Hi I want you to list out the muscles of leg and give their origin, insertion, innervation, action , nerve root , blood supply Organize them into respective compartments and as thigh and leg

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I have enough foundational knowledge to provide a thorough, accurate answer. Given the query timeouts, I'll draw from authoritative anatomy knowledge (consistent with THIEME Atlas and Gray's Anatomy) to deliver the full table now.

Muscles of the Lower Limb

Organized by region (Thigh / Leg) and compartment, with Origin, Insertion, Action, Innervation, Nerve Root, and Blood Supply.

THIGH


1. Anterior Compartment of Thigh

MuscleOriginInsertionActionNerveNerve RootBlood Supply
Iliopsoas (Iliacus + Psoas Major)Iliacus: iliac fossa; Psoas: T12-L5 vertebral bodies & transverse processesLesser trochanter of femurFlexion of hip; Psoas also laterally flexes vertebral columnFemoral nerve (Iliacus); Branches of L1-L3 directly (Psoas)L1, L2, L3Iliolumbar artery; medial circumflex femoral a.
SartoriusAnterior superior iliac spine (ASIS)Medial surface of proximal tibia (pes anserinus)Flexes, abducts, and laterally rotates thigh; flexes and medially rotates leg at kneeFemoral nerveL2, L3Femoral artery branches
Rectus FemorisAnterior inferior iliac spine (AIIS); reflected head from acetabular rimTibial tuberosity (via patellar tendon)Extends knee; flexes hipFemoral nerveL2, L3, L4Lateral circumflex femoral artery (descending branch)
Vastus LateralisGreater trochanter; lateral lip of linea asperaTibial tuberosity (via patellar tendon)Extends kneeFemoral nerveL2, L3, L4Lateral circumflex femoral artery
Vastus MedialisMedial lip of linea aspera; intertrochanteric lineTibial tuberosity (via patellar tendon)Extends knee; last 15° of extension (VMO)Femoral nerveL2, L3, L4Femoral artery
Vastus IntermediusAnterior and lateral surfaces of femoral shaftTibial tuberosity (via patellar tendon)Extends kneeFemoral nerveL2, L3, L4Lateral circumflex femoral artery
PectineusPectineal line of pubisPectineal line of femur (below lesser trochanter)Adducts and flexes thighFemoral nerve (+ sometimes obturator nerve)L2, L3Medial circumflex femoral artery

2. Medial Compartment of Thigh (Adductors)

MuscleOriginInsertionActionNerveNerve RootBlood Supply
Adductor LongusBody of pubis (below pubic crest)Middle 1/3 of linea asperaAdducts thigh; assists flexionObturator nerve (anterior division)L2, L3, L4Deep femoral artery (profunda femoris)
Adductor BrevisBody and inferior ramus of pubisPectineal line; upper linea asperaAdducts thigh; assists flexionObturator nerve (anterior division)L2, L3Medial circumflex femoral; obturator artery
Adductor MagnusInferior ramus of pubis + ramus of ischium (adductor part); ischial tuberosity (hamstring part)Linea aspera; medial supracondylar ridge; adductor tubercleAdducts thigh; adductor part flexes; hamstring part extendsObturator nerve (adductor part); Sciatic nerve - tibial division (hamstring part)L2, L3, L4Perforating branches of profunda femoris
GracilisBody and inferior ramus of pubisMedial surface of proximal tibia (pes anserinus)Adducts thigh; flexes and medially rotates legObturator nerve (anterior division)L2, L3Medial circumflex femoral; obturator artery
Obturator ExternusMargins of obturator foramen; obturator membraneTrochanteric fossa of femurLaterally rotates thighObturator nerve (posterior division)L3, L4Obturator artery; medial circumflex femoral

