#summary Human Spinal Lumbosacral Nerves - Thigh and upper leg [Home] -> [BiologicalLifeResearch] -> [HumanNerves] -> [HumanNervesSpinalThigh] ---- This page is intended to list lumbo-sacral spinal cord nerves of biological human, which connect mind to human limbs and visceral organs. Coverage verified by: * http://medical-dictionary.thefreedictionary.com/nerve (name base) * http://www.oluwoleogunranti.com/course/course1/nerves (MA reference) = LUMBOSACRAL NERVES - THIGH AND UPPER LEG = (generated) *motor nuclei/ganglia*: * [BrainRegionLPC_SC_VH_PM Posteromedial Nucleus,LPC.SC.VH.PM]; NERVES={femoral nerve, thigh, muscular branches, flexor; gluteal nerve, superior; nerve of quadrate muscle of thigh; nerve to psoas muscles; obturator nerve; piriform nerve} * [BrainRegionLPC_SC_VH_VM Ventromedial Nucleus,LPC.SC.VH.VM]; NERVES={femoral nerve, thigh, muscular branches, extensor; gluteal nerve, inferior; nerve to quadratus lumborum} *sensory nuclei/ganglia*: * [BrainRegionLPC_PN_SG_LDRG Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG]; NERVES={cluneal nerves; coccygeal plexus; cutaneous nerve of thigh, lateral; femoral nerve, thigh, sensory; genitofemoral nerve, thigh; gluteal nerve, superior; nerve of quadrate muscle of thigh; obturator nerve; sciatic nerves, second} *nerves*: * *cluneal nerves*; MODALITY={general sensory} * fiber: GSA, types={A-delta-sensory}, endings={SAD}, chain={[BrainRegionTARGET_TEA_LEG Leg,TARGET.TEA.LEG] -> [BrainRegionLPC_PN_SG_LDRG Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG] -> [BrainRegionLPC_SC_PH_LMG Lower Marginal Nucleus,LPC.SC.PH.LMG]} * fiber: GSA, types={C-sensory}, endings={SFN}, chain={[BrainRegionTARGET_TEA_LEG Leg,TARGET.TEA.LEG] -> [BrainRegionLPC_PN_SG_LDRG Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG] -> [BrainRegionLPC_SC_PH_LSG Lower Substantia Gelatinosa,LPC.SC.PH.LSG]} * *cluneal nerves, inferior*; ORIGIN={posterior femoral cutaneous nerve}; DISTRIBUTION={innervating skin of lower part of buttocks}; MODALITY={general sensory} * *perforating cutaneous nerve* (MA:[http://www.oluwoleogunranti.com/course/course1/nerves/Ne95.htm PERFORATING CUTANEOUS NERVE]); ORIGIN={S2-S3, one of inferior cluneal nerves which pierces sacrotuberous ligament, absent in one third of population}; DISTRIBUTION={supplies skin over inferomedial gluteus maximus}; MODALITY={general sensory} * unavailable * *cluneal nerves, middle*; ORIGIN={PLEXUS formed by lateral branches of dorsal branches of S1-S4}; DISTRIBUTION={innervating ligaments of sacrum and skin over posterior buttocks}; MODALITY={general sensory} * *cluneal nerves, superior*; ORIGIN={dorsal branches of the upper lumbar nerves, L1-L3}; DISTRIBUTION={innervating skin of upper part of buttocks}; MODALITY={general sensory} * unavailable * *coccygeal plexus*; ORIGIN={coccygeal PLEXUS}; MODALITY={general sensory} * fiber: GSA, types={A-delta-sensory}, endings={SAD}, chain={[BrainRegionTARGET_TEA_TRUNK Trunk,TARGET.TEA.TRUNK] -> [BrainRegionLPC_PN_SG_LDRG Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG] -> [BrainRegionLPC_SC_PH_LMG