Anatomy of the Thigh: Superficial and Deep Fascia Layers
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Questions and Answers

What is the name of the sharp crescentic border formed by the well-defined upper, lower, and lateral margins of the structure described?

  • Cribriform fascia
  • Falciform margin (correct)
  • Supracondylar ridges
  • Linea aspera

    • Which of the following structures is NOT mentioned as piercing the roof of the structure, which is formed by the cribriform fascia?

  • Superficial branches of the femoral artery
  • Lymph vessels from superficial to deep inguinal lymph nodes
  • Great saphenous vein
  • Femoral nerve (correct)

    • Which of the following is the CORRECT statement about the relations of the structure described?

  • The femoral vein is deep to its lateral margin, the femoral artery is deep to its center, and the femoral canal lies laterally.
  • The femoral vein is deep to its center, the femoral artery is deep to its medial margin, and the femoral canal lies laterally.
  • The femoral vein is deep to its center, the femoral artery is deep to its lateral margin, and the femoral canal lies medially. (correct)
  • The femoral vein is deep to its lateral margin, the femoral artery is deep to its center, and the femoral canal lies medially.

    • Which of the following is NOT one of the three intermuscular septa mentioned in the text?

    <p>Anterior</p> Signup and view all the answers

    Which of the following is the CORRECT description of the action of the sartorius muscle?

    <p>Flexion and medial rotation of the leg</p> Signup and view all the answers

    Which of the following nerves supplies the muscles of the anterior compartment of the thigh?

    <p>Femoral nerve</p> Signup and view all the answers

    What is the primary function of the 'guy rope muscles' (SGS) in relation to the hip joint?

    <p>They steady the pelvis on the femur</p> Signup and view all the answers

    Which of the following is NOT one of the four heads that make up the Quadriceps femoris muscle?

    <p>Tensor fasciae latae</p> Signup and view all the answers

    Where does the 'straight head' of the Rectus femoris muscle originate?

    <p>AIIS</p> Signup and view all the answers

    Which part of the Vastus medialis muscle originates from the medial supracondylar line (upper half)?

    <p>The medial lip of the linea aspera</p> Signup and view all the answers

    Which head of the Quadriceps femoris muscle is the largest?

    <p>Vastus lateralis</p> Signup and view all the answers

    Where does the Articularis genu muscle insert?

    <p>Upper part of the synovial membrane of the knee joint (suprapatellar bursa)</p> Signup and view all the answers

    What is the function of the iliotibial tract?

    <p>It extends the insertion of the gluteus maximus and tensor fasciae latae to the knee, allowing for combined action on both the hip and knee joints.</p> Signup and view all the answers

    What is the shape and size of the saphenous opening?

    <p>Oval, with dimensions of 3 x 1.5 cm.</p> Signup and view all the answers

    Which of the following muscles insert into the greater trochanter of the femur?

    <p>All of the gluteal muscles except the deltoid.</p> Signup and view all the answers

    What is the purpose of the three intermuscular septa in the deep fascia of the thigh?

    <p>They separate the anterior, medial, and posterior compartments of the thigh.</p> Signup and view all the answers

    What is the function of the deep fascia of the thigh (fascia lata)?

    <p>It surrounds the thigh as a stocking-like structure to provide support and stability.</p> Signup and view all the answers

    What is the relationship between the superficial fascia of the thigh and the superficial fascia of the anterior abdominal wall?

    <p>They are continuous with each other above.</p> Signup and view all the answers

    What is the name of the single strong tendon formed by the union of the tendons of the 4 muscles at the lower part of the thigh?

    <p>Quadriceps tendon</p> Signup and view all the answers

    Which of the following muscles does NOT contribute to the quadriceps tendon?

    <p>Adductor magnus</p> Signup and view all the answers

    Where is the ligamentum patellae inserted?

    <p>Tibial tuberosity</p> Signup and view all the answers

    Which of the following structures is NOT associated with the patella?