3. Posterior Compartment of Thigh (Hamstrings)

MuscleOriginInsertionActionNerveNerve RootBlood Supply
Biceps Femoris (Long head)Ischial tuberosity (common head with semitendinosus)Head of fibulaExtends hip; flexes knee; laterally rotates leg when knee flexedTibial division of sciatic nerveL5, S1, S2Perforating branches of profunda femoris
Biceps Femoris (Short head)Lateral lip of linea aspera; lateral supracondylar ridgeHead of fibulaFlexes knee; laterally rotates legCommon fibular (peroneal) division of sciatic nerveL5, S1Perforating branches of profunda femoris
SemitendinosusIschial tuberosity (common head)Medial surface of proximal tibia (pes anserinus)Extends hip; flexes knee; medially rotates legTibial division of sciatic nerveL5, S1, S2Perforating branches of profunda femoris
SemimembranosusIschial tuberosity (separate, lateral facet)Posterior aspect of medial tibial condyle; also forms oblique popliteal ligamentExtends hip; flexes knee; medially rotates legTibial division of sciatic nerveL5, S1, S2Perforating branches of profunda femoris
Note: The "unhappy triad" of hamstrings - remember "two semis + biceps". Long head of biceps femoris shares the tibial nerve but the short head is the only hamstring innervated by the common peroneal nerve.

LEG (Below Knee)


4. Anterior Compartment of Leg

MuscleOriginInsertionActionNerveNerve RootBlood Supply
Tibialis AnteriorLateral condyle and proximal 2/3 of lateral tibial shaft; interosseous membraneMedial cuneiform; base of 1st metatarsalDorsiflexion; inversion of footDeep fibular (peroneal) nerveL4, L5Anterior tibial artery
Extensor Hallucis LongusMiddle 1/2 of medial fibular surface; interosseous membraneDorsal surface of distal phalanx of great toeExtends great toe; dorsiflexes foot; assists inversionDeep fibular (peroneal) nerveL4, L5Anterior tibial artery
Extensor Digitorum LongusLateral condyle of tibia; proximal 3/4 of anterior fibula; interosseous membraneDorsal digital expansions of lateral 4 toesExtends lateral 4 toes; dorsiflexes and everts footDeep fibular (peroneal) nerveL4, L5, S1Anterior tibial artery
Fibularis (Peroneus) TertiusDistal 1/3 of anterior fibulaDorsum of 5th metatarsal baseDorsiflexes and everts footDeep fibular (peroneal) nerveL4, L5, S1Anterior tibial artery

5. Lateral Compartment of Leg (Fibular / Peroneal)

MuscleOriginInsertionActionNerveNerve RootBlood Supply
Fibularis (Peroneus) LongusHead and proximal 2/3 of lateral fibulaMedial cuneiform; base of 1st metatarsal (runs under foot)Everts foot; plantarflexes; supports transverse archSuperficial fibular (peroneal) nerveL5, S1Fibular (peroneal) artery
Fibularis (Peroneus) BrevisDistal 2/3 of lateral fibulaStyloid process (tuberosity) at base of 5th metatarsalEverts foot; plantarflexesSuperficial fibular (peroneal) nerveL5, S1Fibular (peroneal) artery

6. Posterior Compartment of Leg - Superficial

MuscleOriginInsertionActionNerveNerve RootBlood Supply
Gastrocnemius (Medial head)Posterior surface of medial femoral condyleCalcaneus via calcaneal (Achilles) tendonPlantarflexes foot; flexes kneeTibial nerveS1, S2Sural arteries (from popliteal artery)
Gastrocnemius (Lateral head)Posterior surface of lateral femoral condyleCalcaneus via calcaneal (Achilles) tendonPlantarflexes foot; flexes kneeTibial nerveS1, S2Sural arteries
SoleusPosterior head and neck of fibula; soleal line of tibiaCalcaneus via calcaneal (Achilles) tendonPlantarflexes foot (most powerful; acts when knee is flexed)Tibial nerveS1, S2Posterior tibial and fibular arteries
PlantarisLateral supracondylar ridge of femurCalcaneus (medial side of Achilles tendon)Weak plantarflexion; vestigialTibial nerveS1, S2Sural arteries
Triceps Surae = Gastrocnemius + Soleus (share Achilles tendon). Plantaris has a long thin tendon used in tendon grafts.

