Actions of the Trunk Flashcards
Trapezius actions of Superior, middle, and inferior fibers
Innervation?
Superior: Elevation of Scapula
Middle: Retraction of Scapula
Inferior: Depression of Scapula
I: Accessory CN XI
Latissimus dorsi
Extension of arm
Rhomboid major
Elevation of scapula
Levator scapulae
Elevation of scapula
Splenius capitis
Extension of neck
Semispinalis capitis
Extension of neck
Erector spinae group
Extension of vertebral column
The iliocostalis group is…
most lateral
The longissimus grouo is…
lateral to spinalis group
The spinalis group is…
most medial
Rectus abdominis
flexion of trunk
External oblique
flexion of trunk
Internal oblique
flexion of trunk
Transverse abdominis
compress abdominal wall during forced exhalation
Quadratus lumborum
extension of trunk