GlutealGlutealMuscles Muscles 1.1.1.GluteusGluteusGluteus maximusmaximusmaximus... 2.2.2.GluteusGluteusGluteus mediusmediusmedius... 3.3.3.GluteusGluteusGluteus minimusminimusminimus... 4.4.4.TensorTensorTensor fasciaefasciaefasciae lataelataelatae... 5.5.5.Piriformis.PiriformisPiriformis.. 6.6.6.SuperiorSuperiorSuperior gemellusgemellusgemellus... 7.7.7.InferiorInferiorInferior gemellusgemellusgemellus... 8.8.8.ObturatorObturatorObturator internusinternus internus... 9.9.9.QuadratusQuadratusQuadratus femorisfemoris femoris... GluteusGluteus maximusmaximus ¾¾ Origin:Origin: 1.1. OuterOuter surfacesurface ofof iliumiliumilium... 2.2. PosteriorPosterior surfacesurface ofof sacrum.sacrum. 3.3. SacrotuberousSacrotuberous ligament.ligament. ¾¾ Insertion:Insertion: 1.1. IlioIlio Ilio-tibial--tibialtibial tract.tract. 2.2. GlutealGluteal tuberositytuberosity ofof femur.femur. ¾¾ NerveNerve Supply:Supply: InferiorInferior glutealgluteal nerve.nerve. ¾¾ Action:Action: A.A. ExtensionExtension ofof thethe hiphip joint.joint. B.B. LateralLateral rotationrotation ofof thethe hiphip joint.joint. C.C. MaintenanceMaintenance ofof thethe extendedextended kneeknee joint.joint. GluteusGluteus mediusmedius ¾¾ Origin:Origin: OuterOuter surfacesurface ofof iliumiliumilium... ¾¾ Insertion:Insertion: LateralLateral surfacesurface ofof thethe greatergreater trochantertrochanter ofof femurfemur ¾¾ NerveNerve Supply:Supply: SuperiorSuperior glutealgluteal nerve.nerve. ¾¾ Action:Action: A.A. AbductionAbduction ofof thethe thighthigh (with(with gluteusgluteus minimusminimus andand tensortensor fasciaefasciae lataelataelatae).).). B.B. MedialMedial rotationrotation ofof thethe thithigghh ((anterioranterior fibersfibers)).. GluteusGluteus minimusminimus ¾¾ Origin:Origin: OuterOuter surfacesurface ofof iliumiliumilium... ¾¾ Insertion:Insertion: AnteriorAnterior surfacesurface ofof thethe greatergreater trochantertrochanter ofof femurfemur ¾¾ NerveNerve Supply:Supply: SuperiorSuperior glutealgluteal nerve.nerve. ¾¾ Action:Action: A.A. AbductionAbduction ofof thethe thighthigh (with(with gluteusgluteus mediusmedius andand tensortensor fasciaefasciae lataelataelatae).).). B.B. MedialMedial rotationrotation ofof thethe thithigghh ((anterioranterior fibersfibers)).. TensorTensor FasciaeFasciae LataeLatae ¾¾ Origin:Origin: OuterOuter liplip ofof iliaciliac crest.crest. ¾¾ Insertion:Insertion: ThroughThrough thethe ilioilioilio-tibial--tibialtibial tracttract toto thethe laterallateral condylecondyle ofof thethe tibiatibia ¾¾ NerveNerve Supply:Supply: SuperiorSuperior glutealgluteal nerve.nerve. ¾¾ Action:Action: A.A. AbductionAbduction ofof thethe thighthigh (with(with gluteusgluteus mediusmedius andand minimusminimusminimus).).). B.B. MaintenanceMaintenance ofof thethe extendedextended kneeknee (with(with gluteusgluteus maximusmaximusmaximus).).). PiriformisPiriformis ¾¾ Origin:Origin: AnteriorAnterior surfacesurface ofof thethe 22ndnd,, 33rdrd andand 44thth sacralsacral vertebrae.vertebrae. ¾¾ Insertion:Insertion: UpperUpper borderborder ofof thethe greatergreater trochantertrochanter ofof femurfemur ¾¾ NerveNerve Supply:Supply: AnteriorAnterior ramirami ofof thethe 11stst andand 