#summary Leg @@[Home] -> [BiologicalLifeResearch] -> [BrainAreaTEA] -> [BrainRegionTARGET_TEA_LEG] ---- This page covers biological details of component Leg. Region is part of aHuman target integrated biological model. * *Top-down path to region*: Target -> Human Effectors (aHumanEffectors) -> [BrainRegionTARGET_TEA_LEG Leg] (TARGET.TEA.LEG) (see [OverallMindMaps Mind Maps]) * *Type*: effector * *Quality*: L0 * *Brain area*: [BrainAreaTEA Effector Area] (TEA) * *Area circuit*: TARGET.TEA.LEG Circuit (TARGET.TEA.LEG.CIRCUIT) * *Role*: targeteffector * *Function*: Primary Execution Motor (generated) = Components = (generated) *Component items*: * *Leg somatic sensory data* (*leg-somatic-sensory*) * Leg - somatic receptors (leg-somatic-receptors -> [BrainRegionLPC_PN_SG_LDRG LPC.PN.SG.LDRG]): somatic sensations * *Leg thigh* (*leg-thigh*) * *Leg thigh flexors* (*leg-thigh-flexors*) * [http://en.wikipedia.org/wiki/Piriformis_muscle Leg - piriformis muscle] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesLimbs piriformis-muscle]): rotate laterally (outward) the thigh * [http://en.wikipedia.org/wiki/Adductor_brevis_muscle Leg - adductor brevis muscle] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesLimbs leg-adductor-brevis-muscle]): adduction of hip * [http://en.wikipedia.org/wiki/Adductor_longus_muscle Leg - adductor longus muscle] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesLimbs leg-adductor-longus-muscle]): adduction of thigh * [http://en.wikipedia.org/wiki/Adductor_magnus_muscle Leg - adductor magnus muscle, obturator] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesLimbs leg-adductor-magnus-muscle-obturator]): adduction of hip * [http://en.wikipedia.org/wiki/Adductor_magnus_muscle Leg - adductor magnus muscle, tibial] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesLimbs leg-adductor-magnus-muscle-tibial]): adduction of hip * [http://en.wikipedia.org/wiki/Adductor_minimus_muscle Leg - adductor minimus muscle, obturator] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesLimbs leg-adductor-minimus-muscle-obturator]): adduction and lateral rotation of thigh * [http://en.wikipedia.org/wiki/Adductor_minimus_muscle Leg - adductor minimus muscle, tibial] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesLimbs leg-adductor-minimus-muscle-tibial]): adduction and lateral rotation of thigh * [http://en.wikipedia.org/wiki/Biceps_femoris_muscle Leg - biceps femoris muscle, tibial] ([BrainRegionLPC_SC_VH_PL LPC.SC.VH.PL] -> [HumanMusclesLimbs leg-biceps-femoris-muscle-tibial]): extends hip joint (long head only) * [http://en.wikipedia.org/wiki/Inferior_gemellus_muscle Leg - gemellus inferior muscle] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesLimbs leg-gemellus-inferior-muscle]): rotates laterally thigh * [http://en.wikipedia.org/wiki/Superior_gemellus_muscle Leg - gemellus superior muscle] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesLimbs leg-gemellus-superior-muscle]): rotates laterally thigh * [http://en.wikipedia.org/wiki/Gluteus_medius_muscle Leg - gluteus medius muscle] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesLimbs leg-gluteus-medius-muscle]): abduction of the hip; preventing adduction of the hip. Medial rotation of thigh * [http://en.wikipedia.org/wiki/Gluteus_minimus_muscle Leg - gluteus minimus muscle] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesLimbs leg-gluteus-minimus-muscle]): works in concert with gluteus medius: abduction of the hip; preventing adduction of the hip; medial rotation of thigh * [http://en.wikipedia.org/wiki/Gracilis_muscle Leg - gracilis muscle] ([BrainRegionLPC_SC_VH_PL LPC.SC.VH.PL] -> [HumanMusclesLimbs leg-gracilis-muscle]): flexes hip, knee * [http://en.wikipedia.org/wiki/Iliacus_muscle Leg - iliacus muscle] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesLimbs leg-iliacus-muscle]): flexes and rotates laterally thigh * [http://en.wikipedia.org/wiki/Obturator_externus_muscle Leg - obturator externus muscle] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesLimbs leg-obturator-externus-muscle]): adduct thigh, rotate laterally