3 Compartments of the Thigh Posterior CompartmentAnterior CompartmentMedial Compartment
4 Thigh to three compartments and form anatomical Thigh by deep fascia( fascia lata ) divided into three compartments and form anatomicalspaces (femoral triangle and adductor canal ).
5 Post. Compartment Muscles Arterial Supply Nerve Supply Hamstring: SemitendinosusSemimembranosusBiceps femorisMusclesArterial SupplyProfonda femoris:Branch of femoral arteryNerve SupplySciatic nerveSciatic nerve is formed of (L4, L5, S1, S2, S3) branches of sacral plexus
6 Muscles of the posterior compartment of thigh OriginInsertionInnervationFunctionBiceps 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 tibiaFlexes 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 jointBack
18 Branch of femoral artery ReviewPost. CompartmentHamstring:SemitendinosusSemimembranosusBiceps femorisMusclesArterial SupplyProfonda femorisBranch of femoral arteryNerve SupplyFemoral nerveSciatic nerve is formed of (L4, L5, S1, S2, S3) branches of sacral plexus
20 Compartments of the Thigh Posterior CompartmentAnterior CompartmentMedial Compartment
21 Femoral artery is continuation of the external iliac artery Ant. CompartmentPsoas MajorIliacusSartoriusQuadriceps:Rectus femorisVastus medialisVastus lateralisVastus intermediusMusclesArterial SupplyFemoral ArteryFemoral artery is continuation of the external iliac arteryNerve SupplyFemoral nerveFemoral nerve is formed of (L2, L3, L4) greater branches of lumbar plexus
23 Muscles of the anterior compartment of thigh OriginInsertionInnervationFunctionPsoas majorPosterior abdominal wall (lumbar transverse processes, intervertebral discs, and adjacent bodies from T12 toL5Lesser trochanter of femurAnterior rami L1,L2,L3Flexes the thigh at the hip jointIliacusPosterior abdominal wall (iliac fossa)Femoral nerve [L2,L3]SartoriusAnterior superior iliac spineAnterior surface of tibia just inferolateral to tibial tuberosityFlex, Abd, & Lat.rotation the thigh at the hip joint and flexes the leg at the knee jointQuadriceps
27 Muscles of the anterior compartment of thigh (continue) OriginInsertionInnervationFunctionRectus 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 patellaExtends the leg at the knee jointVastus intermediusUpper two-thirds of anterior and lateral surfaces of femurQuadriceps femoris tendon and base of patellaVastus lateralisLateral part of intertrochanteric line, margin of greater trochanter, lateral margin of gluteal tuberosity, lateral lip of the linea asperaQuadriceps femoris tendon and lateral margin of patellaBack
51 Muscles of the medial compartment of thigh OriginInsertionInnervationFunctionGracilisExternal surfaces of the body of the pubis and Ischiopubic ramiMedial surface of proximal shaft of the tibiaObturator nerve [L2,L3]Adducts thigh at hip joint and flexes leg at knee jointPectineusPectineal line and Pectineal surface of superior ramusPectineal line in posterior surface of proximal femurFemoral nerve [L2,L3]Adducts and flexes thigh at hip jointAdductor longusExternal surface of body of pubis (triangular depression inferior to pubic crest and lateral to pubic symphysis)Linea aspera on middle one-third of shaft of femurObturator nerve [L2,L3,L4]Adducts and medially rotates thigh at hip jointAdductor brevisExternal surface of body of pubis and inferior pubic ramusPosterior surface of proximal femur and upper one-third of linea asperaObturator nerve[L2,L3]Adducts thigh at hip jointAdductor magnusAdductor part-Ischiopubic ramiHamstring part-ischial tuberosityPosterior surface of proximal femur, linea aspera, medial supracondylar lineAdductor TubercleObturator nerve [L2,L3,L4]Sciatic nerve (tibial division) [L2,L3,L4]Back
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