Femur Injuries Quiz
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Questions and Answers

What is the primary cause of femoral head fracture?

  • Posterior dislocation of hip joint (correct)
  • Dislocation of knee joint
  • Anterior dislocation of hip joint
  • Dislocation of shoulder joint

What leads to avascular necrosis of the femoral head?

  • Dislocation of the patella
  • Damage to retinacular arteries (correct)
  • Damage to femoral shaft
  • Injury to ligamentum teres

Which type of fracture occurs inside the capsule of the hip joint?

  • Subtrochanteric fracture
  • Subcapital fracture (correct)
  • Intertrochanteric fracture
  • Trans-cervical fracture

What is the distinguishing feature of a subtrochanteric fracture?

<p>Occurs at area 5cm distal to the lesser trochanter (C)</p> Signup and view all the answers

Which muscle groups contribute to producing shortening and lateral rotation of the leg in femoral fractures?

<p>Hamstring muscles (C)</p> Signup and view all the answers

What type of femoral shaft fracture is characterized by a fracture line encircling the shaft like the stripes on a candy cane?

<p>Spiral fracture (D)</p> Signup and view all the answers

What type of fracture is a Pillion fracture?

<p>I shaped fracture with displacement of the condyles (A)</p> Signup and view all the answers

What causes a transverse patellar fracture according to the text?

<p>Quadriceps muscle contraction (A)</p> Signup and view all the answers

What muscle group is responsible for pulling the proximal fragment in a femoral shaft fracture?

<p>Quadriceps and hamstrings (D)</p> Signup and view all the answers

What is the cause of foot drop as described in the text?

<p>Damage to the common peroneal nerve due to fibula fracture (A)</p> Signup and view all the answers

What is a common term used for a fracture involving the 2nd, 3rd, 4th, and 5th metatarsal bones?

<p>March fracture (D)</p> Signup and view all the answers

Which bone is mentioned to be devoid of any muscular attachment in the text?

<p>Talus (B)</p> Signup and view all the answers

Study Notes

Femoral Head Fracture

  • Trauma is the primary cause of femoral head fracture.

Avascular Necrosis

  • Interruption of blood supply leads to avascular necrosis of the femoral head.

Intrap Capsular Fracture

  • Fracture that occurs inside the capsule of the hip joint is called an intracapsular fracture.

Subtrochanteric Fracture

  • The distinguishing feature of a subtrochanteric fracture is that it occurs in the proximal femoral shaft, within 5 cm of the lesser trochanter.

Muscle Groups in Femoral Fractures

  • The gluteus medius and minimus muscle groups contribute to producing shortening and lateral rotation of the leg in femoral fractures.

Spiral Fracture

  • A spiral fracture of the femoral shaft is characterized by a fracture line encircling the shaft like the stripes on a candy cane.

Pillion Fracture

  • A Pillion fracture is a type of fracture that involves the medial wall of the acetabulum.

Transverse Patellar Fracture

  • A transverse patellar fracture is caused by a forceful quadriceps contraction with the foot planted on the ground.

Femoral Shaft Fracture

  • The iliacus muscle group is responsible for pulling the proximal fragment in a femoral shaft fracture.

Foot Drop

  • Foot drop is caused by damage to the common peroneal nerve.

Metatarsal Fracture

  • A fracture involving the 2nd, 3rd, 4th, and 5th metatarsal bones is commonly referred to as a Lisfranc fracture.

Muscular Attachment

  • The iliac bone is devoid of any muscular attachment.

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Description

Test your knowledge on femur injuries such as femoral head fracture and avascular necrosis. Learn about the causes, symptoms, and treatment options for these conditions.

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