QuestionSBA
QuestionChoice
The iliacus muscle is a major hip flexor. The hamstrings (biceps femoris, semimembranosus, semitendinosus muscles) and the gluteus maximus muscle are responsible for extension at the hip joint.
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b
It is important for flexion of the thigh and lateral rotation of the trunk
QuestionChoice
The main blood supply of the iliacus muscle is the iliolumbar artery however it does receive branches from the deep circumflex (arising from the external iliac), obturator and femoral arteries (arising from the internal iliac).
10009338
d
It receives its blood supply from the iliolumbar artery, a branch of the internal iliac artery
QuestionChoice
The iliacus can be distinctly identified as a triangular muscle that fans across the upper 2/3rds of the iliac fossa and joins the psoas major tendon before inserting onto the femur.
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c
It arises from the iliac fossa and inserts onto the lesser trochanter of the femur
QuestionChoice
The iliacus muscle is found on the posterior abdominal wall. Other muscles found here include the posterior aspect of the diaphragm, quadratus lumborum and psoas minor.
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e
It joins with the psoas major muscle to form the iliopsoas muscle
QuestionChoice
The iliacus muscle is innervated by the femoral nerve which also arises from L2-L4.
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a
It is innervated by the obturator nerve, arising from L2-L4
Concept
Chapter
2693
5336
Posterior abdominal wall muscles
Topic
197
Abdominal anatomy
14415
Picture
1774
117 - Posterior Abdominal Wall Muscles (right iliacus).png
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Topic
197
Abdominal anatomy
Which of the following is not true of the muscle pointed to by the arrow?

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a