Lower Limb Part 3

Question 1

the ___and __ intercostals are for elevation of the ribs

Answer 1

external and interchondral. INSPIRATION

Question 2

the __ are for the depression of the ribs

Answer 2

the internal interosseous interchondrals for EXPIRATION

Question 4

OIF of external and internal intercostals

Answer 4

O; inferior border of ribs

I; superior border of ribs

F; external and intercondral= elevation, interosseus = depression

Question 5

list the ab muscles from superficial to deep

Answer 5

1. external
2. internal
3. transverse
   - rectus in the center of body

Question 6

OIF of external obliques

Answer 6

O; originates from ribs 5-12

I; inserts into the iliac crest and pubic tubercle

F; compress and protect the abdomen, rotate and flexion

Question 7

OIF of itnernal obliques

Answer 7

O: iliac crest and lumbodorsal fascia,

I; ribs 10-12

F; bilateral contraction compresses the abdomen ,while unilateral contraction ipsilaterally rotates the torso

Question 8

OIF transcersus abdominins

Answer 8

O; inguinal ligament, costal cartilages 7-12, the iliac crest and thoracolumbar fascia

I; conjoint tendon, xiphoid process, linea alba, and pubic crest

F; compression and support of the abdominal viscera

Question 9

Rectus abdominis OIF

Answer 9

O; pubic symphysis and crest

I; xiphoid process and csotal cartilags 5-7

F; 6 pack, compression and support of the abdominal viscera, flexion of trunk

Question 10

5 muscles that are DEEP HYPAXIAL POSTERIOR ABDOMINAL MUSCLES (they’re hypaxial and thus anteriorly innervated, but they’re posterior because of events in embryogenesis)

Answer 10

e iliacus, psoas major, psoas minor, quadratus lumborum and the diaphragm.

Question 11

hypaxial muscles are the muscles anterior to the middle layer of the ___ ___

Answer 11

thoracolumbar fascia

Question 12

Quadratus lumborum- hypaxial or epaxial?
OIF

Answer 12

HYPAXIAL- anterior to the thoracolumbar fascia (still on the “back” thoguh)

O: 12th ribs and lumbar transverse processes

I; iliac crest

F; extension and lateral flexion of vertebral column

Question 13

Psoas major OIF– hypaxial or epaxial?

Answer 13

hypaxial because it’s anterior to the thoracolumbar fascia

O; lumbar vertebrae

I; goes down the hip to attach to the lesser trochanter of the femur

F; flexioni of the hip and flexiono f trunk

Question 14

iliacus: hypaxial or epaxial?

OIF

Answer 14

hypaxial– part of the deep hypaxial posterior muscle component – also art of “anteiror hip” component

O; iliac fossa anterior

I; lesser trochanter of the femur

flexion of hip and flexion of trunk

Question 15

Answer 15