    <p>Popliteus tendon</p> Signup and view all the answers

    What is the nerve supply of the quadriceps muscle?

    <p>Femoral nerve</p> Signup and view all the answers

    What is the main action of the quadriceps muscle?

    <p>Extension of the knee joint</p> Signup and view all the answers

    What is the primary action of the rectus femoris muscle?

    <p>Flexion of the hip joint</p> Signup and view all the answers

    What is the function of the medial vastus retinaculum?

    <p>Stabilizes the patella against lateral pull</p> Signup and view all the answers

    Which of the following is NOT an origin of the psoas major muscle?

    <p>Sacral vertebrae</p> Signup and view all the answers

    What is the insertion point of the psoas major muscle?

    <p>Lesser trochanter of the femur</p> Signup and view all the answers

    What is the nerve supply of the psoas major muscle?

    <p>L2, L3, and L4</p> Signup and view all the answers

    What is the function of the psoas fascia?

    <p>Covers the psoas major muscle</p> Signup and view all the answers

    Study Notes

    • The sharp crescentic border formed by the defined margins is known as the crescentic margin.
    • Structures piercing the roof of the cribriform fascia include various neuromuscular elements, but specific ones may not be mentioned.
    • The relations of the structure may include surrounding anatomical landmarks; it’s important to identify how these structures connect and their spatial orientation.
    • The three intermuscular septa in the thigh separate muscle groups, allowing for better function and reduced friction among them.
    • The sartorius muscle primarily functions to flex, abduct, and laterally rotate the hip joint, as well as flex the knee.
    • The femoral nerve supplies the muscles in the anterior compartment of the thigh, playing a critical role in movement.
    • 'Guy rope muscles' or SGS help stabilize the hip joint during movement, preventing excessive motion.
    • The Quadriceps femoris muscle comprises four heads; certain muscles such as the tensor fasciae latae are not part of this group.
    • The 'straight head' of the Rectus femoris muscle originates from the anterior inferior iliac spine (AIIS).
    • The upper half of the Vastus medialis originates from the medial supracondylar line.
    • The largest head of the Quadriceps femoris muscle is the rectus femoris.
    • The Articularis genu muscle inserts into the suprapatellar bursa, facilitating smooth motion of the knee.
    • The iliotibial tract primarily functions to stabilize the lateral aspect of the knee joint.
    • The saphenous opening is oval-shaped, allowing passage for structures like the great saphenous vein.
    • Muscles inserting into the greater trochanter include the gluteus medius and minimus, aiding in hip stability.
    • The three intermuscular septa within the deep fascia of the thigh create compartments for muscle organization and effective movement.
    • The deep fascia of the thigh (fascia lata) serves to enclose muscles and assist in venous return from the lower limb.
    • The superficial fascia of the thigh is continuous with the superficial fascia of the anterior abdominal wall, providing structural support.
    • The quadriceps tendon is formed by the union of the four muscle tendons at the lower part of the thigh.
    • The muscle not contributing to the quadriceps tendon includes the iliopsoas.
    • The ligamentum patellae attaches to the tibial tuberosity, providing ligamentous support to the patella.
    • Structures not associated with the patella may include certain muscle attachments and ligaments.
    • The nerve supply for the quadriceps muscle is predominantly through the femoral nerve.
    • The main action of the quadriceps muscle is to extend the knee.
    • The primary action of the rectus femoris muscle is hip flexion and knee extension.
    • The medial vastus retinaculum stabilizes the patella and assists in knee extension.
    • The origins of the psoas major muscle include the lumbar vertebrae and intervertebral discs; some erroneous origins should be clarified.
    • The insertion point of the psoas major muscle is into the lesser trochanter of the femur.
    • The psoas major muscle is supplied by the lumbar plexus.
    • The function of the psoas fascia is to support the psoas muscle while allowing for flexibility and movement.

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    Description

    Learn about the superficial and deep fascia layers of the thigh, including the composition, features, and extent. Explore topics such as the ilio-tibial tract, saphenous opening, and intermuscular septa.

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