Lower Marginal Nucleus,LPC.SC.PH.LMG]} * fiber: GSA, types={C-sensory}, endings={SFN}, chain={[BrainRegionTARGET_TEA_TRUNK Trunk,TARGET.TEA.TRUNK] -> [BrainRegionLPC_PN_SG_LDRG Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG] -> [BrainRegionLPC_SC_PH_LSG Lower Substantia Gelatinosa,LPC.SC.PH.LSG]} * *anococcygeal nerve*; DISTRIBUTION={S5, CX, sacrococcygeal joint, coccyx; coccygeus and levator ani muscles, innervate skin between coccyx and anus}; MODALITY={general sensory} * unavailable * *coccygeal nerve* (MA:[http://www.oluwoleogunranti.com/course/course1/nerves/Ne56.htm Co1 NERVE]); ORIGIN={either of thirty-first pair of spinal nerves (CX, Co), arising from coccygeal segment of spinal cord}; MODALITY={general sensory} * unavailable * *cutaneous nerve of thigh, lateral* (MA:[http://www.oluwoleogunranti.com/course/course1/nerves/Ne72.htm LATERAL CUTANEOUS NERVE OF THIGH]; lateral femoral cutaneous nerve); ORIGIN={lumbar PLEXUS L2-L3}; DISTRIBUTION={skin of lateral and frontal aspects of thigh}; MODALITY={general sensory} * unavailable * fiber: GSA, types={A-delta-sensory}, endings={SAD}, chain={[BrainRegionTARGET_TEA_LEG Leg,TARGET.TEA.LEG] -> [BrainRegionLPC_PN_SG_LDRG Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG] -> [BrainRegionLPC_SC_PH_LMG Lower Marginal Nucleus,LPC.SC.PH.LMG]} * fiber: GSA, types={C-sensory}, endings={SFN}, chain={[BrainRegionTARGET_TEA_LEG Leg,TARGET.TEA.LEG] -> [BrainRegionLPC_PN_SG_LDRG Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG] -> [BrainRegionLPC_SC_PH_LSG Lower Substantia Gelatinosa,LPC.SC.PH.LSG]} * *femoral nerve, thigh* (MA:[http://www.oluwoleogunranti.com/course/course1/nerves/Ne75.htm FEMORAL NERVE]); ORIGIN={lumbar PLEXUS (L2-L4); descending behind the inguinal ligament to the femoral triangle}; BRANCHES={muscular and cutaneous branches}; DISTRIBUTION={skin of thigh and leg, muscles of front of thigh, and hip and knee joints; psoas major, sartorius}; MODALITY={flexor motor, extensor motor, general sensory}; MUSCLES={[http://en.wikipedia.org/wiki/Pectineus_muscle Leg - pectineus muscle, femoral] - thigh - flexion, adduction, medial rotation} * *femoral nerve, thigh, motor*; MODALITY={flexor motor, extensor motor} * *femoral nerve, thigh, muscular branches, extensor*; DISTRIBUTION={muscles of anterior compartment of thigh - sartorius, iliacus, pectiueus, vastus intermedius/lateralis/medialis, rectus femoris}; MODALITY={extensor motor}; MUSCLES={[http://en.wikipedia.org/wiki/Articularis_genu_muscle Leg - articularis genu muscle] - pulling the suprapatellar bursa during extension of the knee; [http://en.wikipedia.org/wiki/Obliquus_genu 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] - knee extension; hip flexion; [http://en.wikipedia.org/wiki/Vastus_intermedius_muscle Leg - vastus intermedius muscle] - extends knee; [http://en.wikipedia.org/wiki/Vastus_lateralis_muscle Leg - vastus lateralis muscle] - extends and stabilizes knee; [http://en.wikipedia.org/wiki/Vastus_intermedius_muscle Leg - vastus medialis muscle] - extends knee} * unavailable * fiber: GSE, types={A-alpha-Ia-motor}, endings={MA}, chain={[BrainRegionLPC_SC_VH_VM Ventromedial Nucleus,LPC.SC.VH.VM] -> [BrainRegionTARGET_TEA_LEG Leg,TARGET.TEA.LEG]} * *femoral nerve, thigh, muscular branches, flexor*; DISTRIBUTION={muscles of anterior compartment of thigh - sartorius, iliacus, pectiueus, vastus intermedius/lateralis/medialis, rectus femoris}; MODALITY={flexor motor}; MUSCLES={[http://en.wikipedia.org/wiki/Iliacus_muscle Leg - iliacus muscle] - flexes and rotates laterally thigh; [http://en.wikipedia.org/wiki/Sartorius_muscle Leg - sartorius muscle] - flexion, lateral rotation and abduction of thigh; flexion and medial rotation of leg} * unavailable * fiber: GSE, types={A-alpha-Ia-motor}, endings={MA}, chain={[BrainRegionLPC_SC_VH_PM Posteromedial Nucleus,LPC.SC.VH.PM] -> [BrainRegionTARGET_TEA_LEG Leg,TARGET.TEA.LEG]} * *femoral nerve, thigh, sensory*; MODALITY={general sensory} * fiber: GSA, types={A-delta-sensory}, endings={SAD}, chain={[BrainRegionTARGET_TEA_LEG Leg,TARGET.TEA.LEG] -> [BrainRegionLPC_PN_SG_LDRG Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG] -> [BrainRegionLPC_SC_PH_LMG Lower Marginal Nucleus,LPC.SC.PH.LMG]} * fiber: GSA, types={C-sensory}, endings={SFN}, chain={[BrainRegionTARGET_TEA_LEG Leg,TARGET.TEA.LEG] -> [BrainRegionLPC_PN_SG_LDRG Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG] -> [BrainRegionLPC_SC_PH_LSG Lower Substantia Gelatinosa,LPC.SC.PH.LSG]} * *femoral nerve, anterior cutaneous*; MODALITY={general sensory} * *cutaneous nerve of thigh, intermediate* (MA:[http://www.oluwoleogunranti.com/course/course1/nerves/Ne76.htm INTERMEDIATE CUTANEOUS NERVE OF THIGH]; anterior cutaneous femoral nerve); ORIGIN={femoral nerve, L2/L3}; DISTRIBUTION={supply the skin of front of thigh right to knee}; MODALITY={general sensory} * unavailable * *cutaneous nerve of thigh, medial* (MA:[http://www.oluwoleogunranti.com/course/course1/nerves/Ne77.htm MEDIAL CUTANEOUS NERVE OF THIGH]; medial femoral cutaneous nerve); ORIGIN={femoral nerve, L2/L3}; BRANCHES={anterior, posterior}; MODALITY={general sensory} * unavailable * *femoral nerve, posterior cutaneous*; MODALITY={general sensory} * *cutaneous nerve of thigh, posterior* (MA:[http://www.oluwoleogunranti.com/course/course1/nerves/Ne84.htm POSTERIOR CUTANEOUS NERVE OF THIGH]; posterior femoral cutaneous nerve); ORIGIN={femoral nerve, S1-S3}; BRANCHES={inferior cluneal nerves and perineal branches}; DISTRIBUTION={skin of buttock, external genitalia, and back of thigh and calf}; MODALITY={general sensory} * unavailable * *genitofemoral nerve, thigh* (MA:[http://www.oluwoleogunranti.com/course/course1/nerves/Ne71.htm GENITOFEMORAL NERVE]); ORIGIN={lumbar PLEXUS (L1-L2)}; BRANCHES={femoral branches}; DISTRIBUTION={adjacent area of thigh and femoral triangle}; MODALITY={general sensory} * fiber: GSA, types={A-delta-sensory}, endings={SAD}, chain={[BrainRegionTARGET_TEA_LEG Leg,TARGET.TEA.LEG] -> [BrainRegionLPC_PN_SG_LDRG Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG] -> [BrainRegionLPC_SC_PH_LMG Lower Marginal