MMB[043] Front of Thigh Flashcards
(55 cards)
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Action of tensor fascia lata ?
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-extension of knee through iliotibial tract
- acts as a splint for knee
-helps to stabilize pelvis on thigh
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Root value of knee jerk reflex ?
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L2,3,4
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longest muscle in the body ?
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Sartorius
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The main nerve supply of the anterior compartment of the thigh ?
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Femoral nerve
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Origin of Femoral nerve ?
ventral rami of Lumbar 2,3,4
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Course of Femoral nerve ?
• Enters at the midpoint of inguinal ligament
• Ends by dividing into anterior and posterior divisions
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Muscular supply of Femoral nerve ?
-iliacus
-pectineus
-sartorius muscle
-quadriceps femoris
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main blood supply of the lower limb ?
Femoral artery
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Origin of the Femoral artery ?
Continuation of external iliac artery.
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Termination of Femoral artery ?
Pass through adductor opening---popliteal artery
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Surface anatomy of Femoral artery ?
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Branches of the femoral artery ?
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Femoral artery catheterization used in ?
• Left cardiac angiography.
• To visualize the coronary arteries
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Origin of Femoral vein ?
continuation of popliteal v at opening in adductor magnus
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End of Femoral vein ?
becomes external iliac vein
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Course of Femoral vein ?
it ascends through adductor canal >> femoral triangle from apex to base >> leaving it behind inguinal ligament
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Femoral triangle ?
A triangular depression in front of upper 1/3 of thigh just below inguinal ligament
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Boundaries of the Femoral triangle ?
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Apex of the Femoral triangle ?
meeting of medial & lateral borders
& is continuous below with adductor canal
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Roof of the Femoral triangle ?
-Skin
-Superficial fascia :
Superficial inguinal LNs
Upper part of GSV
Cutaneous nerves
Superficial brs of femoral artery
-Deep fascia :
Saphenous opening
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Floor of the Femoral triangle ?
lateral to medial :
-iliacus
-psoas major
-pectineus
-adductor longus
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Three main contents of the Femoral triangle ?
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List all contents of the Femoral triangle
1-Femoral artery and its branches.
2-Femoral vein and its tributaries.
3-Femoral sheath
4-Femoral nerve with its branches.
5- Femoral branch of the genitofemoral nerve.
6-Lateral cutaneous nerve of the thigh
7-Deep inguinal lymph nodes.
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What structure crosses lateral angle of the femoral triangle ?
6-Lateral cutaneous nerve of the thigh
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Define the Femoral sheath
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Ant. wall of the Femoral sheath ?
Ant. wall is formed by fascia transversalis
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Post .wall of the Femoral sheath ?
formed by fascia iliaca
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Function of the femoral sheath ?
It allows easy ,smooth gliding of the femoral vessels during flexion and extension of the thigh
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What’s the Femoral canal ?
-It is the medial compartment of the F. sheath.
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Function of the Femoral canal ?
The femoral canal is a potential space which allows distension of the femoral vein which occurs with the increased venous return during muscular exercise.
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Mention four clinically significant points at risk of abdominal hernia
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How to differentiate between inguinal and femoral hernia ?
Neck of femoral hernia lies below and lateral to pubic tubercle, while that of inguinal hernia lies above and medial to it.
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Define Femoral hernia
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Common vessel injury that might occur during surgical reduction of femoral hernia ?
Injury of an abnormal obturator artery which crosses the lacunar ligament
