1
Q
What is the action of the rhomboid major?
A
Retractor and rotator of the scapula; fixes scapula to thoracic wall
2
Q
What is the action of the rhomboid minor?
A
Retractor and rotator of the scapula; fixes scapula to thoracic wall
3
Q
What is the action of the serratus posterior superior?
A
Levator of the ribs
4
Q
What is the action of the serratus posterior inferior?
A
Depressor and outward puller of the ribs (counteracts diaphragm)
5
Q
What is the action of the erector spinae muscles?
A
Extension of the vertebral column and head; bends the vertebral column
