gross anatomy exam 2

gluteus maximus action

hip extension (and lateral rotation)

gluteus maximus innervation

inferior gluteal n. (also superior usually)

lesser gluteals actions

hip abduction (and medial rotation)

lesser gluteals innervation

superior gluteal n

Iliocoastalis origin

common tendon (the thoracolumbar fascia)

Iliocoastalis insertion

angle of ribs 1-12

Iliocoastalis innervation

dorsal rami C3-L5

Longissimus origin

common tendon, transverse processes of T1-5

Longissimus insertion

tubercle and angle of the ribs 3-12, transverse processes and C2-7

Longissimus innervation

dorsal rami C3-L5

Spinalis origin

common tendon, nuchal l, spinous processes C7-T1

Spinalis insertion

spinous processes of thoracic vertebrae, C2

spinalis innervation

dorsal rami C3-L5

multifidus origin lumbar

common tendon, posterior sacrum, PSIS

multifidus origin thoracic

transverse processes T1-12

multifidus origin cervical

articular processes C3-7

multifidus insertion

transverse processes of vertebrae located 2-4 segments superiorly

multifidus innervation

dorsal rami C4-S3

rotatores origin

transverse processes of all vertebrae

rotatores insertion

base of spinous processes, 1-2 segments superiorly

rotatores innervation

dorsal rami C4-L4

semispinalis origin

transverse processes T10-C7

semispinalis insertion

spinous processes T4-C2

semispinalis innervation

dorsal rami C1-T6

levatores costarum origin

transverse processes C7-T10

levatores costarum insertion

angle of the rib, 1-2 segments inferior to the origin

levatores costarum innervation

dorsal rami C7-T11

interspinalis muscles attachments

attached between adjacent spinous processes cervical and lumbar vertebrae (not C1-2)

interspinalis muscles innervation

dorsal rami C3-L5

intertransversarius muscles attachment

attached between adjacent transverse processes of all cervical , lower thoracic and lumbar vertebrae

intertransversarius muscles innervation

dorsal rami C3-L5

iliopsoas origin

transverse procesesses, bodies, discs of T12-L5, iliac fossa

iliopsoas insertion

lesser trochanter

iliopsoas innervation

L1-3

Iliopsoas action

hip flexion

Sartorius action

hip flexion

sartorius origin

ASIS

sartorius insertion

Pes anserinus

sartorius innervation

femoral nerve

tensor fascia latae action

hip flexion, hip abduction, medial rotation

tensor fascia latae origin

ASIS, iliac crest

tensor fascia latae insertion

IT band

tensor fascia latae innervation

superior gluteal nerve

rectus femoris action

hip flexion, knee extension

rectus femoris origin

AIIS

rectus femoris insertion

tibial tuberosity

rectus femoris innervation

femoral nerve

Pectineus action

hip flexion, hip adduction

Pectineus origin

superior pubic ramus

Pectineus insertion

inferior to lesser trochanter

Pectineus innervation

femoral and obturator nerve

adductor longus action

hip flexion, hip adduction

adductor longus origin

body of pubic ramus

adductor longus insertion

linea aspera

adductor longus innervation

obturator nerve

adductor brevis action

hip flexion, hip adduction

adductor brevis origin

inferior pubic ramus

adductor brevis insertion

linea aspera

adductor brevis innervation

obturator nerve

gluteus maximus action

hip extension, hip adduction, lateral rotation

gluteus maximus origin

ilium, posterior and inferior sacrum, coccyx, sacrotuberous ligament

gluteus maximus insertion

IT band, gluteal tuberosity

gluteus maximus innervation

inferior gluteal nerve

semitendinosus action

hip extension, knee flexion, medial rotation with knee flexed

semitendinosus origin

ischial tuberosity

semitendinosus insertion

pes anserinus

semitendinosus innervation

tibial neve

semimembranosus action

hip extension, knee flexion, medial rotation with knee flexed

semimembranosus origin

ischial tuberosity

semimembranosus insertion

posterior medial condyle of tibia

semimembranosus innervation

tibial nerve

long head biceps femoris action

hip extension, knee flexion, lateral rotation of knee

long head biceps femoris origin

ischial tuberosity

long head biceps femoris insertion

head of fibula

long head biceps femoris innervation

tibial nerve

adductor magnus (posterior) action

hip extension

adductor magnus (posterior) origin

ischial tuberosity

adductor magnus (posterior) insertion

adductor tubercle

adductor magnus (posterior) innervation

tibial nerve

gluteus medius action

hip abduction, medial rotation

gluteus medius origin

superior to superior gluteal line

gluteus medius insertion

greater trochanter, lateral and superior posterior facets

gluteus medius innervation

superior gluteal nerve

gluteus minimus action

hip extension, medial rotation

gluteus minimus origin

between anterior and inferior gluteal lines

gluteus minimus insertion

greater trochanter , anterior facet

gluteus minimus innervation

superior gluteal nerve

gracilis action

hip adduction

gracilis origin

inferior body of pubis and inferior pubic ramus

gracilis insertion

pes anserinus

gracilis innervation

obturator nerve

obturator internus action

lateral rotation of hip

obturator internus origin

internal surface of obturator

obturator internus insertion

greater trochanter (medial)

obturator internus innervation

nerve to obturator inturnus (L5-S1)

piriformis action

lateral rotation of hip

piriformis origin

anterior sacrum

piriformis insertion

greater trochanter (apex)

piriformis innervation

S1-2

obturator externus action

lateral rotation of hip