O, N, I, A - LE

Gastrocnemius - Origin

Lateral and medial femoral condyle

Gastrocnemius - Insertion

Calcaneus via Achilles tendon

Gastrocnemius - Nerve

tibial nerve (S1, S2)

Soleus - Origin

soleal line, proximal posterior surface of tibia, posterior aspect of head of fibula

Soleus - Insertion

Calcaneus via Achilles tendon

Soleus - Innervation

tibial nerve (L5, S1, S2)

Fibularis Longus - Origin

head of fibula and proximal 2/3rds of lateral fibula

Fibularis Longus - Insertion

base of 1st metatarsal and medial cuneiform

Fibularis Longus - Innervation

superficial fibular (L4, L5, S1)

Fibularis Brevis - Origin

distal 2/3rds of lateral fibula

Fibularis Brevis - Insertion

base of 5th metatarsal

Fibularis Brevis - Innervation

superficial fibular (L4, L5, S1)

Tibialis Anterior - Origin

lateral condyle of tibia, proximal lateral surface of tibia, interosseous membrane

Tibialis Anterior - Insertion

base of 1st metatarsal and medial cuneiform

Tibialis Anterior - Innervation

deep fibular (L4, L5, S1)

Extensor Digitorum Longus - Origin

lateral condyle of tibia, proximal anterior shaft of fibula, interosseous membrane

Extensor Digitorum Longus - Insertion

middle and distal phalanges of 2nd-5th toes

Extensor Digitorum Longus - Innervation

deep fibular nerve (L4, L5, S1)

Extensor Hallucis Longus - Origin

middle, anterior shaft of fibula, interosseous membrane

Extensor Hallucis Longus - Innervation

deep fibular nerve (L4, L5, S1)

Tibialis Posterior - Origin

proximal posterior shaft of tibia and fibula, interosseous membrane

Tibialis Posterior - Insertion

all 5 tarsal bones and 2nd-4th metatarsals

Tibialis Posterior - Innervation

tibial (L5, S1)

Flexor Digitorum Longus - Origin

middle, posterior surface of tibia

Flexor Digitorum Longus - Insertion

distal phalanges of 2nd-5th toes

Flexor Digitorum Longus - Innervation

tibial (L5, S1)

Flexor Hallucis Longus - Origin

middle half of posterior fibula

Flexor Hallucis Longus - Insertion

distal phalanx of 1st toe

Flexor Hallucis Longus - Innervation

tibial (L5, S1)

TFL - Origin

iliac crest, posterior to ASIS

TFL - Insertion

iliotibial tract

TFL - Innervation

superior gluteal (L4, L5, S1)

Sartorius - Origin

ASIS

Sartorius - Insertion

proximal, medial shaft of the tibia at pes anserinus tendon

Sartorius - Innervation

femoral (L2, L3, L4)

Psoas Major - Origin

bodies and TPs of lumbar vertebrae

Psoas Major - Insertion

lesser trochanter

Psoas Major - Innervation

lumbar plexus (L1, L2, L3, L4)

Iliacus - Origin

iliac fossa

Iliacus - Insertion

lesser trochanter

Iliacus - Innervation

femoral (L2, L3, L4)

Rectus Femoris - Origin

AIIS

Rectus Femoris - Insertion

tibial tuberosity via patellar ligament

Rectus Femoris - Innervation

femoral (L2, L3, L4)

Vastus Medialis - Origin

medial lip of linea aspera

Vastus Medialis - Insertion

tibial tuberosity via patellar tendon

Vastus Medialis - Innervation

femoral (L2, L3, L4)

Vastus Lateralis - Origin

lateral lip of linea aspera, gluteal tuberosity, greater trochanter

Vastus Lateralis - Insertion

tibial tuberosity via patella tendon

Vastus Lateralis - Innervation

femoral (L2, L3, L4)

Vastus Intermedius - Origin

anterior and lateral shaft of femur

Vastus Intermedius - Insertion

tibial tuberosity via patellar tendon

Vastus Intermedius - Innervation

tibial tuberosity via patellar tendon

Pectineus - Origin

superior ramus of pubis

Pectineus - Insertion

pectineal line of femur

Pectineus - Innervation

femoral and obturator (L2, L3, L4)

Adductor Brevis - Origin

inferior ramus of pubis

Adductor Brevis - Insertion

pectineal line and medial lip of linea aspera

Adductor Brevis - Innervation

obturator (L2, L3, L4)

Adductor Longus - Origin

pubic tubercle

Adductor Longus - Origin

pectineal line and medial lip of linea aspera

Adductor Longus - Innervation

obturator (L2, L3, L4)

Adductor Magnus - Origin

inferior ramus of pubis, ramus of ischium, and ischial tuberosity

Adductor Magnus - Insertion

medial lip of linea aspera and adductor tubercle

Adductor Magnus - Innervation

obturator (L2, L3, L4) and sciatic (L4, L5, S1)

Gracilis - Origin

inferior ramus of pubis

Gracilis - Insertion

proximal, medial shaft of tibia at pes anserinus tendon

Gracilis - Innervation

obturator (L2, L3, L4)

Gluteus Maximus - Origin

coccyx, edge of sacrum, posterior iliac crest, sacrotuberous and sacroiliac ligaments

Gluetus Maximus - Insertion

iliotibial tract (upper fibers) and gluteal tuberosity (lower fibers)

Gluetus Maximus - Innervation

inferior gluteal (L5, S1, S2)

Gluteus Medius - Origin

gluteal surface of ilium, between posterior and anterior gluteal lines, just below iliac crest

Gluteus Medius - Insertion

lateral aspect of greater trochanter

Gluteus Medius - Innervation

superior gluteal (L4, L5, S1)

Gluteus Minimis - Origin

gluteal surface of the ilium between the anterior and inferior gluteal lines

Gluteus Minimis - Insertion

anterior aspect of greater trochanter

Gluteus Minimis - Innervation

superior gluteal (L4, L5, S1)

Piriformis - Origin

Anterior surface of sacrum

Piriformis - Insertion

superior aspect of greater trochanter

Piriformis - Innervation

sacral plexus (S1, S2)

Gemellus Superior - Origin

ischial spine

Gemellus Superior - Insertion

medial surface of greater trochanter

Gemellus Superior - Innervation

sacral plexus (L5, S1)

Obturator Internus - Origin

obturator membrane and inferior surface of obturator foramen

Obturator Internus - Insertion

medial surface of greater trochanter

Obturator Internus - Innervation

sacral plexus (L5, S1)

Gemellus Inferior - Origin

ischial tuberosity

Gemellus Inferior - Insertion

medial surface of greater trochanter

Gemellus Inferior - Innervation

sacral plexus (L4, S1)

Obturator Externus - Origin

rami of pubis and ischium, obturator membrane

Obturator Externus - Insertion

trochanteric fossa of femur

Obturator Externus - Innervation

obturator (L3, L4)

Quadratus Femoris - Origin

lateral border of ischial tuberosity

Quadratus Femoris - Insertion

quadrate tubercle on intertrochanteric crest, between the greater and lesser trochanters

Quadratus Femoris - Innervation

sacral plexus (L5, S1)

Biceps Femoris Long Head - Origin

ischial tuberosity

Biceps Femoris Short Head - Origin

lateral lip of linea aspera

Biceps Femoris Long and Short Head - Insertion

head of fibula

Biceps Femoris Long Head - Innervation

sciatic - tibial branch (L5, S1, S2, S3)

Biceps Femoris Short Head - Innervation

sciatic - fibular branch (L5, S1, S2)