Nucleus,LPC.SC.PH.LMG]} * fiber: GSA, types={C-sensory}, endings={SFN}, chain={[BrainRegionTARGET_TEA_LEG Leg,TARGET.TEA.LEG] -> [BrainRegionLPC_PN_SG_LDRG Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG] -> [BrainRegionLPC_SC_PH_LSG Lower Substantia Gelatinosa,LPC.SC.PH.LSG]} * *genitofemoral nerve, femoral branch* (MA:[http://www.oluwoleogunranti.com/course/course1/nerves/Ne208.htm FEMORAL BRANCH OF GENITOFEMORAL NERVE]); ORIGIN={genitofemoral nerve (L1-L2)}; DISTRIBUTION={supply skin over sheath}; MODALITY={general sensory} * unavailable * *gluteal nerve*; MODALITY={flexor motor, extensor motor, general sensory} * *gluteal nerve, inferior* (MA:[http://www.oluwoleogunranti.com/course/course1/nerves/Ne83.htm INFERIOR GLUTEAL NERVE]); ORIGIN={sacral PLEXUS (L5-S2)}; DISTRIBUTION={gluteus maximus muscle}; MODALITY={extensor motor}; MUSCLES={[http://en.wikipedia.org/wiki/Gluteus_maximus_muscle Leg - gluteus maximus muscle] - external rotation and extension of the hip joint, supports the extended knee through the iliotibial tract, chief antigravity muscle in sitting} * unavailable * fiber: GSE, types={A-alpha-Ia-motor}, endings={MA}, chain={[BrainRegionLPC_SC_VH_VM Ventromedial Nucleus,LPC.SC.VH.VM] -> [BrainRegionTARGET_TEA_LEG Leg,TARGET.TEA.LEG]} * *gluteal nerve, superior* (MA:[http://www.oluwoleogunranti.com/course/course1/nerves/Ne82.htm SUPERIOR GLUTEAL NERVE]); ORIGIN={sacral PLEXUS (L4-S1)}; DISTRIBUTION={gluteus medius and minimus muscles, tensor fasciae latae, and hip joint}; MODALITY={flexor motor, general sensory}; MUSCLES={[http://en.wikipedia.org/wiki/Gluteus_medius_muscle 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] - Works in concert with gluteus medius: abduction of the hip; preventing adduction of the hip. Medial rotation of thigh; [http://en.wikipedia.org/wiki/Tensor_fasciae_latae Leg - tensor fasciae latae muscle] - Thigh - flexion, medial rotation. Trunk stabilization} * unavailable * fiber: GSA, types={A-delta-sensory}, endings={SAD}, chain={[BrainRegionTARGET_TEA_LEG Leg,TARGET.TEA.LEG] -> [BrainRegionLPC_PN_SG_LDRG Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG] -> [BrainRegionLPC_SC_PH_LMG Lower Marginal Nucleus,LPC.SC.PH.LMG]} * fiber: GSA, types={C-sensory}, endings={SFN}, chain={[BrainRegionTARGET_TEA_LEG Leg,TARGET.TEA.LEG] -> [BrainRegionLPC_PN_SG_LDRG Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG] -> [BrainRegionLPC_SC_PH_LSG Lower Substantia Gelatinosa,LPC.SC.PH.LSG]} * fiber: GSE, types={A-alpha-Ia-motor}, endings={MA}, chain={[BrainRegionLPC_SC_VH_PM Posteromedial Nucleus,LPC.SC.VH.PM] -> [BrainRegionTARGET_TEA_LEG Leg,TARGET.TEA.LEG]} * *nerve of quadrate muscle of thigh* (MA:[http://www.oluwoleogunranti.com/course/course1/nerves/Ne79.htm NERVE TO QUADRATUS FEMORIS]); ORIGIN={lumbosacral plexus (L4/L5, S1), ventral branches}; DISTRIBUTION={inferior gemellus muscle, anterior quadratus muscle of thigh, hip joint}; MODALITY={flexor motor, general sensory}; MUSCLES={[http://en.wikipedia.org/wiki/Inferior_gemellus_muscle Leg - gemellus inferior muscle] - rotates