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Anatomy & Physiology: Bones of the Hands and Feet

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  • How many carpal bones are in each wrist?
    There are 8 carpal bones in each wrist.
  • Name the carpal bones in the proximal row from lateral to medial.
    The proximal row carpal bones are Scaphoid, Lunate, Triquetrum, Pisiform.
  • Name the carpal bones in the distal row from lateral to medial.
    The distal row carpal bones are Trapezium, Trapezoid, Capitate, Hamate.
  • How many metacarpals are in the hand and how are they numbered?
    There are 5 metacarpals, numbered I to V from the thumb (I) to the pinky (V).
  • How many phalanges does each finger have?
    Each finger has 3 phalanges: proximal, middle, and distal.
  • How many phalanges does the thumb have and which ones?
    The thumb has 2 phalanges: proximal and distal (no middle phalanx).
  • How many tarsal bones are in each foot?
    There are 7 tarsal bones in each foot.
  • Name the 7 tarsal bones.
    The tarsals are Talus, Calcaneus, Navicular, Medial cuneiform, Intermediate cuneiform, Lateral cuneiform, Cuboid.
  • Which tarsal bone articulates with the tibia and fibula?
    The Talus is the ankle bone that articulates with the tibia and fibula.
  • Which tarsal bone is known as the heel bone?
    The Calcaneus is the heel bone.
  • How many metatarsals are in the foot and how are they numbered?
    There are 5 metatarsals, numbered I to V from the big toe (I) to the little toe (V).
  • How many phalanges does each toe have?
    Each toe has 3 phalanges: proximal, middle, and distal.
  • How many phalanges does the big toe have and which ones?
    The big toe (hallux) has 2 phalanges: proximal and distal (no middle phalanx).
  • What is another name for the big toe?
    The big toe is also called the hallux.
  • What is another name for the thumb?
    The thumb is also called the pollex.
  • What is special about the phalanges of the thumb and big toe?
    Both the thumb and big toe have only 2 phalanges (proximal and distal), lacking a middle phalanx.