Section 1
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membranous
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Last updated
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Date created
Mar 1, 2020
Cards (91)
Section 1
(50 cards)
membranous
In contrast to Camper's fascia, Scarpa's fascia is ____________ in structure.
[1] Bones: lumbar vertebrae, sacrum, wings of the ilium and ribs [2] Muscles: diaphragm, iliacus, psoas major, quadratus lumborum
What structures make up the posterior abdominal wall?
xiphoid process
Locate T7.
[1a] Spermatic cord (males) [1b] Uterine round ligament (females) [2] Inguinal nerve [3] Gonadal arteries [4] Lymphatic vessels
What is contained in the inguinal canal?
[1 & 2] flex and rotate trunk, laterally rotate the trunk, compress abdominal contents [3] trunk flexion and tenses anterior abdominal wall [4] compress and support abdominal viscera
Actions [1] External Oblique [2] Internal Oblique [3] Rectus Abdominis [4] Transverse Abdominis
tendinous intersections
One quadrat of the rectus abdominis is separated from its vertical neighbor quadrat(s) by ______________.
superior epigastric artery
An important branch of the internal thoracic artery is the __________.
fascia lata of the thigh
Scarpa's fascia becomes continuous with the ___________.
Skin → Camper's fascia → Scarpa's fascia → External oblique → fascia → Internal oblique → fascia → Transverse abdominis → Transversalis fascia → extraperitoneal fat → Peritoneum
A needle piercing the abdominal wall lateral to the rectus abdominis would move through what layers?
O: transverse processes, bodies and intervertebral discs of T12-L5 I: lesser trochanter
Origin & Insertion: Psoas Major
[1] superior pubic ligament [2] inferior pubic ligament
Name the two ligaments that stabilize the pubic symphysis.
O: bodies of vertebrae T12 and L 1 and the disc in-between I: pubic bone
Origin & Insertion: Psoas Minor
N: subcostal and upper lumbar ventral primary rami A: lateral trunk flexion; trunk extension; hip elevation; stabilize rib 12 against inspiration
Action & Innervation: Quadratus Lumborum
[1] enter posterior to the rectus sheath [2] anastomose at the rectus abdominis
Where do the superior and inferior epigastric arteries anastomose?
fat
Camper's fascia is largely composed of __________.
N: femoral nerve A: hip flexion
Action & Innervation: Iliacus
rectus sheath
The dense fibrous sheath enclosing the rectus abdominis muscle is called the _____________.
O: Thoracolumbar fascia, anterior iliac crest, lateral half of inguinal ligament I: linea alba, pubic crest, inferior surface of ribs 10-12
Origin & Insertion: Internal Oblique
N: ventral primary rami of L2-L4 A: hip flexion; trunk lateral flexion
Action & Innervation: Psoas Major
O: iliac crest, iliolumbar ligament, and transverse processes of lower Lumbar vertebrae I: rib 12, transverse process of upper lumbar vertebrae
Origin & Insertion: Quadratus Lumborum
Pyramidalis
The ___________ muscle is absent in 20% of people.
[1] external oblique aponeurosis [2] ½ of internal oblique aponeurosis
Above the umbilicus, the anterior abdominal wall is composed of what?
Inferior epigastric artery
An important branch of the external iliac artery is the __________.
O: pubic symphysis, pubic crest I: xiphoid process, costal cartilage 5-7
Origin & Insertion: Rectus Abdominis
T7-T11
What is the range for the thoracoabdominal nerves?
rectus sheath
The __________ is formed by fusion of abdominal muscle aponeuroses.
L1
Indicate the source(s) of this nerve: Iliohypogastric nerve
linea alba
The _____________ is a fibrous structure that runs down the midline of the abdomen from the xiphoid process to the pubic symphysis.
Thoracoabdominal nerves
The Anterior cutaneous branches and Lateral cutaneous branches are branches of the ______________.
arcuate line
The point of transition where all 3 abdominal muscle aponeuroses pass anteriorly over the rectus abdominis is marked by the __________.
[1] ½ of internal oblique aponeurosis [2] transverse abdominis aponeurosis
Above the umbilicus, the posterior abdominal wall is composed of what?
linea alba
The anterior and posterior abdominal walls meet and fuse in the anterior median line called the ___________.
[1] ilium [2] ischium [3] pubis
List the 3 elements of the os coxae.
O: iliac fossa I: lesser trochanter
Origin & Insertion: Iliacus
O: pubic symphysis and pubic crest I: linea alba A: tensing the linea alba N: subcostal nerve (T12)
Origin, Insertion, Action, and Innervation: Pyramidalis
N: ventral primary ramus of L 1 A: hip flexion; trunk flexion
Action & Innervation: Psoas Minor
lateral raphe
Contraction of the transverse abdominis causes tension on the __________, which is associated with the ITS complex.
umbilicus
Locate T10.
Caput Medusae
Dilated veins around the umbilicus, associated with cirrhosis of the liver are called _________.
A thin fascial film (transversalis fascia) protects the rectus abdominis from rubbing against the abdominal contents.
Below the umbilicus (posteriorly), describe the nature of the abdominal muscle aponeuroses.
O: external surface of ribs 5-12 I: linea alba, pubic crest, iliac crest, pubic symphysis
Origin & Insertion: External Oblique
[All Same] A) T7-T12 B) iliohypogastric nerve * T12 = subcostal nerve
Innervation [1] External Oblique [2] Internal Oblique [3] Rectus Abdominis [4] Transverse Abdominis
T12
Lateral and Anterior cutaneous branches of the subcostal nerve arise from which spinal nerve?
inguinal ligament
The _________ is a fibrous band extending from the anterior superior iliac spine to the pubic tubercle.
inguinal hernia
The protrusion of GI contents through a weak place in the lower abdominal wall or groin is called a(an) ___________.
The aponeuroses of all 3 muscles pass anteriorly over the rectus abdominis.
Below the umbilicus (anteriorly), describe the nature of the abdominal muscle aponeuroses.
external oblique aponeurosis
The inguinal ligament is formed by folds of the ________.
[1] iliohypogastric [2] ilioinguinal
Which 2 relevant nerves arise from L1?
O: thoracolumbar fascia, iliac crest, lateral one third of the inguinal ligament, internal surface of costal cartilage 7 to 12 I: linea alba, pubic crest, pubic symphysis
Origin & Insertion: Transverse Abdominis
pubis
Locate L1.
Section 2
(41 cards)