Anatomy Final - Muscles

Lower Limb & Trunk

piriformis (O)

anterior surface of sacrum 2 to 4

superior margin of greater sciatic notch

sacrotuberous ligament

piriformis (I)

superior border of greater trochanter of femur

piriformis (N)

nerve to piriformis

piriformis (B)

superior & inferior gluteal arteries

piriformis (A)

lateral rotation of thigh

abduction of flexed thigh

gemellus superior (O)

ischial spine

gemellus superior (I)

greater trochanter of femur

gemellus superior (N)

nerve to obturator internus

gemellus superior (B)

inferior gluteal artery 

gemellus superior (A)

lateral rotation of thigh

obturator internus (O)

pelvic surface of ilium & ischium

obturator membrane 

obturator internus (I)

greater trochanter of femur

obturator internus (N)

nerve to obturator internus

obturator internus (B)

inferior gluteal artery

obturator internus (A)

lateral rotation of thigh

gemellus inferior (O)

ischial tuberosity

gemellus inferior (I)

greater trochanter of femur

gemellus inferior (N)

nerve to quadratus femoris

gemellus inferior (B)

inferior gluteal artery

gemellus inferior (A)

lateral rotation of thigh

obturator externus (O)

margin of the obturator foramen

obturator membrane 

obturator externus (I)

trochanteric fossa of femur 

obturator externus (N)

obturator nerve

obturator externus (B)

obturator artery

obturator externus (A)

lateral rotation of thigh

quadratus femoris (O)

lateral border of ischial tuberosity 

quadratus femoris (I)

intertrochanteric crest of femur

quadratus femoris (N)

nerve to quadratus femoris

quadratus femoris (B)

inferior gluteal artery

quadratus femoris (A)

lateral rotation of thigh

gluteus maximus (O)

ilium

posterior to posterior gluteal line

posterior surface of sacrum & coccyx

sacrotuberous ligaments 

gluteus maximus (I)

iliotibial tract (lateral condyle of tibia)

gluteal tuberosity

gluteus maximus (N)

inferior gluteal nerve

gluteus maximus (B)

superior & inferior gluteal arteries

gluteus maximus (A)

extension at hip

lateral rotation of thigh

gluteus medius (O)

external surface of ilium btwn anterior & posterior gluteal lines

gluteus medius (I)

lateral surface of greater trochanter of femur

gluteus medius (N)

superior gluteal nerve

gluteus medius (B)

superior gluteal artery 

gluteus medius (A)

abduction of thigh

medial rotation

gluteus minimus (O)

external surface of ilium bten anterior & inferior gluteal lines

gluteus minimus (I)

anterior surface of greater trochanter of femur

gluteus minimus (N)

superior gluteal nerve

gluteus minimus (B)

superior gluteal artery

gluteus minimus (A)

abduction of thigh

medial rotation of thigh

iliacus (O)

iliac crest

iliac fossa

ala of sacrum

anterior sacro-iliac ligament 

iliacus (I)

lesser trochanter of femur

iliacus (N)

femoral nerve

iliacus (B)

femoral artery

iliacus (A)

flexion at hip

psoas major (O)

bodies & transverse processes of T12-L5

psoas major (I)

lesser trochanter of femur

psoas major (N)

anterior rami of L1-L3

psoas major (B)

lumbar arteries

iliolumbar artery

psoas major (A)

flexion at hip

psoas minor (O)

bodies & transverse processes of L1

psoas minor (I)

superior ramus of pubis

psoas minor (N)

anterior rami of L1 & L2

psoas minor (B)

lumbar arteries

iliolumbar artery

psoas minor (A)

tilts pelvis posteriorly

creates lordotic curvature in lumbar spine

sartorius (O)

ASIS

sartorius (I)

proximal, medial surface of tibia

sartorius (N)

femoral nerve

sartorius (B)

femoral artery

sartorius (A)

flexion, abduction, & lateral rotation at hip

flexion at knee

tensor fasciae latae (O)

ASIS 

anterior part of iliac crest

tensor fasciae latae (I)

iliotibial tract

tensor fasciae latae (N)

superior gluteal nerve

tensor fasciae latae (B)

lateral femoral circumflex artery

tensor fasciae latae (A)

abduction & flexion of thigh

pectineus (O)

superior ramus of pubis

pectineus (I)

pectineal line of femur (inferior to lesser trochanter)

pectineus (N)

femoral nerve

pectineus (B)

medial circumflex artery

pectineus (A)

flexion, adduction, & medial rotation of thigh

adductor magnus (O)

inferior ramus of pubis

ischial ramus

ischial tuberosity

adductor magnus (I)

gluteal tuberosity

linea aspera

medial supracondylar line

adductor tubercle of femur

adductor magnus (N)

adductor - obturator nerve

hamstring - tibial part of sciatic nerve

adductor magnus (B)

medial circumflex femoral artery

inferior gluteal artery

perforating deep femoral artery

obturator artery

adductor magnus (A)

adduction, flexion, & extension of thigh

adductor longus (O)

body of pubis inferior to pubic crest

adductor longus (I)

middle 1/3 of linea aspera of femur

adductor longus (N)

obturator nerve

adductor longus (B)

medial circumflex artery

adductor longus (A)

adduction of thigh

adductor brevis (O)

body & inferior ramus of pubis

adductor brevis (I)

pectineal line & medial lip of linea aspera of femur

adductor brevis (N)

obturator nerve

adductor brevis (B)

medial circumflex artery

adductor brevis (A)

adduction of thigh

gracilis (O)

body & inferior ramus of pubis

gracilis (I)

proximal part of medial surface of tibia

gracilis (N)

obturator nerve

gracilis (B)

medial circumflex femoral artery 

gracilis (A)

adduction of thigh

flexion of thigh

rectus femoris (O)

AIIS

rectus femoris (I)

quadriceps tendon

tibial tuberosity (via patellar ligament)

rectus femoris (N)

femoral nerve

rectus femoris (B)

lateral femoral circumflex artery

rectus femoris (A)

extension at knee