What is the muscles action on the humerus?
The serratus posterior superior. (superficial, intermediate, or deep)
What is intermediate?
This covers the mediastinum and is similar to what covers the lungs.
What is mediastinal pleura?
These nerves supply the organs.
What are splanchnic nerves?
This is where cancer will spread if it is in the lateral part of the breast.
What are pectoral axially and apical lymph nodes?