#summary Trunk @@[Home] -> [BiologicalLifeResearch] -> [BrainAreaTEA] -> [BrainRegionTARGET_TEA_TRUNK] ---- This page covers biological details of component Trunk. Region is part of aHuman target integrated biological model. * *Top-down path to region*: Target -> Human Effectors (aHumanEffectors) -> [BrainRegionTARGET_TEA_TRUNK Trunk] (TARGET.TEA.TRUNK) (see [OverallMindMaps Mind Maps]) * *Type*: effector * *Quality*: L0 * *Brain area*: [BrainAreaTEA Effector Area] (TEA) * *Area circuit*: TARGET.TEA.TRUNK Circuit (TARGET.TEA.TRUNK.CIRCUIT) * *Role*: targeteffector * *Function*: Body Movements (generated) = Components = (generated) *Component items*: * *Trunk sensory data* (*trunk-sensory-data*) * Trunk - upper somatic receptors (trunk-upper-somatic-receptors -> [BrainRegionLPC_PN_SG_UDRG LPC.PN.SG.UDRG]): somatic sensation from skin of upper region * Trunk - lower somatic receptors (trunk-lower-somatic-receptors -> [BrainRegionLPC_PN_SG_LDRG LPC.PN.SG.LDRG]): somatic sensation from skin of lower abdomen and lateral side of gluteal region * *Trunk back* (*trunk-back*) * *Trunk back flexors* (*trunk-back-flexors*) * [http://en.wikipedia.org/wiki/Iliocostalis Trunk - iliocostalis muscle] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesTorso trunk-iliocostalis-muscle]): extends and lateral flexes spine * [http://en.wikipedia.org/wiki/Rotatores_muscle Trunk - rotatores muscles] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesTorso trunk-rotatores-muscles]): facilitates the unilateral rotation and bilateral extension of the spine * [http://en.wikipedia.org/wiki/Spinalis Trunk - spinalis muscle] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesTorso trunk-spinalis-muscle]): lateral flexion of spine * *Trunk back extensors* (*trunk-back-extensors*) * [http://en.wikipedia.org/wiki/Semispinalis_dorsi Trunk - semispinalis dorsi (thoracis)] ([BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM] -> [HumanMusclesTorso trunk-semispinalis-dorsi-thoracis]): extends vertebral column * [http://en.wikipedia.org/wiki/Interspinales_muscle Trunk - interspinales muscles] ([BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM] -> [HumanMusclesTorso trunk-interspinales-muscles]): aid in extension and rotation of vertebral column * [http://en.wikipedia.org/wiki/Intertransversarii_muscle Trunk - intertransversarii muscle] ([BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM] -> [HumanMusclesTorso trunk-intertransversarii-muscle]): aid in lateral flexion of vertebral column; acting bilaterally, stabilize vertebral column * [http://en.wikipedia.org/wiki/Levatores_costarum_muscles Trunk - levatores costarum muscles] ([BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM] -> [HumanMusclesTorso trunk-levatores-costarum-muscles]): elevate ribs, assisting respiration; assist with lateral flexion of vertebral column} * [http://en.wikipedia.org/wiki/Longissimus Trunk - longissimus muscle] ([BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM] -> [HumanMusclesTorso trunk-longissimus-muscle]): extends spine * [http://en.wikipedia.org/wiki/Multifidus_muscle Trunk - multifidus muscle] ([BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM] -> [HumanMusclesTorso trunk-multifidus-muscle]): stabilizes vertebrae in local movements of vertebral column * [http://en.wikipedia.org/wiki/Quadratus_lumborum_muscle Trunk - quadratus lumborum muscle] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesTorso trunk-quadratus-lumborum-muscle]): extension of lumbar vertebral column, with bilateral contraction; alone, lateral flexion of vertebral column; together, depression of thoracic rib cage * [http://en.wikipedia.org/wiki/Semispinalis_cervicis Trunk - semispinalis cervicis] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesTorso trunk-semispinalis-cervicis-muscle]): extends and rotates the head to the contralateral side and also extends the ribs * *Trunk chest* (*trunk-chest*) * *Trunk chest