Anterior Compartment of the Thigh

MuscleProximal AttachmentDistal AttachmentInnervationAction
IliacusIlaic fossaLesser trochanterFemoral n.Flex thigh
Psoas MajorLumbar vertebraeLesser trochanterLumbar plexusFlex thigh
SartoriusASISMedial proximal tibiaFemoral n.Flex, abduct, and ER thigh
Rectus FemorisAIISTibial tuberosity via patellar ligamentFemoral n.Flex thigh, extend leg
Vastus LateralisFemoral shaftTibial tuberosity via patellar ligamentFemoral n.Extend leg
Vastus MedialisFemoral shaftTibial tuberosity via patellar ligamentFemoral n.Extend leg
Vastus IntermediusFemoral shaftTibial tuberosity via patellar ligamentFemoral n.Extend leg

Medial Compartment of the Thigh

PectineusPubisLinea asperaFemoral n.Adduct thigh
Adductor LongusPubisLinea asperaObturator n.Adduct thigh
Adductor BrevisPubisLinea asperaObturator n.Adduct thigh
Adductor MagnusPubis and ischial tuberosityLinea aspera and adductor tubercleObturator n. + tibial n.Adduct + extend thigh
GracilisPubisMedial side of tibia via pes anserinusObturator n.Adducts thigh, flexes + IR leg

Posterior Compartment of the Thigh

SemitendinosusIschial tuberosityMedial proximal tibia via pes anserinusTibial division of sciatic n.Extend thigh, flex + IR leg
SemimembranosusIschial tuberosityPosterior part of medial tibial condyleTibial division of sciatic n.Extend thigh, flex + IR leg
Biceps FemorisLong head – ischial tuberosity

Short head – linea aspera

Head of fibulaLong head – tibial division of sciatic n.

Short head – common fibular division of sciatic n.

Extend thigh, flex and ER leg

Gluteal Region

Tensor Fascia LataASISIliotibial tract to lateral condyle of tibiaSuperior gluteal n.Trunk stabilization, flexion + ABDuction + IR of the thigh
Gluteus MaximusIlium, sacrum, coccyxIliotibial tract and gluteal tuberosityInferior gluteal n.Extend + ER thigh
Gluteus MediusExternal surface of iliumGreater trochanterSuperior gluteal n.ABDuct + IR thigh
Gluteus MinimusExternal surface of iliumGreater trochanterSuperior gluteal n.ABDuct + IR thigh
PiriformisAnterior surface of sacrumGreater trochanterSacral plexus (S1-S2)ER of thigh
Superior GemellusIschial spineGreater trochanterN. to obturator internusER of thigh
Obturator InternusObturator foramen – internallyGreater trochanterN. to obturator internusER of thigh
Inferior GemellusIschial tuberosityGreater trochanterN. to quadratus femorisER of thigh
Quadratus FemorisIschial tuberosityIntertrochanteric crestN. to quadratus femorisER of thigh
Obturator ExternusObturator foramen – externallyTrochanteric fossaObturator n.ADDuct + ER thigh

Anterior Compartment of the Leg

Tibialis AnteriorTibia – Fibula1st metatarsalDeep fibular n.Dorsiflex + invert foot
Extensor Digitorum LongusTibia – FibulaMiddle and distal phalanges of 2nd-5th digitsDeep fibular n.Dorsiflex foot, extend lateral 4 toes
Extensor Hallucis LongusTibia – FibulaDistal phalanx of 1st digitDeep fibular n.Dorsiflex foot, extend hallux
Fibularis TertiusTibia – Fibula5th metatarsalDeep fibular n.Dorsiflex + evert foot

Lateral Compartment of the Leg

Fibularis LongusFibula1st metatarsalSuperficial fibular n.Plantarflex + evert foot
Fibularis BrevisFibula5th metatarsal (tuberosity)Superficial fibular n.Plantarflex + evert foot

Posterior Compartment of the Leg

GastrocnemiusCondyles of the femurCalcaneus via tendo calcaneusTibial n.Plantarflex foot, flex leg
SoleusTibia and fibulaCalcaneus via tendo calcaneusTibial n.Plantarflex foot
PlantarisLateral condyle of femurCalcaneus via tendo calcaneusTibial n.Plantarflex foot, flex leg (weakly)
PopliteusLateral condyle of femurPosterior tibiaTibial n.Flex + IR leg
Tibialis PosteriorTibial and fibulaNavicularTibial n.Plantarflex + invert foot
Flexor Hallucis LongusTibia and fibulaDistal phalanx of 1st digitTibial n.Flex hallux, plantarflex + invert foot
Flexor Digitorum LongusTibia and fibulaDistal phalanges of 2nd-5th digitsTibial n.Flex 2nd-5th digits, plantarflex + invert foot

Dorsum of the Foot

Extensor Digitorum BrevisCalcaneusMiddle phalanges of 2nd-4th digitsDeep fibular n.Extend 2nd-4th digits
Extensor Hallucis BrevisCalcaneusProximal phalanx of halluxDeep fibular n.Extend hallux

Plantum of the Foot

Abductor HallucisCalcaneusProximal phalanx of 1st digitMedial plantar n.Abduct hallux
Flexor Digitorum BrevisCalcaneusMiddle phalanges of 2nd-5th digitsMedial plantar n.Flex 2nd-5th digits
Abductor Digiti MinimiCalcaneusProximal phalanx of 5th digitLateral plantar n.ABDuct 5th digit
Quadratus PlantaeCalcaneusTendon of flexor digitorum longusLateral plantar n.Assist with flexion of 2nd-5th digits
Lumbricals (n=4)Tendon of flexor digitorum longusBase of proximal phalanges and extensor expansions of 2nd-5th digitsLateral & medial plantar n.Flex proximal phalanges, extend intermediate and distal phalanges
Adductor Hallucis2nd-4th metatarsalsProximal phalans of halluxLateral plantar n.ADDuct hallux
Flexor Hallucis BrevisCuboid, lateral cuneiformProximal phalanx of halluxMedial plantar n.Flex hallux
Flexor Digiti Minimi Brevis5th metatarsalProximal phalanx of 5th digitLateral plantar n.Flex 5th digit
Interossei (3 plantar, 4 dorsal)Plantar – 3rd-5th metatarsals

Dorsal – 1st-5th metatarsals

Plantar – proximal phalanges of 3rd-5th digits

Dorsal – proximal phalanges of 2nd-4th digits

Lateral plantar n.Plantar – ADDuct digits

Dorsal – ABDuct digits