Anatomy of the Femur

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Questions and Answers

What is the longest and strongest bone in the body?

  • Radius
  • Tibia
  • Humerus
  • Femur (correct)

Which part of the femur articulates with the acetabulum of the pelvis?

  • Linea aspera
  • Medial epicondyle
  • Head of femur (correct)
  • Greater trochanter

What are the two bony projections beyond the neck of the femur?

  • Linea aspera and posterior ridge
  • Medial and lateral condyles
  • Medial and lateral epicondyles
  • Greater and Lesser trochanters (correct)

Which bone fuses to become one bone in the pelvic girdle?

<p>Three distinct bones fuse to form the pelvic girdle (A)</p> Signup and view all the answers

What type of joint is formed by the head of the femur and the acetabulum?

<p>Ball-and-socket joint (B)</p> Signup and view all the answers

Which bony ridge on the femur serves as a site for muscle insertions?

<p>Linea aspera (D)</p> Signup and view all the answers

What is the name of the incomplete, horseshoe-shaped surface along the rim of the acetabulum?

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

Which part of the pelvic girdle is joined together on the posterior half by the sacrum?

<p>Right and left halves (A)</p> Signup and view all the answers

What is the name of the ball-and-socket joint formed by the head of the femur and the acetabulum?

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

Which bone in the pelvic girdle is characterized by the presence of the greater and lesser sciatic notches?

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

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Study Notes

Bones of the Pelvic Girdle and Lower Limbs

  • The longest and strongest bone in the body is the femur.
  • The head of the femur articulates with the acetabulum of the pelvis.
  • The two bony projections beyond the neck of the femur are the greater and lesser trochanters.
  • The ilium, ischium, and pubis bones fuse to become one bone in the pelvic girdle.
  • The joint formed by the head of the femur and the acetabulum is a ball-and-socket joint.
  • The gluteal ridge on the femur serves as a site for muscle insertions.
  • The incomplete, horseshoe-shaped surface along the rim of the acetabulum is called the lunate surface.
  • The posterior half of the pelvic girdle is joined together by the sacrum.
  • The ball-and-socket joint formed by the head of the femur and the acetabulum is called the hip joint.
  • The ischium bone in the pelvic girdle is characterized by the presence of the greater and lesser sciatic notches.

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