LL: Thigh Flashcards by Matt Gunnee

Muscles of anterior compartment

Illiacus

Psoas

Quadiceps femoris : vastus lateralis, intermedius, medialis, recetus femoris

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Origin and insertion of Psoas major

TX11 to LV

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Origin and insertion of Iliacus

Iliac fossa

Lesser trochanter

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Origin and insertion of Vastus medialis, intermedius and lateralis

Intertrochanteric line

Quadriceps femoris tendon

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Origin and insertion of rectus femoris

Straight head from ASIS, reflected head from ilieum

Quadriceps femoris tendon

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Origin and insertion of sartorius

ASIS

Medial to tibial tuberosity

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Action of psoas major

Flexes thigh at hip

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Action of iliacus

Flexes thigh at hip

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Action of Vastus muscles

Knee extension

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Action of rectus femoris

Hip flexion and knee extension

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Action of sartorius

Hip flexion

Knee flexion

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Iliacus innervation

Femoral

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Psoas innervation

L1 to L3

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Pes anserinus

Combined tendons of sartorius, gracilis and semitendinosus insertion on tibia

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Muscles of medial compartment

Obturator externus

Adductor magnus

Pectineus

Adductor brevis

Adductor longus

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Origin and insertion of gracillis

Body of pubis to medial tibia

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Origin and insertion of pectineus

Pectineal line of pubis to lesser trochanter/linea aspera

Origin and insertion of adductor longus

Body of pubis to Linea aspera

Origin and insertion of adductor brevis

Body of pubic bone to posterior femur

Origin and insertion of adductor magnus

ischial tuborosity to adductor tubercle

Origin and insertion of obturator externus

External surface of obturator membrane to trochanteric fossa

Innervation of medial compartment

Mostly obturator nerve

Pectineus: femoral

Adductor magnus: sciatic and obturator

Action of gracillis

Adducts hip

Flexes knee

Action of pectineus

Adducst hip

Flexes hip

Action of adductor longus, brevis and magnus

Adducts hip Medially rotate thigh at hip joint

Action of obturator externus

Laterally rotates thigh at hip joint

Borders of adductor canal

Posterior: adductor magnus and longus Anterior/lateral: vastus medialis Medial: sartorius

Contents of adductor canal

Femoral artery, vein Saphenous nerve

Muscles of the posterior compartment

Biceps femoris Semitendious Semimembranous

Origin and insertion of biceps femoris

Ischial tuborosity to head of fibula

Origin and insertion of semitendinous

Ischial tuberosity to tibia

Origin and insertion of semimembranous

ischial tuborosity to medial tibia

Innervation of posterior compartment

Sciatic nerve

Action of posterior compartment

Knee flexion Hip extension

Arterial supply of the thigh

Profunda femoris gives of medial and lateral circumflex femoral arteries

Femoral nerve branches

Which tendon is used in ACL repair

semitendinous or patellar tendon

Dynamic stabilisers of patella (prevent recurrance of dislocation)

Anteriorly quads Posteriorly hamstrings Medial/lateral: gastrocnemius

Origin and insertion of ACL

Medial wall of lateral condyl to intercondylar eminence

Innervation of short and long head of biceps femoris

Short- common fibular Long- tibial nerve

Which artery could be injured at the saphenofemoral junction

deep external pudendal artery (branch of superficial femoral artery)