HumanNervesSpinalThigh

Human Spinal Lumbosacral Nerves - Thigh and upper leg

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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:

• 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}
• Ventromedial Nucleus,LPC.SC.VH.VM; NERVES={femoral nerve, thigh, muscular branches, extensor; gluteal nerve, inferior; nerve to quadratus lumborum}

sensory nuclei/ganglia:

• 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={Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Marginal Nucleus,LPC.SC.PH.LMG}
  • fiber: GSA, types={C-sensory}, endings={SFN}, chain={Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> 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: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}

• • 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}

• coccygeal plexus; ORIGIN={coccygeal PLEXUS}; MODALITY={general sensory}
  • fiber: GSA, types={A-delta-sensory}, endings={SAD}, chain={Trunk,TARGET.TEA.TRUNK -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Marginal Nucleus,LPC.SC.PH.LMG}
  • fiber: GSA, types={C-sensory}, endings={SFN}, chain={Trunk,TARGET.TEA.TRUNK -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> 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}

• • coccygeal nerve (MA:Co1 NERVE); ORIGIN={either of thirty-first pair of spinal nerves (CX, Co), arising from coccygeal segment of spinal cord}; MODALITY={general sensory}
    • 
• cutaneous nerve of thigh, lateral (MA: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}

• • fiber: GSA, types={A-delta-sensory}, endings={SAD}, chain={Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Marginal Nucleus,LPC.SC.PH.LMG}
  • fiber: GSA, types={C-sensory}, endings={SFN}, chain={Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Substantia Gelatinosa,LPC.SC.PH.LSG}
• femoral nerve, thigh (MA: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={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={Leg - articularis genu muscle - pulling the suprapatellar bursa during extension of the knee; Leg - obliquus genu muscle - maintaining patella position and limiting injuries to the knee; Leg - rectus femoris muscle - knee extension; hip flexion; Leg - vastus intermedius muscle - extends knee; Leg - vastus lateralis muscle - extends and stabilizes knee; Leg - vastus medialis muscle - extends knee}
      • 
      • fiber: GSE, types={A-alpha-Ia-motor}, endings={MA}, chain={Ventromedial Nucleus,LPC.SC.VH.VM -> 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={Leg - iliacus muscle - flexes and rotates laterally thigh; Leg - sartorius muscle - flexion, lateral rotation and abduction of thigh; flexion and medial rotation of leg}

• • • • fiber: GSE, types={A-alpha-Ia-motor}, endings={MA}, chain={Posteromedial Nucleus,LPC.SC.VH.PM -> Leg,TARGET.TEA.LEG}
  • femoral nerve, thigh, sensory; MODALITY={general sensory}
    • fiber: GSA, types={A-delta-sensory}, endings={SAD}, chain={Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Marginal Nucleus,LPC.SC.PH.LMG}
    • fiber: GSA, types={C-sensory}, endings={SFN}, chain={Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Substantia Gelatinosa,LPC.SC.PH.LSG}
    • femoral nerve, anterior cutaneous; MODALITY={general sensory}
      • cutaneous nerve of thigh, intermediate (MA: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}

• • • • cutaneous nerve of thigh, medial (MA:MEDIAL CUTANEOUS NERVE OF THIGH; medial femoral cutaneous nerve); ORIGIN={femoral nerve, L2/L3}; BRANCHES={anterior, posterior}; MODALITY={general sensory}

• • • femoral nerve, posterior cutaneous; MODALITY={general sensory}
      • cutaneous nerve of thigh, posterior (MA: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}

• genitofemoral nerve, thigh (MA: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={Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Marginal Nucleus,LPC.SC.PH.LMG}
  • fiber: GSA, types={C-sensory}, endings={SFN}, chain={Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Substantia Gelatinosa,LPC.SC.PH.LSG}
  • genitofemoral nerve, femoral branch (MA:FEMORAL BRANCH OF GENITOFEMORAL NERVE); ORIGIN={genitofemoral nerve (L1-L2)}; DISTRIBUTION={supply skin over sheath}; MODALITY={general sensory}
    • 
• gluteal nerve; MODALITY={flexor motor, extensor motor, general sensory}
  • gluteal nerve, inferior (MA:INFERIOR GLUTEAL NERVE); ORIGIN={sacral PLEXUS (L5-S2)}; DISTRIBUTION={gluteus maximus muscle}; MODALITY={extensor motor}; MUSCLES={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}

• • • fiber: GSE, types={A-alpha-Ia-motor}, endings={MA}, chain={Ventromedial Nucleus,LPC.SC.VH.VM -> Leg,TARGET.TEA.LEG}
  • gluteal nerve, superior (MA: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={Leg - gluteus medius muscle - abduction of the hip; preventing adduction of the hip. Medial rotation of thigh; Leg - gluteus minimus muscle - Works in concert with gluteus medius: abduction of the hip; preventing adduction of the hip. Medial rotation of thigh; Leg - tensor fasciae latae muscle - Thigh - flexion, medial rotation. Trunk stabilization}