7. Posterior Compartment of Leg - Deep

MuscleOriginInsertionActionNerveNerve RootBlood Supply
PopliteusLateral femoral condyle; arcuate popliteal ligamentPosterior surface of proximal tibia (above soleal line)"Unlocks" knee from full extension by medially rotating tibia; flexes kneeTibial nerveL4, L5, S1Popliteal artery; posterior tibial artery
Flexor Hallucis LongusPosterior surface of fibula (lower 2/3); interosseous membranePlantar surface of distal phalanx of great toeFlexes great toe; plantarflexes and inverts footTibial nerveS2, S3Fibular (peroneal) artery
Flexor Digitorum LongusPosterior surface of tibia (medial to tibialis posterior)Plantar surface of distal phalanges of lateral 4 toesFlexes lateral 4 toes; plantarflexes and inverts footTibial nerveS2, S3Posterior tibial artery
Tibialis PosteriorPosterior surface of interosseous membrane; adjacent tibia and fibulaNavicular tuberosity; cuneiforms; cuboid; bases of 2nd-4th metatarsalsPlantarflexes; inverts foot; supports medial longitudinal archTibial nerveL4, L5Posterior tibial artery; fibular artery

Quick Nerve Root Memory Aid

NerveCompartment(s)Key Roots
Femoral nerveAnterior thighL2, L3, L4
Obturator nerveMedial thighL2, L3, L4
Sciatic - Tibial divisionPosterior thigh + all posterior legL4, L5, S1, S2
Sciatic - Common fibular divisionBiceps femoris (short head)L5, S1
Deep fibular nerveAnterior legL4, L5
Superficial fibular nerveLateral legL5, S1
Tibial nervePosterior leg (superficial + deep)L4-S3

Key Blood Supply Summary

CompartmentPrimary Artery
Anterior thighFemoral artery / Lateral circumflex femoral
Medial thighObturator artery / Profunda femoris (perforators)
Posterior thighPerforating branches of profunda femoris
Anterior legAnterior tibial artery
Lateral legFibular (peroneal) artery
Posterior leg (superficial)Popliteal / Sural arteries
Posterior leg (deep)Posterior tibial artery; Fibular artery

Sources: THIEME Atlas of Anatomy - General Anatomy and Musculoskeletal System; Gray's Anatomy principles.
Clinical tip: The pes anserinus ("goose's foot") is the common insertion of Sartorius, Gracilis, and Semitendinosus on the medial tibia - remember by "SGT" (Sartorius, Gracilis, Semitendinosus) or "Say Grace before Tea."

Also can you now do the same for ankle and foot

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I have what I need from the textbooks to confirm details. Let me now deliver the full, well-organized answer.

Muscles of the Ankle and Foot

The intrinsic muscles of the foot are organized into dorsal and plantar groups. The plantar group is further divided into 4 layers (superficial to deep). The extrinsic muscles (from the leg) that act at the ankle and foot were covered previously - those are the long tendons crossing the ankle (tibialis anterior/posterior, peroneals, extensors, flexors).

DORSAL FOOT

Dorsal Intrinsic Muscles

MuscleOriginInsertionActionNerveNerve RootBlood Supply
Extensor Digitorum Brevis (EDB)Superolateral surface of calcaneus (sinus tarsi)Dorsal digital expansions of toes 2-4 (joins EDL tendons)Extends toes 2-4 at MTP jointsDeep fibular (peroneal) nerveL5, S1Dorsalis pedis artery (dorsal metatarsal branches)
Extensor Hallucis Brevis (EHB)Superolateral surface of calcaneus (medial part; often considered medial belly of EDB)Dorsal surface of base of proximal phalanx of great toeExtends great toe at MTP jointDeep fibular (peroneal) nerveL5, S1Dorsalis pedis artery
Note: EHB is often described as the medial belly of EDB. The deep fibular nerve and dorsalis pedis artery pass between EDB and the dorsum of the foot - this is a landmark for surgical approaches.

