Revision as of 10:49, 16 June 2015

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*: nerves:
• cluneal nerves; MODALITY={general sensory}; FIBERS={GSA:Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Marginal Nucleus,LPC.SC.PH.LMG; GSA: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:[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}; FIBERS={GSA:Trunk,TARGET.TEA.TRUNK -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Marginal Nucleus,LPC.SC.PH.LMG; GSA: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:[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:[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}; FIBERS={GSA:Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Marginal Nucleus,LPC.SC.PH.LMG; GSA:Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Substantia Gelatinosa,LPC.SC.PH.LSG}
  • 
• femoral nerve, thigh (MA:[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={[- 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={[- articularis genu muscle] - pulling the suprapatellar bursa during extension of the knee; [- obliquus genu muscle] - maintaining patella position and limiting injuries to the knee; [- rectus femoris muscle] - knee extension; hip flexion; [- vastus intermedius muscle] - extends knee; [- vastus lateralis muscle] - extends and stabilizes knee; [- vastus medialis muscle] - extends knee}; FIBERS={GSE: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={[- iliacus muscle] - flexes and rotates laterally thigh; [- sartorius muscle] - flexion, lateral rotation and abduction of thigh; flexion and medial rotation of leg}; FIBERS={GSE:Posteromedial Nucleus,LPC.SC.VH.PM -> Leg,TARGET.TEA.LEG}
      • 
  • femoral nerve, thigh, sensory; MODALITY={general sensory}; FIBERS={GSA:Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Marginal Nucleus,LPC.SC.PH.LMG; GSA: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:[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:[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:[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:[NERVE]); ORIGIN={lumbar PLEXUS (L1-L2)}; BRANCHES={femoral branches}; DISTRIBUTION={adjacent area of thigh and femoral triangle}; MODALITY={general sensory}; FIBERS={GSA:Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Marginal Nucleus,LPC.SC.PH.LMG; GSA:Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Substantia Gelatinosa,LPC.SC.PH.LSG}
  • genitofemoral nerve, femoral branch (MA:[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:[GLUTEAL NERVE]); ORIGIN={sacral PLEXUS (L5-S2)}; DISTRIBUTION={gluteus maximus muscle}; MODALITY={extensor motor}; MUSCLES={[- gluteus maximus muscle] - external rotation and extension of the hip joint, supports the extended knee through the iliotibial tract, chief antigravity muscle in sitting}; FIBERS={GSE:Ventromedial Nucleus,LPC.SC.VH.VM -> Leg,TARGET.TEA.LEG}
    • 
  • gluteal nerve, superior (MA:[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={[- gluteus medius muscle] - abduction of the hip; preventing adduction of the hip. Medial rotation of thigh; [- gluteus minimus muscle] - Works in concert with gluteus medius: abduction of the hip; preventing adduction of the hip. Medial rotation of thigh; [- tensor fasciae latae muscle] - Thigh - flexion, medial rotation. Trunk stabilization}; FIBERS={GSA:Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Marginal Nucleus,LPC.SC.PH.LMG; GSA:Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Substantia Gelatinosa,LPC.SC.PH.LSG; GSE:Posteromedial Nucleus,LPC.SC.VH.PM -> Leg,TARGET.TEA.LEG}
    • 
• nerve of quadrate muscle of thigh (MA:[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={[- gemellus inferior muscle] - rotates laterally thigh; [- quadratus femoris muscle] - lateral rotation of thigh}; FIBERS={GSA:Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Marginal Nucleus,LPC.SC.PH.LMG; GSA:Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Substantia Gelatinosa,LPC.SC.PH.LSG; GSE: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={[- psoas major muscle] - flexes and rotates laterally thigh; [- psoas minor muscle] - weak trunk flexor}; FIBERS={GSE: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={[- quadratus lumborum muscle] - extension of lumbar vertebral column, with bilateral contraction; alone, lateral flexion of vertebral column; together, depression of thoracic rib cage}; FIBERS={GSE:Ventromedial Nucleus,LPC.SC.VH.VM -> Trunk,TARGET.TEA.TRUNK}
  • 
• obturator nerve (MA:[NERVE]); MODALITY={flexor motor, general sensory}; FIBERS={GSA:Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Marginal Nucleus,LPC.SC.PH.LMG; GSA:Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Substantia Gelatinosa,LPC.SC.PH.LSG; GSE:Posteromedial Nucleus,LPC.SC.VH.PM -> Leg,TARGET.TEA.LEG}
  • obturator nerve, accessory (MA:[OBTURATOR NERVE]); ORIGIN={ventral branches of ventral branches of L3-L4}; DISTRIBUTION={pectineus muscle, hip joint}; MODALITY={flexor motor, general sensory}; MUSCLES={[- pectineus muscle, obturator] - thigh - flexion, adduction, medial rotation}
    • 
  • obturator nerve, internal (MA:[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={[- gemellus superior muscle] - rotates laterally thigh; [- obturator internus muscle] - abducts rotates laterally thigh, and stabiliser of the hip during walking}
    • 
  • obturator nerve, proper (MA:[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={[- adductor brevis muscle] - adduction of hip; [- adductor longus muscle] - adduction of thigh; [- adductor magnus muscle, obturator] - adduction of hip; [- adductor minimus muscle, obturator] - adduction and lateral rotation of thigh; [- gracilis muscle] - flexes hip, knee; [- obturator externus muscle] - adduct thigh, rotate laterally thigh}
    • 
• sciatic nerves, second; MODALITY={flexor motor, general sensory}; FIBERS={GSA:Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Marginal Nucleus,LPC.SC.PH.LMG; GSA:Leg,TARGET.TEA.LEG -> Lower Dorsal Root Ganglion,LPC.PN.SG.LDRG -> Lower Substantia Gelatinosa,LPC.SC.PH.LSG}
  • piriform nerve (MA:[TO PIRIFORMIS]); ORIGIN={dorsal branches of ventral branches of sacral PLEXUS S1-S2}; DISTRIBUTION={anterior piriform muscle}; MODALITY={general sensory, flexor motor}; MUSCLES={[- piriformis muscle] - rotate laterally (outward) the thigh}; FIBERS={GSE:Posteromedial Nucleus,LPC.SC.VH.PM -> Leg,TARGET.TEA.LEG}
    •