CHAPTER 18 : The Joints of the wrist , hand and fingers

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Compartments and fascial spaces of the hand


These allow mobility but offer little resistance to infection.

They are bounded by connective tissue.
The spaces include

  • Dorsal spaces
  • Hypothenar space
  • Midpalmar space
  • Thenar space
  • Web spaces
  • Pulp spaces

The mid palmar space lies between the palmar aponeurosis anteriorly and palmar interossei and metacarpals posteriorly. It contains the flexor tendons, lumbricals, superficial arterial arch, nerves and vessels

The thenar space contains flexor pollicis longus, flexor indicis, 1st lumbrical and digital nerves to pollex and index.
What are the boundaries of the thenar space?