Diaphragm Flashcards
1
Q
Origin of costal part?
A
7th to 12th ribs
inner surface; lower margin of costal arch
2
Q
Insertion of Diaphragm?
A
Central tendon
3
Q
Innervation of diaphragm?
A
Phrenic n. (C3-C5, Cervical Plexus)
4
Q
Action of Diaphragm?
A
Principal muscle of respiration
Aids in compressing abdominal viscera (abdominal press)
5
Q
Origin of medial, lumbar part?
A
L1-L3 vertebral bodies, intervertebral disks, anterior longitudinal ligament as right and left crura
6
Q
Origin of lateral, lumbar part?
A
Lateral and medial arcuate ligaments
7
Q
Origin of sternal part?
A
Xiphoid process (posterior surface)
8
Q
3 parts of diaphragm?
A
Costal, lumbar, sternal
