Session Six Thigh (Compartments) Posterior Compartment Anterior Compartment Medial Compartment

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  • Session SixThigh (Compartments)Posterior CompartmentAnterior CompartmentMedial Compartment

  • Thigh by deep fascia ( fascia lata ) divided in to three compartments and form anatomical spaces (femoral triangle and adductor canal ).Thigh

  • Thigh ANTERIOR COMPARTMENTPOSTERIORCOMPARTMENTMEDIALCOMPARTMENT

  • Ant. CompartmentMuscles Arterial Supply Nerve Supply Femoral ArteryFemoral nerveFemoral nerve is formed of (L2, L3, L4) greater branches of lumbar plexusFemoral artery is continuation of the external iliac arteryPsoas MajorIliacusSartoriusQuadriceps:Rectus femorisVastus medialisVastus lateralisVastus intermedius

  • BackAnterior Compartment Muscles

  • Back

    Muscles of the anterior compartment of thighMuscleOriginInsertionInnervationFunctionPsoas majorPosterior abdominal wall (lumbar transverse processes, intervertebral discs, and adjacent bodies from T12 toL5 Lesser trochanter of femurAnterior rami L1,L2,L3Flexes the thigh at the hip jointIliacusPosterior abdominal wall (iliac fossa)Lesser trochanter of femurFemoral nerve [L2,L3]Flexes the thigh at the hip jointSartoriusAnterior superior iliac spineAnterior surface of tibia just inferolateral to tibial tuberosityFemoral nerve [L2,L3]Flex, Abd, & Lat.rotation the thigh at the hip joint and flexes the leg at the knee joint

  • BackAnterior Compartment Muscles

  • Back

    Muscles of the anterior compartment of thigh (continue)MuscleOriginInsertionInnervationFunctionRectus femorisStraight head originates from the anterior inferior iliac spine; reflected head originates from the ilium just superior to the acetabulumQuadriceps femoris tendonFemoral nerve [L2,L3,L4]Flexes the thigh at the hip joint and Extends the leg at the knee jointVastus medialisMedial part of intertrochanteric line, Spiral line, medial lip of the linea aspera, medial supracondylar line of femurQuadriceps femoris tendon and medial border of patella Femoral nerve [L2,L3,L4]Extends the leg at the knee jointVastus intermediusUpper two-thirds of anterior and lateral surfaces of femurQuadriceps femoris tendon and base of patellaFemoral nerve [L2,L3,L4]Extends the leg at the knee jointVastus lateralisLateral part of intertrochanteric line, margin of greater trochanter, lateral margin of gluteal tuberosity, lateral lip of the linea aspera Quadriceps femoris tendon and lateral margin of patella Femoral nerve [L2,L3,L4]Extends the leg at the knee joint

  • Back

  • Ant. CompartmentMuscles Arterial Supply Nerve Supply SartoriusQuadriceps Femoral ArteryFemoral nerveReview

  • Post. CompartmentMuscles Arterial Supply Nerve Supply Hamstring:SemitendinosusSemimembranosusBiceps femorisProfonda femoris:Branch of femoral arterySciatic nerveSciatic nerve is formed of (L4, L5, S1, S2, S3) branches of sacral plexus

  • BackPosterior Compartment Muscles

  • Back

    Muscles of the posterior compartment of thighMuscleOriginInsertionInnervationFunctionBiceps femorisLong head-inferomedial part of the upper area of the ischial tuberosity; short head-lateral lip of linea asperaHead of fibulaSciatic nerve [L5 to S2]Flexes leg at knee joint; extends and laterally rotates thigh at hip joint and laterally rotates leg at knee jointSemitendinosusInferomedial part of the upper area of the ischial tuberosityMedial surface of proximal tibiaSciatic nerve [L5 to S2]Flexes leg at knee joint and extends thigh at hip joint; medially rotates the thigh at the hip joint and leg at the knee jointSemimembranosusSuperolateral impression on the ischial tuberosityGroove and adjacent bone on medial and posterior surface of medial condyle of tibiaSciatic nerve [L5,S1,S2]Flexes leg at knee joint and extends thigh at hip joint; medially rotates thigh at the hip joint and leg at the knee joint

  • Back

  • Post. CompartmentMuscles Arterial Supply Nerve Supply Hamstring:SemitendinosusSemimembranosusBiceps femorisProfonda femorisFemoral nerveBranch of femoral arteryReviewSciatic nerve is formed of (L4, L5, S1, S2, S3) branches of sacral plexus