flexors* (*trunk-chest-flexors*) * [http://en.wikipedia.org/wiki/External_intercostal_muscles Trunk - external intercostal muscles] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesTorso trunk-external-intercostal-muscles]): aid in quiet and forced inhalation * [http://en.wikipedia.org/wiki/Serratus_posterior_superior_muscle Trunk - serratus posterior superior muscle] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesTorso trunk-serratus-posterior-superior-muscle]): elevate the ribs which aids in inspiration * *Trunk chest extensors* (*trunk-chest-extensors*) * [http://en.wikipedia.org/wiki/Semispinalis_dorsi Trunk - subcostalis muscle] ([BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM] -> [HumanMusclesTorso trunk-subcostalis-muscle]): synergist in aiding the internal intercostal muscles with forced exhalation * [http://en.wikipedia.org/wiki/Semispinalis_dorsi Trunk - transversus thoracis muscle] ([BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM] -> [HumanMusclesTorso trunk-transversus-thoracis-muscle]): depresses the ribs; aids in exertional expiration by decreasing the transverse diameter of the thoracic cage * [http://en.wikipedia.org/wiki/Internal_intercostal_muscles Trunk - internal intercostal muscles] ([BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM] -> [HumanMusclesTorso trunk-internal-intercostal-muscles]): aid in forced expiration * [http://en.wikipedia.org/wiki/Serratus_posterior_inferior_muscle Trunk - serratus posterior inferior muscle] ([BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM] -> [HumanMusclesTorso trunk-serratus-posterior-inferior-muscle]): depress the lower ribs, aiding in expiration * *Trunk abdomen* (*trunk-abdomen*) * *Trunk abdomen flexors* (*trunk-abdomen-flexors*) * [http://en.wikipedia.org/wiki/Rectus_abdominis_muscle Trunk - rectus abdominis muscle] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesTorso trunk-rectus-abdominis-muscle]): flexion of trunk/lumbar vertebrae; keeping the internal organs intact and in creating intra-abdominal pressure, such as when exercising or lifting heavy weights * [http://en.wikipedia.org/wiki/Abdominal_internal_oblique_muscle Trunk - abdominal internal oblique muscle] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesTorso trunk-internal-oblique-muscle]): compresses abdomen and rotates vertebral column * [http://en.wikipedia.org/wiki/Pyramidalis_muscle Trunk - pyramidalis muscle] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesTorso trunk-pyramidalis-muscle]): tensing the linea alba * [http://en.wikipedia.org/wiki/Abdominal_external_oblique_muscle Trunk - abdominal external oblique muscle] ([BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] -> [HumanMusclesTorso trunk-abdominal-external-oblique-muscle]): rotates torso * *Trunk abdomen extensors* (*trunk-abdomen-extensors*) * [http://en.wikipedia.org/wiki/Transversus_abdominis_muscle Trunk - transversus abdominis muscle] ([BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM] -> [HumanMusclesTorso trunk-transversus-abdominis]): compress the ribs and viscera, providing thoracic and pelvic stability = Connectivity = (generated) http://ahuman.org/svn/ahwiki/images/dot/TARGET.TEA.TRUNK.dot.png *Inbound Region Connections:* || *Source Area* || *Source Region* || *Source Name* || *Type* || *Role* || *Reference* || || [BrainAreaLPC LPC] || [BrainRegionLPC_SC_VH_PM LPC.SC.VH.PM] || Posteromedial Nucleus || trunk-abdominal-external-oblique-muscle || (none) ||(unknown reference) || || || [BrainRegionLPC_SC_VH_VM LPC.SC.VH.VM] || Ventromedial Nucleus || semispinalis-capitis-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 || trunk-lower-somatic-receptors || (none) || (unknown reference) || || || [BrainRegionLPC_PN_SG_UDRG LPC.PN.SG.UDRG] || Upper Dorsal Root Ganglion || trunk-upper-somatic-receptors || (none) || (unknown reference) || = Thirdparty Circuits = (generated) * no circuits defined = References = (generated) * no references defined