• • • fiber: GSA, types={A-delta-sensory}, endings={SAD}, chain={Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Marginal Nucleus,LPC.SC.PH.LMG}
    • fiber: GSA, types={C-sensory}, endings={SFN}, chain={Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Substantia Gelatinosa,LPC.SC.PH.LSG}
    • fiber: GSE, types={A-alpha-Ia-motor}, endings={MA}, chain={Posteromedial Nucleus,LPC.SC.VH.PM -> Leg,TARGET.TEA.LEG}
• nerve of quadrate muscle of thigh (MA: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={Leg - gemellus inferior muscle - rotates laterally thigh; Leg - quadratus femoris muscle - lateral rotation of thigh}
  • 
  • fiber: GSA, types={A-delta-sensory}, endings={SAD}, chain={Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Marginal Nucleus,LPC.SC.PH.LMG}
  • fiber: GSA, types={C-sensory}, endings={SFN}, chain={Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Substantia Gelatinosa,LPC.SC.PH.LSG}
  • fiber: GSE, types={A-alpha-Ia-motor}, endings={MA}, chain={Posteromedial Nucleus,LPC.SC.VH.PM -> Leg,TARGET.TEA.LEG}
• nerve to psoas muscles; ORIGIN={lumbar plexus via anterior branches of L1-L3 nerves}; MODALITY={flexor motor}; MUSCLES={Leg - psoas major muscle - flexes and rotates laterally thigh; Leg - psoas minor muscle - weak trunk flexor}
  • fiber: GSE, types={A-alpha-Ia-motor}, endings={MA}, chain={Posteromedial Nucleus,LPC.SC.VH.PM -> 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={Trunk - quadratus lumborum muscle - extension of lumbar vertebral column, with bilateral contraction; alone, lateral flexion of vertebral column; together, depression of thoracic rib cage}

• • fiber: GSE, types={A-alpha-Ia-motor}, endings={MA}, chain={Ventromedial Nucleus,LPC.SC.VH.VM -> Trunk,TARGET.TEA.TRUNK}
• obturator nerve (MA:OBTURATOR NERVE); MODALITY={flexor motor, general sensory}
  • fiber: GSA, types={A-delta-sensory}, endings={SAD}, chain={Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Marginal Nucleus,LPC.SC.PH.LMG}
  • fiber: GSA, types={C-sensory}, endings={SFN}, chain={Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Substantia Gelatinosa,LPC.SC.PH.LSG}
  • fiber: GSE, types={A-alpha-Ia-motor}, endings={MA}, chain={Posteromedial Nucleus,LPC.SC.VH.PM -> Leg,TARGET.TEA.LEG}
  • obturator nerve, accessory (MA:ACCESSORY OBTURATOR NERVE); ORIGIN={ventral branches of ventral branches of L3-L4}; DISTRIBUTION={pectineus muscle, hip joint}; MODALITY={flexor motor, general sensory}; MUSCLES={Leg - pectineus muscle, obturator - thigh - flexion, adduction, medial rotation}

• • obturator nerve, internal (MA: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={Leg - gemellus superior muscle - rotates laterally thigh; Leg - obturator internus muscle - abducts rotates laterally thigh, and stabiliser of the hip during walking}

• • obturator nerve, proper (MA: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={Leg - adductor brevis muscle - adduction of hip; Leg - adductor longus muscle - adduction of thigh; Leg - adductor magnus muscle, obturator - adduction of hip; Leg - adductor minimus muscle, obturator - adduction and lateral rotation of thigh; Leg - gracilis muscle - flexes hip, knee; Leg - obturator externus muscle - adduct thigh, rotate laterally thigh}

• sciatic nerves, second; MODALITY={flexor motor, general sensory}
  • fiber: GSA, types={A-delta-sensory}, endings={SAD}, chain={Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Marginal Nucleus,LPC.SC.PH.LMG}
  • fiber: GSA, types={C-sensory}, endings={SFN}, chain={Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Substantia Gelatinosa,LPC.SC.PH.LSG}
  • piriform nerve (MA:NERVE TO PIRIFORMIS); ORIGIN={dorsal branches of ventral branches of sacral PLEXUS S1-S2}; DISTRIBUTION={anterior piriform muscle}; MODALITY={general sensory, flexor motor}; MUSCLES={Leg - piriformis muscle - rotate laterally (outward) the thigh}
    • 
    • fiber: GSE, types={A-alpha-Ia-motor}, endings={MA}, chain={Posteromedial Nucleus,LPC.SC.VH.PM -> Leg,TARGET.TEA.LEG}