laterally thigh; [http://en.wikipedia.org/wiki/Quadratus_femoris_muscle Leg - quadratus femoris muscle] - lateral rotation of thigh} * unavailable * fiber: GSA, types={A-delta-sensory}, endings={SAD}, chain={[BrainRegionTARGET_TEA_LEG Leg,TARGET.TEA.LEG] -> [BrainRegionLPC_PN_SG_LDRG Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG] -> [BrainRegionLPC_SC_PH_LMG Lower Marginal Nucleus,LPC.SC.PH.LMG]} * fiber: GSA, types={C-sensory}, endings={SFN}, chain={[BrainRegionTARGET_TEA_LEG Leg,TARGET.TEA.LEG] -> [BrainRegionLPC_PN_SG_LDRG Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG] -> [BrainRegionLPC_SC_PH_LSG Lower Substantia Gelatinosa,LPC.SC.PH.LSG]} * fiber: GSE, types={A-alpha-Ia-motor}, endings={MA}, chain={[BrainRegionLPC_SC_VH_PM Posteromedial Nucleus,LPC.SC.VH.PM] -> [BrainRegionTARGET_TEA_LEG Leg,TARGET.TEA.LEG]} * *nerve to psoas muscles*; ORIGIN={lumbar plexus via anterior branches of L1-L3 nerves}; MODALITY={flexor motor}; MUSCLES={[http://en.wikipedia.org/wiki/Psoas_major_muscle Leg - psoas major muscle] - flexes and rotates laterally thigh; [http://en.wikipedia.org/wiki/Psoas_minor_muscle Leg - psoas minor muscle] - weak trunk flexor} * fiber: GSE, types={A-alpha-Ia-motor}, endings={MA}, chain={[BrainRegionLPC_SC_VH_PM Posteromedial Nucleus,LPC.SC.VH.PM] -> [BrainRegionTARGET_TEA_LEG Leg,TARGET.TEA.LEG]} * *nerve to quadratus lumborum*; ORIGIN={lumbosacral plexus (L1/L4), ventral branches}; DISTRIBUTION={quadratus lumborum is a muscle in the lower back}; MODALITY={extensor motor}; MUSCLES={[http://en.wikipedia.org/wiki/Quadratus_lumborum_muscle Trunk - quadratus lumborum muscle] - extension of lumbar vertebral column, with bilateral contraction; alone, lateral flexion of vertebral column; together, depression of thoracic rib cage} * unavailable * fiber: GSE, types={A-alpha-Ia-motor}, endings={MA}, chain={[BrainRegionLPC_SC_VH_VM Ventromedial Nucleus,LPC.SC.VH.VM] -> [BrainRegionTARGET_TEA_TRUNK Trunk,TARGET.TEA.TRUNK]} * *obturator nerve* (MA:[http://www.oluwoleogunranti.com/course/course1/nerves/Ne11.htm OBTURATOR NERVE]); MODALITY={flexor motor, general sensory} * fiber: GSA, types={A-delta-sensory}, endings={SAD}, chain={[BrainRegionTARGET_TEA_LEG Leg,TARGET.TEA.LEG] -> [BrainRegionLPC_PN_SG_LDRG Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG] -> [BrainRegionLPC_SC_PH_LMG Lower Marginal Nucleus,LPC.SC.PH.LMG]} * fiber: GSA, types={C-sensory}, endings={SFN}, chain={[BrainRegionTARGET_TEA_LEG Leg,TARGET.TEA.LEG] -> [BrainRegionLPC_PN_SG_LDRG Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG] -> [BrainRegionLPC_SC_PH_LSG Lower Substantia Gelatinosa,LPC.SC.PH.LSG]} * fiber: GSE, types={A-alpha-Ia-motor}, endings={MA}, chain={[BrainRegionLPC_SC_VH_PM Posteromedial Nucleus,LPC.SC.VH.PM] -> [BrainRegionTARGET_TEA_LEG Leg,TARGET.TEA.LEG]} * *obturator nerve, accessory* (MA:[http://www.oluwoleogunranti.com/course/course1/nerves/Ne74.htm ACCESSORY OBTURATOR NERVE]); ORIGIN={ventral branches of ventral branches of L3-L4}; DISTRIBUTION={pectineus muscle, hip joint}; MODALITY={flexor