Hand topography - Thenar eminence

The exercise was created 2025-08-15 by modigamodi. Question count: 13.

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  • Thenar eminence a muscular bulge on the lateral side of the palm
  • Thenar eminence muscles Abductor pollicis brevis, flexor pollicis brevis, opponens pollicis
  • Abductor pollicis brevis action abducts the thumb
  • Flexor pollicis brevis action flexes the thumb at metacarpophalangeal joint
  • Opponens pollicis action Opposes the thumb
  • Abductor pollicis Brevis origin trapezium bone
  • Fleoxor pollicis brevis origin trapezium bone
  • opponens pollicis origin trapezium bone
  • Abductor pollicis brevis insertion proximal phalanx of thumb
  • Flexor pollicis brevis insertion lateral side of base of proximal phalanx of thumb
  • opponens pollicis insertion lateral side of 1st metacarpal bone
  • Innervation Recurrent branch of Median N
  • Blood supply Superficial palmar arch + princeps pollicis A

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