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Anatomy Lab 4-7

Terms in this set (44)

External intercostal superior attachment
Inferior border of the rib above
External intercostal inferior attachment
Superior border of the rib below
External intercostal action
Elevates the rib below
External intercostal innervation
Intercostal nn.
Internal intercostal superior attachment
Inferior border of the rib above
Internal intercostal inferior attachment
Superior border of the rib below
Internal intercostal action
Depresses the rib above
Internal intercostal innervation
Intercostal nn.
Innermost intercostal superior attachment
Inferior border of the rib above
Innermost intercostal inferior attachment
Superior border of the rib below
Innermost intercostal action
Depresses the rib above
Innermost intercostal innervation
Intercostal nn.
external oblique proximal attachment
External surfaces of ribs 5-12
external oblique distal attachment
Linea alba, pubic crest and tubercle, and anterior half of the iliac crest
external oblique actions
Compresses and supports abdominal viscera; flexes and rotates the trunk
external oblique innervation
Thoracoabdominal nn. T7-T11 and subcostal n.
internal oblique proximal attachment
Thoracolumbar fascia, iliac crest, and lateral half of inguinal ligament
internal oblique distal attachment
Inferior borders of ribs 10-12, linea alba, pubic crest, and pecten pubis via conjoint tendon
internal oblique actions
Compresses and supports abdominal viscera; flexes and rotates the trunk
internal oblique innervation
Thoracoabdominal nn. T7-T11, subcostal n., and L1
transversus abdominis proximal attachment
Internal surfaces of costal cartilages 7-12, thoracolumbar fascia, and iliac crest
transversus abdominis distal attachment
Linea alba with internal oblique, pubic crest, and pecten pubis via conjoint tendon
transversus abdominis action
Compresses and supports abdominal viscera; flexes and rotates the trunk
transversus abdominis innervation
Thoracoabdominal nn. T7-T11, subcostal n., and L1
rectus abdominis proximal attachment
Xiphoid process, costal cartilages 5-7
rectus abdominis distal attachment
Pubic symphysis and pubic crest
rectus abdominis action
Flexes trunk, assists in pelvic tilt, and compresses abdominal viscera
rectus abdominis innervation
Thoracoabdominal nn. T7-T11 and subcostal n.
psoas major proximal attachment
Lumbar vertebrae (bodies, intervertebral discs, and transverse processes)
psoas major distal attachment
Lesser trochanter of the femur
psoas major action
Flexes the thigh and extends the vertebral column
psoas major innervation
L1-L4 (anterior rami)
psoas minor proximal attachment
Lateral surface of T12 and L1
psoas minor distal attachment
Iliopubic eminence and arcuate line of the ilium
psoas minor action
Tilts pelvis posteriorly
psoas minor innervation
L1-L2 (anterior rami)
iliacus proximal attachment
iliac fossa
iliacus distal attachment
lesser trochanter of femur
iliacus action
flexes thigh
iliacus innervation
femoral n.
quadratus lumborum proximal attachment
12th rib and lumbar transverse processes
quadratus lumborum distal attachment
Iliolumbar ligament and iliac crest
quadratus lumborum action
Flexes vertebral column laterally and anchors the rib cage during respiration
quadratus lumborum innervation
T12-L4 (anterior rami)
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