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Questions and Answers
Which group of muscles is responsible for the movement of the thumb?
Which ligament attaches from the styloid process of ulna to the triquetral and pisiform bones?
Which muscles form the hypothenar eminence?
Which ligament attaches from the anterior surface of the lower radius to the anterior surface of lunate and triquetral bones?
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Which type of joint is the wrist joint?
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Study Notes
Muscles of the Thumb
- The thenar muscles are responsible for the movement of the thumb.
Ligaments of the Wrist
- The volar radiotriquetral ligament attaches from the anterior surface of the lower radius to the anterior surface of lunate and triquetral bones.
- The pisohamate ligament attaches from the styloid process of ulna to the triquetral and pisiform bones.
Muscles of the Hand
- The hypothenar muscles, including the abductor digiti minimi, flexor digiti minimi, and opponens digiti minimi, form the hypothenar eminence.
Joints of the Wrist
- The wrist joint is a synovial joint.
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Description
Test your knowledge of the muscles and joints of the forearm and hand, including the elbow joint, radio-ulnar joint, wrist joint, and joints of the hand. Identify the muscles in the thenar group and hypothenar group, as well as their functions and locations.
