Carpal and Tarsal Bones Glossary
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Questions and Answers

What are the bones highlighted in green called?

Carpal Bones

What are the bones highlighted in red called?

Scaphoid

What are the bones highlighted in red called?

Lunate

What are the bones highlighted in red called?

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

What are the bones highlighted in red called?

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

What are the bones highlighted in red called?

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

What are the bones highlighted in red called?

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

What are the bones highlighted in red called?

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

What are the bones highlighted in red called?

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

What are the bones highlighted in green called?

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

What are the bones highlighted in green called?

<p>Phalanges of the Hand</p> Signup and view all the answers

What are the bones highlighted in blue called?

<p>Proximal Phalanges of the Hand</p> Signup and view all the answers

What are the bones highlighted in blue called?

<p>Middle Phalanges of the Hand</p> Signup and view all the answers

What are the bones highlighted in blue called?

<p>Distal Phalanges of the Hand</p> Signup and view all the answers

What are the bones highlighted in blue called?

<p>Tarsal Bones</p> Signup and view all the answers

What are the bones highlighted in green called?

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

What are the bones highlighted in pink called?

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

What are the bones highlighted in green called?

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

What are the bones highlighted in green called?

<p>Medial Cuneiform</p> Signup and view all the answers

What are the bones highlighted in green called?

<p>Intermediate Cuneiform</p> Signup and view all the answers

What are the bones highlighted in green called?

<p>Lateral Cuneiform</p> Signup and view all the answers

What are the bones highlighted in green called?

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

What are the bones highlighted in green called?

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

What are the bones highlighted in green called?

<p>Phalanges of the Foot</p> Signup and view all the answers

What are the bones highlighted in green called?

<p>Proximal Phalanges of the Foot</p> Signup and view all the answers

What are the bones highlighted in green called?

<p>Middle Phalanges of the Foot</p> Signup and view all the answers

What are the bones highlighted in red called?

<p>Distal Phalanges of the Foot</p> Signup and view all the answers

How are the phalanges of the hand numbered?

<p>Thumb to Pinky</p> Signup and view all the answers

How are the phalanges of the foot numbered?

<p>Big Toe to Pinky Toe</p> Signup and view all the answers

Study Notes

Carpal Bones

  • Comprise eight small bones in the wrist: Scaphoid, Lunate, Triquetrum, Pisiform, Trapezium, Trapezoid, Capitate, Hamate.
  • Facilitate a range of wrist movements and support hand function.

Scaphoid

  • Largest carpal bone in the proximal row.
  • Located near the base of the thumb; important for wrist stability.

Lunate

  • Positioned between scaphoid and triquetrum.
  • Has a crescent shape and contributes to wrist mobility.

Triquetrum

  • Located on the medial side of the wrist, articulates with the pisiform.
  • Provides support and aids in wrist movement.

Pisiform

  • A small, pea-shaped bone located on top of the triquetrum.
  • Functions as a pulley for tendons of the flexor carpi ulnaris.

Trapezium

  • Most lateral carpal bone in the distal row, articulates with the first metacarpal.
  • Supports the base of the thumb and facilitates thumb opposition.

Trapezoid

  • A wedge-shaped bone located medial to the trapezium.
  • Provides structural support for the second metacarpal.

Capitate

  • The largest carpal bone located in the center of the wrist.
  • Articulates with the third metacarpal; crucial for grip strength.

Hamate

  • Has a hooked shape, located on the ulnar side of the wrist.
  • Contains a prominent hook that serves as an attachment point for ligaments.

Metacarpals

  • Five long bones in the hand; numbered 1-5 from thumb (I) to pinky (V).
  • Form the skeletal framework of the palm.

Phalanges of the Hand

  • Comprise the finger bones divided into three types: proximal, middle, and distal.
  • Each finger has three phalanges; the thumb has two.

Proximal Phalanges of the Hand

  • The first segment of each finger, connecting to the metacarpals.
  • Essential for finger flexion and mobility.

Middle Phalanges of the Hand

  • Present in the fingers (not in the thumb).
  • Act to allow for finer movements of the fingers.

Distal Phalanges of the Hand

  • The tip bones of each finger, crucial for tactile sensitivity and grip.

Tarsal Bones

  • Comprise seven bones forming the ankle and back of the foot.
  • Include the Calcaneus, Talus, Navicular, and three cuneiforms, along with Cuboid.

Calcaneus

  • The heel bone, largest tarsal bone, bears weight and provides stability during walking.

Talus

  • Sits above the calcaneus and articulate with the bones of the lower leg.
  • Involved in dorsiflexion and plantarflexion of the foot.
  • Located anterior to the talus and serves as a connection point for several tarsal bones.

Medial Cuneiform

  • The first of the three cuneiform bones; located in the medial part of the foot.
  • Supports the first metatarsal.

Intermediate Cuneiform

  • The middle cuneiform, located between the medial and lateral cuneiforms.
  • Contributes to foot arch stability.

Lateral Cuneiform

  • The third cuneiform bone, located more laterally than the other two.
  • Provides support to the second and third metatarsals.

Cuboid

  • A cube-shaped bone located on the lateral side of the foot.
  • Articulates with metatarsals and supports the lateral foot arch.

Metatarsals

  • Five long bones in the foot; numbered 1-5, beginning with the big toe.
  • Form the arch and structure of the foot.

Phalanges of the Foot

  • Comprised of proximal, middle, and distal phalanges similar to the hand.
  • Important for balance and mobility.

Proximal Phalanges of the Foot

  • The first segment of each toe, connecting to the metatarsals.

Middle Phalanges of the Foot

  • Present in the toes (except in the big toe).
  • Facilitate toe manipulation.

Distal Phalanges of the Foot

  • The tip bones of each toe, aiding in balance and support.

Thumb to Pinky Numbering

  • Phalanges of the hand are numbered from the thumb (1) to pinky (5).

Big Toe to Pinky Toe Numbering

  • Phalanges of the foot are similarly numbered from the big toe (1) to pinky toe (5).

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