22ndnd sacralsacral nerves.nerves. ¾¾ Action:Action: LateralLateral rotationrotation ofof thethe thighthigh (hip(hip joint).joint). SuperiorSuperior gemellusgemellus ¾¾ Origin:Origin: SpineSpine ofof ischiumischiumischium... ¾¾ Insertion:Insertion: ThroughThrough thethe tendontendon ofof thethe obturatorobturator internusinternus internus,,, itit isis insertedinserted intointo thethe upperupper borderborder ofof thethe greatergreater trochantertrochanter ofof femur.femur. ¾¾ NerveNerve Supply:Supply: NerveNerve toto obturatorobturator internusinternus internus... ¾¾ Action:Action: LateralLateral rotationrotation ofof thethe thighthigh (hip(hip joint).joint). InferiorInferior gemellusgemellus ¾¾ Origin:Origin: UpperUpper marginmargin ofof ischialischial tuberositytuberosity tuberosity... ¾¾ Insertion:Insertion: ThroughThrough thethe tendontendon ofof thethe obturatorobturator internusinternus internus,,, itit isis insertedinserted intointo thethe upperupper borderborder ofof thethe greatergreater trochantertrochanter ofof femur.femur. ¾¾ NerveNerve SupplySupplySupply::: NerveNerve toto quadratusquadratus femorisfemoris femoris... ¾¾ Action:Action: LateralLateral rotationrotation ofof thethe thighthigh (hip(hip joint).joint). ObturatorObturatorinternus internus ¾¾ Origin:Origin: InnerInner surfacesurface ofof obturatorobturator membranemembrane andand surroundingsurrounding bones.bones. ¾¾ Insertion:Insertion: UpperUpper borderborder ofof thethe greatergreater trochantertrochanter ofof femurfemur ¾¾ NerveNerve Supply:Supply: NerveNerve toto obturatorobturator internusinternus internus... ¾¾ Action:Action: LateralLateral rotationrotation ofof thethe thighthigh (hip(hip joint).joint). QuadratusQuadratusFemoris Femoris ¾¾ Origin:Origin: LateralLateral borderborder ofof ischialischial tuberositytuberosity tuberosity... ¾¾ Insertion:Insertion: QuadrateQuadrate tubercletubercle ofof thethe femurfemur ¾¾ NerveNerve Supply:Supply: NerveNerve toto quadratusquadratus femorisfemoris femoris... ¾¾ Action:Action: LateralLateral rotationrotation ofof thethe thighthigh (hip(hip joint).joint). Muscles of the Anterior Muscles:Muscles: Compartment of the Thigh 1.1.1.Sartorius.Sartorius.Sartorius. 2.2.2.Iliacus.IliacusIliacus.. 3.3.3.PsoasPsoasPsoas major.major. 4.4.4.Pectineus.PectineusPectineus.. 5.5.5.QuadricepsQuadricepsQuadriceps FemorisFemorisFemoris... SartoriusSartorius ¾¾ Origin:Origin: AnteriorAnterior superiorsuperior iliaciliac spine.spine. ¾¾ Insertion:Insertion: UpperUpper partpart ofof thethe medialmedial surfacesurface ofof thethe shaftshaft ofof thethe tibia.tibia. ¾¾ NerveNerve Supply:Supply: FemoralFemoral nerve.nerve. ¾¾ Action:Action: A.A. Flexion,Flexion, abductionabduction andand laterallateral rotationrotation ofof thethe thigh.thigh. B.B. FlexionFlexion andand medialmedial rotationrotation ofof thethe leg.leg. IliacusIliacus ¾¾ Origin:Origin: IliacIliac fossafossafossa... ¾¾ Insertion:Insertion: LesserLesser trochantertrochanter ofof thethe femur.femur. ¾¾ NerveNerve Supply:Supply: FemoralFemoral nerve.nerve. ¾¾ Action:Action: A.A.A.FlexionFlexionFlexion ofof thethe thigh.thigh. B.B.B.HelpsHelpsHelps inin MedialMedial rotationrotation ofof