thigh * [http://en.wikipedia.org/wiki/Obturator_internus_muscle Leg - obturator internus muscle] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesLimbs leg-obturator-internus-muscle]): abducts rotates laterally thigh, and stabiliser of the hip during walking * [http://en.wikipedia.org/wiki/Pectineus_muscle Leg - pectineus muscle, femoral] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesLimbs leg-pectineus-muscle-femoral]): thigh - flexion, adduction, medial rotation * [http://en.wikipedia.org/wiki/Pectineus_muscle Leg - pectineus muscle, obturator] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesLimbs leg-pectineus-muscle-obturator]): thigh - flexion, adduction, medial rotation * [http://en.wikipedia.org/wiki/Psoas_major_muscle Leg - psoas major muscle] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesLimbs leg-psoas-major-muscle]): flexes and rotates laterally thigh * [http://en.wikipedia.org/wiki/Psoas_minor_muscle Leg - psoas minor muscle] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesLimbs leg-psoas-minor-muscle]): weak trunk flexor * [http://en.wikipedia.org/wiki/Quadratus_femoris_muscle Leg - quadratus femoris muscle] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesLimbs leg-quadratus-femoris-muscle]): lateral rotation of thigh * [http://en.wikipedia.org/wiki/Sartorius_muscle Leg - sartorius muscle] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesLimbs leg-sartorius-muscle]): flexion, lateral rotation and abduction of thigh; flexion and medial rotation of leg * [http://en.wikipedia.org/wiki/Tensor_fasciae_latae Leg - tensor fasciae latae muscle] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesLimbs leg-tensor-fasciae-latae-muscle]): thigh - flexion, medial rotation; trunk stabilization * *Leg thigh extensors* (*leg-thigh-extensors*) * [http://en.wikipedia.org/wiki/Gluteus_maximus_muscle Leg - gluteus maximus muscle] ([BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM] -> [HumanMusclesLimbs gluteus-maximus-muscle]): external rotation and extension of the hip joint, supports the extended knee through the iliotibial tract, chief antigravity muscle in sitting * *Leg knee* (*leg-knee*) * *Leg knee flexors* (*leg-knee-flexors*) * [http://en.wikipedia.org/wiki/Gastrocnemius_muscle Leg - gastrocnemius muscle] ([BrainRegionLPC_SC_VH_PL LPC.SC.VH.PL] -> [HumanMusclesLimbs gastrocnemius-muscle]): plantar flexion, flexion of knee (minor) * [http://en.wikipedia.org/wiki/Popliteus_muscle Leg - popliteus muscle] ([BrainRegionLPC_SC_VH_PL LPC.SC.VH.PL] -> [HumanMusclesLimbs popliteus-muscle]): medial rotation and flexion of knee * [http://en.wikipedia.org/wiki/Biceps_femoris_muscle Leg - biceps femoris muscle, peroneal] ([BrainRegionLPC_SC_VH_PL LPC.SC.VH.PL] -> [HumanMusclesLimbs leg-biceps-femoris-muscle-peroneal]): flexes knee joint, laterally rotates knee joint (when knee is flexed) * [http://en.wikipedia.org/wiki/Semimembranosus_muscle Leg - semimembranosus muscle] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesLimbs leg-semimembranosus-muscle]): hip extension, knee flexion * [http://en.wikipedia.org/wiki/Semitendinosus_muscle Leg - semitendinosus muscle] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesLimbs leg-semitendinosus-muscle]): flex knee, extend hip joint * *Leg knee extensors* (*leg-knee-extensors*) * [http://en.wikipedia.org/wiki/Articularis_genu_muscle Leg - articularis genu muscle] ([BrainRegionLPC_SC_VH_VL LPC.SC.VH.VL] -> [HumanMusclesLimbs leg-articularis-genu-muscle]): pulling the suprapatellar bursa during extension of the knee * [http://en.wikipedia.org/wiki/Obliquus_genu Leg - obliquus genu muscle] ([BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM] -> [HumanMusclesLimbs leg-obliquus-genu-muscle]): maintaining patella position and limiting injuries to the knee * [http://en.wikipedia.org/wiki/Rectus_femoris_muscle Leg - rectus femoris muscle] ([BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM] -> [HumanMusclesLimbs leg-rectus-femoris-muscle]): knee extension; hip flexion * [http://en.wikipedia.org/wiki/Vastus_intermedius_muscle Leg - vastus intermedius muscle] ([BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM] -> [HumanMusclesLimbs leg-vastus-intermedius-muscle]): extends knee * [http://en.wikipedia.org/wiki/Vastus_lateralis_muscle Leg - vastus lateralis muscle] ([BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM] -> [HumanMusclesLimbs leg-vastus-lateralis-muscle]): extends and stabilizes knee * [http://en.wikipedia.org/wiki/Vastus_intermedius_muscle Leg - vastus medialis muscle] ([BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM] -> [HumanMusclesLimbs leg-vastus-medialis-muscle]): extends knee * *Leg foot* (*leg-foot*) * *Leg foot flexors* (*leg-foot-flexors*) * [http://en.wikipedia.org/wiki/Tibialis_posterior_muscle Leg - tibialis posterior muscle] ([BrainRegionLPC_SC_VH_PL LPC.SC.VH.PL] -> [HumanMusclesLimbs tibialis-posterior-muscle]): inversion of the foot, plantar flexion of the foot at the ankle; key muscle and tendon for stabilization, produce inversion and assists in the plantar flexion of the foot at the ankle * [http://en.wikipedia.org/wiki/Abductor_hallucis_muscle Leg - abductor hallucis muscle] ([BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL] -> [HumanMusclesLimbs leg-abductor-hallucis-muscle]): abducts hallux * [http://en.wikipedia.org/wiki/Plantaris_muscle Leg - plantaris muscle] ([BrainRegionLPC_SC_VH_PL LPC.SC.VH.PL] -> [HumanMusclesLimbs plantaris-muscle]): plantar flexes foot and flexes knee * [http://en.wikipedia.org/wiki/Quadratus_plantae_muscle Leg - quadratus plantae muscle] ([BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL] -> [HumanMusclesLimbs leg-quadratus-plantae-muscle]): assists flexor digitorum longus in flexion of DIP joints * [http://en.wikipedia.org/wiki/Adductor_hallucis_muscle Leg - adductor hallucis muscle] ([BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL] -> [HumanMusclesLimbs leg-adductor-hallucis-muscle]): adducts hallux * [http://en.wikipedia.org/wiki/Accessory_soleus_muscle Leg - accessory soleus muscle] ([BrainRegionLPC_SC_VH_PL LPC.SC.VH.PL] -> [HumanMusclesLimbs leg-accessory-soleus-muscle]): plantar flexion * [http://en.wikipedia.org/wiki/Fibularis_brevis Leg - fibularis brevis muscle] ([BrainRegionLPC_SC_VH_PL LPC.SC.VH.PL] -> [HumanMusclesLimbs leg-fibularis-brevis-muscle]): plantar flexion, eversion * [http://en.wikipedia.org/wiki/Fibularis_longus Leg - fibularis longus muscle] ([BrainRegionLPC_SC_VH_PL LPC.SC.VH.PL] -> [HumanMusclesLimbs leg-fibularis-longus-muscle]): plantar flexion, eversion * [http://en.wikipedia.org/wiki/Soleus_muscle Leg - soleus muscle] ([BrainRegionLPC_SC_VH_PL LPC.SC.VH.PL] -> [HumanMusclesLimbs leg-soleus-muscle]): plantar flexion * *Leg foot extensors* (*leg-foot-extensors*) * [http://en.wikipedia.org/wiki/Peroneus_tertius Leg - fibularis tertius muscle] ([BrainRegionLPC_SC_VH_VL LPC.SC.VH.VL] -> [HumanMusclesLimbs fibularis-tertius-muscle]): dorsi flexes and everts foot * [http://en.wikipedia.org/wiki/Tibialis_anterior_muscle Leg - tibialis anterior muscle] ([BrainRegionLPC_SC_VH_VL LPC.SC.VH.VL] -> [HumanMusclesLimbs tibialis-anterior-muscle]): dorsiflex and invert the foot * [http://en.wikipedia.org/wiki/Extensor_hallucis_brevis_muscle Leg - extensor hallucis brevis muscle] ([BrainRegionLPC_SC_VH_VL LPC.SC.VH.VL] -> [HumanMusclesLimbs leg-extensor-hallucis-brevis-muscle]): extension of hallux * *Leg fingers* (*leg-fingers*) * *Leg fingers flexors* (*leg-fingers-flexors*) * [http://en.wikipedia.org/wiki/Flexor_digitorum_longus_muscle Leg - flexor digitorum longus muscle] ([BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL] -> [HumanMusclesLimbs flexor-longus-digitorum-muscle]): flex digits * [http://en.wikipedia.org/wiki/Flexor_hallucis_longus_muscle Leg - flexor hallucis longus muscle] ([BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL] -> [HumanMusclesLimbs flexor-longus-hallucis-muscle]): flexes all joints of the big toe, plantar flexion of the ankle joint * [http://en.wikipedia.org/wiki/Abductor_digiti_minimi_muscle_(foot) Leg - abductor digiti minimi muscle of foot] ([BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL] -> [HumanMusclesLimbs