Bones and Joints of Upper Limb Anatomy
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Questions and Answers

True or false: The scapula extends between the 1st to 6th ribs?

False

True or false: The clavicle has two ends: medial and lateral?

True

True or false: The glenoid cavity of the scapula forms the socket of the hip joint?

False

True or false: The scapula has three processes: spine, acromion, and coracoid?

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

True or false: Most scapula fractures involve the protruding subcutaneous coracoid?

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

True or false: The clavicle is commonly fractured in adults due to its strong ligaments?

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

True or false: The long thoracic nerve injury can cause winged scapula due to the paralysis of the serratus anterior muscle?

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

True or false: The medial fragment of the clavicle drops after a fracture due to the weight of the upper limb?

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

True or false: The scapula resembles in size, shape, and direction a bent finger pointing to the knee?

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

True or false: The inferior border of the scapula is the thickest part of the bone?

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

True or false: The pectoral girdle is formed by the scapula and clavicle?

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

True or false: The clavicle has a medullary cavity?

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

True or false: The clavicle serves as a rigid support for the upper limb and transmits forces from the upper limb to the axial skeleton?

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

True or false: The scapula is subcutaneous throughout its length?

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

True or false: The scapula extends between the 1st to 6th ribs?

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

True or false: The carpal bones are part of the upper limb?

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

What is the longest bone in the body?

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

Which bone articulates with the acetabulum of the hip bone to form the hip joint?

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

Which part of the femur connects the head to the shaft?

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

What passes along the ligament of the head of femur to supply the head of femur?

<p>Obturator artery</p> Signup and view all the answers

What is the thickest part of the inferior border of the scapula called?

<p>Subscapular fossa</p> Signup and view all the answers

Which nerve injury can cause winged scapula due to paralysis of the serratus anterior muscle?

<p>Long thoracic nerve</p> Signup and view all the answers

Which bone is the largest sesamoid bone located in front of the knee joint?

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

Which bone takes no part in the articulation of the knee joint?

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

Which bone has a groove on its posterior surface for the semimembranosus muscle?

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

Which bone has processes called medial and lateral epicondyles?

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

Which bone's upper end is larger than the lower end?

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

Which bone's head articulates with the lateral condyle of the tibia?

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

Which bone has an upper smooth part that gives attachment to ligamentum patellae?

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

Which bone has 3 surfaces: anterior, medial, and lateral?

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

On which bone is the quadrate tubercle located?

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

On which bone does the intercondylar notch or fossa separate the lateral and medial condyles?

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

Study Notes

Scapula and Clavicle Facts

  • The scapula does not extend between the 1st to 6th ribs; it actually spans from the 2nd to 7th ribs.
  • The clavicle has two ends: a medial (sternal) end and a lateral (acromial) end.
  • The glenoid cavity of the scapula is the socket for the shoulder joint, not the hip joint.
  • The scapula features three processes: the spine, acromion, and coracoid.
  • Most scapula fractures do not typically involve the coracoid process; the shoulder blade's more significant fractures occur due to trauma.
  • The clavicle is commonly fractured in adults due to its exposure and role in connecting the arm to the body.
  • Injury to the long thoracic nerve can lead to winged scapula due to paralysis of the serratus anterior muscle.
  • After a clavicle fracture, the medial fragment may drop due to the weight of the upper limb.
  • The scapula resembles a bent finger pointing towards the knee in size, shape, and direction.
  • The inferior border of the scapula is not the thickest part of the bone; the body of the scapula is more robust.
  • The pectoral girdle is indeed formed by the scapula and clavicle working together.
  • The clavicle does not have a medullary cavity; it is a solid bone.
  • The clavicle acts as a rigid support for the upper limb and helps transmit forces from the upper limb to the axial skeleton.
  • The scapula is not subcutaneous throughout its length; only certain areas are subcutaneous, mainly around the acromion.

Bones of the Upper Limb and Knee Facts

  • The carpal bones are integral parts of the upper limb, forming the wrist structure.
  • The longest bone in the body is the femur, located in the thigh.
  • The femur articulates with the acetabulum of the hip bone to form the hip joint.
  • The neck of the femur connects the head to the shaft and is crucial in joint mechanics.
  • The artery that supplies the head of the femur passes along the ligament of the head of the femur.
  • The thickest part of the inferior border of the scapula is called the inferior angle.
  • Injury to the long thoracic nerve can lead to winged scapula due to paralysis of the serratus anterior.
  • The patella is the largest sesamoid bone found in front of the knee joint, aiding in knee function.
  • The fibula takes no part in the articulation of the knee joint; its primary function is to provide stability to the ankle.
  • The femur has a groove on its posterior surface for the semimembranosus muscle, facilitating muscular function.
  • The femur features processes known as medial and lateral epicondyles for muscle attachment and stability.
  • The upper end of the femur is larger than the lower end, allowing for better articulation with the acetabulum.
  • The head of the fibula articulates with the lateral condyle of the tibia, contributing to knee structure.
  • The tibia has an upper smooth surface that provides attachment to the ligamentum patellae.
  • The tibia has three surfaces: anterior, medial, and lateral, crucial for muscle attachment and movement.
  • The quadrate tubercle is located on the femur, serving as an attachment point for muscles.
  • The femur's intercondylar notch or fossa separates the lateral and medial condyles, essential for joint movement.

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Description

Test your knowledge about the bones and joints of the upper limb with this quiz. Learn to list, identify, and differentiate between different bones, as well as identify the joints and articulations between them.

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