thigh.thigh. PsoasPsoasmajormajor ¾¾ Origin:Origin: TransverseTransverse processesprocesses andand sidessides fromfrom 1212thth thoracicthoracic toto 55thth lumbarlumbar vertebrae.vertebrae. ¾¾ Insertion:Insertion: LesserLesser trochantertrochanter ofof thethe femur.femur. ¾¾ NerveNerve Supply:Supply: BranchesBranches fromfrom lumbarlumbar plexus.plexus. ¾¾ Action:Action: A.A. FlexionFlexion ofof thethe thigh.thigh. B.B. HelpsHelps inin MedialMedial rotationrotation ofof thigh.thigh. PectineusPectineus ¾¾ Origin:Origin: SuperiorSuperior pubicpubic ramusramusramus... ¾¾ Insertion:Insertion: UpperUpper endend ofof linealinea asperaaspera ofof femur.femur. ¾¾ NerveNerve Supply:Supply: 1.1. FemoralFemoral nerve.nerve. 2.2. ObturatorObturator nerve.nerve. ¾¾ Action:Action: A.A. FlexionFlexion ofof thethe thigh.thigh. B.B. AdductionAdduction ofof thethe thigh.thigh. QuadricepsQuadriceps FemorisFemoris RectusRectus FemorisFemoris ¾¾ Origin:Origin: Ant.Ant. Sup.Sup. IliacIliac SpineSpine ++ IliumIlium aboveabove acetabulumacetabulum ¾¾ Insertion:Insertion: QuadricepsQuadriceps tendontendon andand patella.patella. ¾¾ NerveNerve Supply:Supply: FemoralFemoral nerve.nerve. ¾¾ Action:Action: ExtensionExtension ofof thethe kneeknee joint.joint. QuadricepsQuadriceps FemorisFemoris VastusVastus LateralisLateralis ¾¾ Origin:Origin: InterInterInter-trochanteric--trochanterictrochanteric lineline ++ linealinea asperaaspera ¾¾ Insertion:Insertion: QuadricepsQuadriceps tendontendon andand patella.patella. ¾¾ NerveNerve Supply:Supply: FemoralFemoral nerve.nerve. ¾¾ Action:Action: ExtensionExtension ofof thethe kneeknee joint.joint. QuadricepsQuadriceps FemorisFemoris VastusVastus MedialisMedialis ¾¾ Origin:Origin: InterInterInter-trochanteric--trochanterictrochanteric lineline ++ linealinea asperaaspera ¾¾ Insertion:Insertion: QuadricepsQuadriceps tendontendon andand patella.patella. ¾¾ NerveNerve Supply:Supply: FemoralFemoral nerve.nerve. ¾¾ Action:Action: ExtensionExtension ofof thethe kneeknee joint.joint. QuadricepsQuadriceps FemorisFemoris VastusVastus IntermediusIntermedius ¾¾ Origin:Origin: AnteriorAnterior andand laterallateral surfacessurfaces ofof thethe shaftshaft ofof thethe femurfemur ¾¾ Insertion:Insertion: QuadricepsQuadriceps tendontendon andand patella.patella. ¾¾ NerveNerve Supply:Supply: FemoralFemoral nerve.nerve. ¾¾ Action:Action: ExtensionExtension ofof thethe kneeknee joint.joint. Muscles of the Medial Muscles:Muscles: Compartment of the Thigh 1.1.1.Gracilis.GracilisGracilis.. 2.2.2.AdductorAdductorAdductor longuslonguslongus... 3.3.3.AdductorAdductorAdductor brevisbrevisbrevis... 4.4.4.AdductorAdductorAdductor magnusmagnusmagnus... 5.5.5.ObturatorObturatorObturator externusexternus externus... GracilisGracilis ¾¾ Origin:Origin: InferiorInferior pubicpubic ramusramus andand ischialischial ramusramus ramus... ¾¾ Insertion:Insertion: UpperUpper partpart ofof thethe medialmedial surfacesurface ofof thethe shaftshaft ofof thethe tibia.tibia. ¾¾ NerveNerve Supply:Supply: ObturatorObturator nervenerve ¾¾ Action:Action: A.A. AbductionAbduction ofof thethe thigh.thigh. B.B. FlexionFlexion ofof thethe leg.leg. AdductorAdductor LongusLongus ¾¾ Origin:Origin: