Thigh Anatomy Quiz: Cribriform Fascia & Articularis Genu

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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?

Anterior Signup and view all the answers

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

Flexion and medial rotation of the leg Signup and view all the answers

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

Femoral nerve Signup and view all the answers

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

They steady the pelvis on the femur Signup and view all the answers

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

Tensor fasciae latae Signup and view all the answers

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

AIIS Signup and view all the answers

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

The medial lip of the linea aspera Signup and view all the answers

Which head of the Quadriceps femoris muscle is the largest?

Vastus lateralis Signup and view all the answers

Where does the Articularis genu muscle insert?

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

What is the function of the iliotibial tract?

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. Signup and view all the answers

What is the shape and size of the saphenous opening?

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

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

All of the gluteal muscles except the deltoid. Signup and view all the answers

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

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

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

It surrounds the thigh as a stocking-like structure to provide support and stability. 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?

They are continuous with each other above. 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?

Quadriceps tendon Signup and view all the answers

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

Adductor magnus Signup and view all the answers

Where is the ligamentum patellae inserted?

Tibial tuberosity Signup and view all the answers

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

Popliteus tendon Signup and view all the answers

What is the nerve supply of the quadriceps muscle?

Femoral nerve Signup and view all the answers

What is the main action of the quadriceps muscle?

Extension of the knee joint Signup and view all the answers

What is the primary action of the rectus femoris muscle?

Flexion of the hip joint Signup and view all the answers

What is the function of the medial vastus retinaculum?

Stabilizes the patella against lateral pull Signup and view all the answers

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

Sacral vertebrae Signup and view all the answers

What is the insertion point of the psoas major muscle?

Lesser trochanter of the femur Signup and view all the answers

What is the nerve supply of the psoas major muscle?

L2, L3, and L4 Signup and view all the answers

What is the function of the psoas fascia?

Covers the psoas major muscle 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.

Anatomy of the Thigh: Superficial and Deep Fascia Layers