motor, general sensory}; MUSCLES={[http://en.wikipedia.org/wiki/Pectineus_muscle Leg - pectineus muscle, obturator] - thigh - flexion, adduction, medial rotation} * unavailable * *obturator nerve, internal* (MA:[http://www.oluwoleogunranti.com/course/course1/nerves/ne80.htm NERVE TO OBTURATOR INTERNUS]); ORIGIN={ventral branches of ventral branches of L5, S1-S2}; DISTRIBUTION={posterior gemellus superior muscle and obturator internus muscle}; MODALITY={flexor motor, general sensory}; MUSCLES={[http://en.wikipedia.org/wiki/Superior_gemellus_muscle Leg - gemellus superior muscle] - rotates laterally thigh; [http://en.wikipedia.org/wiki/Obturator_internus_muscle Leg - obturator internus muscle] - abducts rotates laterally thigh, and stabiliser of the hip during walking} * unavailable * *obturator nerve, proper* (MA:[http://www.oluwoleogunranti.com/course/course1/nerves/Ne73.htm OBTURATOR NERVE]); ORIGIN={lumbar PLEXUS L3-L4}; BRANCHES={anterior, posterior, and muscular branches}; DISTRIBUTION={adductor muscles (adductor brevis, adductor longus, adductor magnus) and gracilis muscle, skin of medial part of thigh, and hip and knee joints, obturator externus}; MODALITY={flexor motor, general sensory}; MUSCLES={[http://en.wikipedia.org/wiki/Adductor_brevis_muscle Leg - adductor brevis muscle] - adduction of hip; [http://en.wikipedia.org/wiki/Adductor_longus_muscle Leg - adductor longus muscle] - adduction of thigh; [http://en.wikipedia.org/wiki/Adductor_magnus_muscle Leg - adductor magnus muscle, obturator] - adduction of hip; [http://en.wikipedia.org/wiki/Adductor_minimus_muscle Leg - adductor minimus muscle, obturator] - adduction and lateral rotation of thigh; [http://en.wikipedia.org/wiki/Gracilis_muscle Leg - gracilis muscle] - flexes hip, knee; [http://en.wikipedia.org/wiki/Obturator_externus_muscle Leg - obturator externus muscle] - adduct thigh, rotate laterally thigh} * unavailable * *sciatic nerves, second*; MODALITY={flexor motor, general sensory} * fiber: GSA, types={A-delta-sensory}, endings={SAD}, chain={[BrainRegionTARGET_TEA_LEG Leg,TARGET.TEA.LEG] -> [BrainRegionLPC_PN_SG_LDRG Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG] -> [BrainRegionLPC_SC_PH_LMG Lower Marginal Nucleus,LPC.SC.PH.LMG]} * fiber: GSA, types={C-sensory}, endings={SFN}, chain={[BrainRegionTARGET_TEA_LEG Leg,TARGET.TEA.LEG] -> [BrainRegionLPC_PN_SG_LDRG Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG] -> [BrainRegionLPC_SC_PH_LSG Lower Substantia Gelatinosa,LPC.SC.PH.LSG]} * *piriform nerve* (MA:[http://www.oluwoleogunranti.com/course/course1/nerves/Ne81.htm NERVE TO PIRIFORMIS]); ORIGIN={dorsal branches of ventral branches of sacral PLEXUS S1-S2}; DISTRIBUTION={anterior piriform muscle}; MODALITY={general sensory, flexor motor}; MUSCLES={[http://en.wikipedia.org/wiki/Piriformis_muscle Leg - piriformis muscle] - rotate laterally (outward) the thigh} * unavailable * fiber: GSE, types={A-alpha-Ia-motor}, endings={MA}, chain={[BrainRegionLPC_SC_VH_PM Posteromedial Nucleus,LPC.SC.VH.PM] -> [BrainRegionTARGET_TEA_LEG Leg,TARGET.TEA.LEG]}