Adaptative features of the hand

• Mobility of the thumb
  
  
• Opposability of pollex
  
  
• Elongated digits
  
  
• Palmar creases
  
  
• Palmar aponeurosis
  
  
• Small motor units
  
  
• Dense sensory innervation
  
  
• Cerebral representation of hand in cortex
  
  
• Presence of nails
  
  
• Freely movable hand
  
  
• Wide range of pronation and supination