L; 11 pairs lie between ribs

O; inferior border of rib above

I; superior border of rib below

A; pull ribs toward one another to elevate rib cage

N; intercostal nerves

L; 11 pairs lie between ribs

O; superior border of rib below

I; inferior border of rib above

A; draw ribs together and depress rib cage

N; intercostal nerves

Diaphragm

L; forms floor of thoracic cavity

O; inferior, internal surface of rib cage and sternum, costal cartilages of last six ribs and lumbar vertebrae

I; central tendon

A; prime mover of inspiraion; flattens and contraction

N; Phrenic Nerves

L; medial superficial abdominal muscle

O; pubic crest and symphsis

I; xiphoid process and costal cartilages of ribs 5-7

A; Flex and rotate lumbar region of vertebral column

N; Intercostal nerves (T6 or T7-12)

L; largest and most superficial of three lateral muscles

O; fleshy strips from outer surface of lower eight ribs

I; linea alba and pubic crest

A; flex vertebral column and compress abdominal wall

N; intercoastal nerves T7-T12

L; deep to external oblique

O; lumbar fascia, iliac crest and inguinal ligament

I; linea alba, pubic crest and last 3-4 ribs

A; flex vertebral column and compress abdominal wall as well as trunk rotation and lateral flexion

N; Intercostal nerves (T7-T12)

L; deepest muscle of abdominal wall

O; inguinal ligament, lumbar fascia, cartilages of last six ribs

I; linea alba, public crest

A; compress abdominal contents

N; intercostal nerves

L; lateral fan shaped muscle originating from sacrum

O; iliac fossa and crest, ala of sacrum

I; lesser trochanter of femur via iliopsoas tendon

A; prime mover for flexing thigh or flexing trunk on thigh

N; femoral nerve (L2-L3)

L; medial, larger muscle to iliacus

O; fleshy slips from transverse processes, bodies and discs of lumbar vertebrae and T12

I; lesser trochanter of femur via iliopsoas tendon

A; prime mover in flexing thigh or trunk on thigh as well as lateral flexion of vertebral column

L; superficial muscle running across anterior surface of thigh to knee

O; anterior superior iliac spine

I; winds around medial aspect of knee and inserts into medial aspect of proximal tibia

A; flexes, abducts, and laterally rotates thigh, flexes knee

N; femoral nerve

L; pyramidal muscle located on posterior aspect of hip joint

O; anterolateral surface of sacrum

i; superior border of greater trochanter of femur

A; rotates extended thigh laterall

N; S1, S2, and L5

L; deep to superomedial aspect of thigh

A; Rotates extended thigh laterally

N; obturator nerve