leg-abductor-digiti-minimi-muscle]): flex and abduct the fifth toe * [http://en.wikipedia.org/wiki/Flexor_digitorum_brevis_muscle Leg - flexor digitorum brevis muscle] ([BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL] -> [HumanMusclesLimbs leg-flexor-digitorum-brevis-muscle]): flexes lateral four toes * [http://en.wikipedia.org/wiki/Lumbrical_muscle_(foot) Leg - lumbrical muscle of foot, lateral] ([BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL] -> [HumanMusclesLimbs leg-lumbrical-muscle-lateral]): flex proximal phalanges and extend middle and distal phalanges of lateral four digits * [http://en.wikipedia.org/wiki/Lumbrical_muscle_(foot) Leg - lumbrical muscle of foot, medial] ([BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL] -> [HumanMusclesLimbs leg-lumbrical-muscle-medial]): flex proximal phalanges and extend middle and distal phalanges of lateral four digits * [http://en.wikipedia.org/wiki/Flexor_digiti_minimi_brevis_muscle_(foot) Leg - flexor digiti minimi brevis muscle of foot] ([BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL] -> [HumanMusclesLimbs leg-flexor-digiti-minimi-brevis-muscle]): flex and adduct the fifth toe * [http://en.wikipedia.org/wiki/Flexor_hallucis_brevis_muscle Leg - flexor hallucis brevis muscle] ([BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL] -> [HumanMusclesLimbs leg-flexor-hallucis-brevis-muscle]): plantar nerve, medial, branches to LAFF muscles * [http://en.wikipedia.org/wiki/Dorsal_interossei_of_the_foot Leg - dorsal interossei muscles of the foot] ([BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL] -> [HumanMusclesLimbs leg-dorsal-interossei-muscles]): abduct toes * [http://en.wikipedia.org/wiki/Plantar_interossei_muscles Leg - plantar interossei muscles] ([BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL] -> [HumanMusclesLimbs leg-plantar-interossei-muscles]): abduct toes * *Leg fingers extensors* (*leg-fingers-extensors*) * [http://en.wikipedia.org/wiki/Extensor_digitorum_brevis_muscle Leg - extensor digitorum brevis muscle] ([BrainRegionLPC_SC_VH_VL LPC.SC.VH.VL] -> [HumanMusclesLimbs extensor-digitorum-brevis-muscle]): extends digits 2, 3, and 4 * [http://en.wikipedia.org/wiki/Extensor_digitorum_longus_muscle Leg - extensor digitorum longus muscle] ([BrainRegionLPC_SC_VH_VL LPC.SC.VH.VL] -> [HumanMusclesLimbs extensor-digitorum-longus-muscle]): extension of toes and ankle; Extensor hallucis brevis muscle - extension of hallux * [http://en.wikipedia.org/wiki/Extensor_hallucis_longus_muscle Leg - extensor hallucis longus muscle] ([BrainRegionLPC_SC_VH_VL LPC.SC.VH.VL] -> [HumanMusclesLimbs extensor-hallucis-longus-muscle]): extends the big toe and assists in dorsiflexion of the foot at the ankle; also is a weak invertor = Connectivity = (generated) http://ahuman.org/svn/ahwiki/images/dot/TARGET.TEA.LEG.dot.png *Inbound Region Connections:* || *Source Area* || *Source Region* || *Source Name* || *Type* || *Role* || *Reference* || || [BrainAreaLPC LPC] || [BrainRegionLPC_SC_VH_PL LPC.SC.VH.PL] || Posterolateral Nucleus || gastrocnemius-muscle || (none) ||(unknown reference) || || || [BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] || Posteromedial Nucleus || leg-adductor-brevis-muscle || (none) ||(unknown reference) || || || [BrainRegionLPC_SC_VH_RPL LPC.SC.VH.RPL] || Retroposterolateral Nucleus || flexor-longus-digitorum-muscle || (none) ||(unknown reference) || || || [BrainRegionLPC_SC_VH_VL LPC.SC.VH.VL] || Ventrolateral Nucleus || extensor-digitorum-brevis-muscle || (none) ||(unknown reference) || || || [BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM] || Ventromedial Nucleus || gluteus-maximus-muscle || (none) ||(unknown reference) || *Outbound Region Connections:* || *Target Area* || *Target Region* || *Target Name* || *Type* || *Role* || *Reference* || || [BrainAreaLPC LPC] || [BrainRegionLPC_PN_SG_LDRG LPC.PN.SG.LDRG] || Lower Dorsal Root Ganglion || leg-somatic-receptors || (none) || (unknown reference) || = Thirdparty Circuits = (generated) * no circuits defined = References = (generated) * no references defined