PLANTAR FOOT

Layer 1 - Superficial (Most Plantar)

MuscleOriginInsertionActionNerveNerve RootBlood Supply
Abductor HallucisMedial process of calcaneal tuberosity; flexor retinaculum; plantar aponeurosisMedial side of base of proximal phalanx of great toeAbducts and flexes great toe at MTP; supports medial archMedial plantar nerveS1, S2Medial plantar artery
Flexor Digitorum Brevis (FDB)Medial process of calcaneal tuberosity; plantar aponeurosisMiddle phalanges of toes 2-5 (splits to allow FDL to pass through - "perforated flexor")Flexes toes 2-5 at PIP joints; supports longitudinal archMedial plantar nerveS1, S2Medial plantar artery
Abductor Digiti MinimiMedial and lateral processes of calcaneal tuberosity; plantar aponeurosisLateral side of base of proximal phalanx of 5th toeAbducts 5th toe; flexes 5th toe at MTPLateral plantar nerveS1, S2Lateral plantar artery
Memory: Layer 1 = "A-F-A" (Abductor Hallucis, Flexor Digitorum Brevis, Abductor Digiti Minimi)

Layer 2

MuscleOriginInsertionActionNerveNerve RootBlood Supply
Quadratus Plantae (Flexor Accessorius)Two heads: medial head from medial plantar surface of calcaneus; lateral head from lateral plantar surfaceLateral border of FDL tendon (before it divides)Corrects the medial pull of FDL; assists FDL in flexing toesLateral plantar nerveS1, S2Lateral plantar artery
Lumbricals (4 muscles)1st: medial side of 1st FDL tendon; 2nd-4th: adjacent sides of FDL tendonsMedial sides of extensor digital expansions of toes 2-5 (dorsal digital expansion)Flex MTP joints; extend IP joints of toes 2-5 (same action as hand lumbricals)1st lumbrical: Medial plantar nerve; 2nd-4th: Lateral plantar nerveS2, S3Medial and lateral plantar arteries
Layer 2 also contains: The tendons of FDL and FHL (extrinsic) passing through the sole.

Layer 3

MuscleOriginInsertionActionNerveNerve RootBlood Supply
Flexor Hallucis Brevis (FHB)Plantar surface of cuboid; lateral cuneiforms; plantar calcaneocuboid ligamentTwo tendons: medial head to medial side of proximal phalanx of hallux (with Abductor Hallucis); lateral head to lateral side (with Adductor Hallucis). Both heads have sesamoid bones embedded.Flexes great toe at MTP joint; supports medial archMedial plantar nerveS1, S2Medial plantar artery
Adductor HallucisOblique head: bases of metatarsals 2-4 and long plantar ligament; Transverse head: plantar MTP joint capsules of toes 3-5Lateral side of base of proximal phalanx of great toe (lateral head of FHB)Adducts great toe; maintains transverse archDeep branch of lateral plantar nerveS2, S3Lateral plantar artery
Flexor Digiti Minimi BrevisBase of 5th metatarsal; long plantar ligamentLateral side of base of proximal phalanx of 5th toeFlexes 5th toe at MTP jointLateral plantar nerve (superficial branch)S2, S3Lateral plantar artery
Memory: Layer 3 = "FHB, AH, FDMB" - the short flexors and adductor of great toe + flexor of little toe.

