Anatomy of the Forearm and Hand Quiz

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Questions and Answers

Which group of muscles is responsible for forming the thenar eminence in the hand?

  • Adductor pollicis
  • Medial group
  • Intermediate group
  • Lateral group (correct)

What type of joint is the wrist joint?

  • Triaxial
  • Non-synovial
  • Uniaxial
  • Biaxial (correct)

Which muscle forms the hypothenar eminence by lying inside and laterally?

  • Opponens digiti minimi
  • Abductor digiti minimi
  • Palmaris brevis
  • Flexor digiti minimi (correct)

Which ligament attaches from the styloid process of the radius to the scaphoid and trapezium?

<p>Lateral (radial) collateral ligament (A)</p> Signup and view all the answers

Which group of muscles in the hand includes the lumbricals and interossei muscles?

<p>Intermediate group (C)</p> Signup and view all the answers

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Study Notes

Muscles of the Hand

  • The thenar eminence in the hand is formed by the thenar muscles.

Joints of the Hand

  • The wrist joint is a condyloid joint.

Hypothenar Eminence

  • The hypothenar eminence is formed by the abductor digiti minimi muscle, which lies inside and laterally.

Ligaments of the Wrist

  • The volar radioscaphocapitate ligament attaches from the styloid process of the radius to the scaphoid and trapezium bones.

Intrinsic Muscles of the Hand

  • The intrinsic muscles of the hand include the lumbricals and interossei muscles.

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