External intercostal muscles
External intercostal muscles are eleven in number on both sides.
origin:
Lower border of ribs.
Insertion :
Upper border of rib below.
Nerve:
intercostal nerves.
Actions:
Inhalation.
External intercostal muscles are eleven in number on both sides.
origin:
Lower border of ribs.
Insertion :
Upper border of rib below.
Nerve:
intercostal nerves.
Actions:
Inhalation.
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