exam2: sublumbar muscles

Question 1

what are the 5 sublumbar muscles

Answer 1

• Quadratus lumborum m.
• Psoas major m.
• Psoas minor m.
• Iliacus m.
• Iliopsoas m.= Psoas major +illiacus m

Question 2

Group of muscles that are located ventral to the lumbar vertebral bodies and transverse processes

Answer 2

Sublumbar muscles

Question 3

Sublumbar muscles are part of epaxial or hypaxial muscles

Answer 3

hypaxial

Question 4

origin of Psoas minor m.

Answer 4

bodies of last thoracic and lumbar vertebrae

Question 5

insertion of Psoas minor m.

Answer 5

iliopectinal eminence of coxal bone

Question 6

action of Psoas minor m.

Answer 6

Flex the lumbar vertebrae, flex the pelvis against the lumbar region

Question 7

attachments of Quadratus lumborum m.

Answer 7

bodies of last thoracic and
lumbar vertebrae, lumbar transverse processes, wing of the ilium

Question 8

action of Quadratus lumborum m.

Answer 8

Fix and lateral flexion of the
lumbar vertebrae

Question 9

origin of Iliacus m.

Answer 9

medial face of wing of ilium

Question 10

insertion of Iliacus m.

Answer 10

lesser trochanter with iliacus m.

Question 11

action of iliacus m.

Answer 11

flex the coxal joint, lateral rotation of the coxal joint

Question 12

origin of Psoas major m.

Answer 12

bodies and transverse processes of lumbar vertebrae

Question 13

insertion of Psoas major m.

Answer 13

lesser trochanter with iliacus m

Question 14

action of Psoas major m.

Answer 14

Flex the lumbar vertebrae, flex the coxal joint, lateral rotation of the coxal joint

Question 15

label 1-4

Answer 15

1. Psoas minor m.
2. Quadratus lumborum m.
3. Psoas major m
4. Iliopsoas m

Question 16

Label 1-3

Answer 16

1. Psoas minor m.
2. Psoas major m.
3. Quadratus lumborum m.