Layer 4 - Deepest

MuscleOriginInsertionActionNerveNerve RootBlood Supply
Plantar Interossei (3 muscles)Medial sides of metatarsals 3, 4, and 5 (one head each)Medial sides of bases of proximal phalanges of toes 3, 4, 5 + dorsal digital expansionsPAD - Plantar ADduct toes 3-5 toward 2nd toe (axis of foot is 2nd ray); flex MTP, extend IP jointsDeep branch of lateral plantar nerveS2, S3Plantar metatarsal arteries (from lateral plantar artery)
Dorsal Interossei (4 muscles)Adjacent sides of all metatarsals (bipennate, two heads each)1st: medial side of proximal phalanx of 2nd toe; 2nd-4th: lateral sides of proximal phalanges of toes 2, 3, 4 + dorsal digital expansionsDAB - Dorsal ABduct toes 2-4 away from 2nd toe; flex MTP, extend IP jointsDeep branch of lateral plantar nerveS2, S3Dorsal metatarsal arteries; plantar metatarsal arteries
Memory: DAB (Dorsal = ABduct) vs PAD (Plantar = ADduct). The foot axis runs along the 2nd ray (unlike the hand where it is the 3rd finger). Layer 4 also contains: Tendons of Tibialis Posterior and Fibularis Longus (extrinsic) deep here.

NERVE SUMMARY FOR FOOT

NerveMuscles SuppliedRoot
Deep fibular nerveEDB, EHB (dorsal)L5, S1
Medial plantar nerve (like median nerve in hand)Abductor Hallucis, FDB, FHB, 1st LumbricalS1, S2
Lateral plantar nerve - Superficial branch (like ulnar nerve in hand)Flexor Digiti Minimi Brevis; Plantar interossei; 4th lumbricalS2, S3
Lateral plantar nerve - Deep branchAdductor Hallucis; Dorsal interossei; Lumbricals 2-4; Quadratus plantaeS2, S3

BLOOD SUPPLY SUMMARY FOR FOOT

RegionArtery
Dorsum of footDorsalis pedis artery (continuation of anterior tibial artery)
Plantar medial structuresMedial plantar artery (branch of posterior tibial)
Plantar lateral structuresLateral plantar artery (branch of posterior tibial)
Deep plantar archDeep plantar arch (lateral plantar artery anastomoses with deep plantar branch of dorsalis pedis)
ToesPlantar digital arteries (from plantar arch); Dorsal digital arteries (from arcuate artery)

Plantar Layers Summary Table

LayerContentsNerve
Layer 1 (superficial)Abductor Hallucis, FDB, Abductor Digiti MinimiMedial plantar (FDB + Abductor Hallucis); Lateral plantar (Abductor Digiti Minimi)
Layer 2Quadratus Plantae, 4 Lumbricals (+ FDL & FHL tendons)Lateral plantar (QP + L2-4); Medial plantar (L1)
Layer 3FHB, Adductor Hallucis, Flexor Digiti Minimi BrevisMedial plantar (FHB); Lateral plantar deep branch (Adductor); Lateral plantar superficial (FDMB)
Layer 4 (deepest)3 Plantar interossei, 4 Dorsal interossei (+ Tib. Post. & Per. Longus tendons)Lateral plantar deep branch

Clinical Pearls

  • Sesamoid bones are embedded in the medial and lateral heads of FHB under the 1st MTP joint - a common site of stress fractures in athletes.
  • Hallux valgus involves weakness or imbalance of Abductor Hallucis vs. the adductor pull, allowing lateral deviation of the great toe.
  • Claw toes result from intrinsic muscle weakness (lumbricals/interossei) - unopposed extrinsics cause MTP hyperextension and IP flexion.
  • Tarsal tunnel syndrome compresses the tibial nerve behind the medial malleolus, affecting all plantar intrinsics (medial and lateral plantar nerves).
  • The plantar aponeurosis attaches to the calcaneal tuberosity and fans distally to the toes - its inflammation at the origin is plantar fasciitis.
Source: THIEME Atlas of Anatomy - General Anatomy & Musculoskeletal System; Imaging Anatomy Text and Atlas Vol. 3 (THIEME); Miller's Review of Orthopaedics 9th Edition.
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