18 Questions
What type of joint is the distal radio-ulnar joint?
Synovial pivot joint
What is the function of the ligaments in the distal radio-ulnar joint?
To strengthen the joint capsule
What is the purpose of the articular disc in the distal radio-ulnar joint?
To separate the ulna and distal radioulnar joint from the wrist joint
What is the function of the capsule in the distal radio-ulnar joint?
To enclose the joint and provide additional support
What is the significance of the synovial membrane in the distal radio-ulnar joint?
It lines the joint capsule
What is the relation of the articular disc in the distal radio-ulnar joint?
It is attached to the lateral side of the styloid process
What type of joint is the Carpo-metacarpal joint of the thumb?
Synovial saddle joint
What type of movement occurs at the Carpo-metacarpal and Intermetacarpal joints?
Gliding
Which muscle assists in the movement of abduction at the Metacarpophalangeal joint?
Abductor pollicis brevis
What ligaments support the Carpo-metacarpal and Intermetacarpal joints?
All of the above
What movement occurs at the Interphalangeal joint of the thumb?
Extension and Flexion
Which muscle is responsible for opposition at the Metacarpophalangeal joint?
Opponens pollicis
What type of joints are the Metacarpophalangeal joints?
Synovial condyloid joints
What is the function of the deep transverse metacarpal ligaments?
To hold the heads of metacarpals together
Which muscle is responsible for flexion of the thumb?
Flexor pollicis longus
What type of joints are the Interphalangeal joints?
Synovial hinge joints
Which muscle is responsible for extension of the index finger?
Extensor indicis
What is a common complication of a scaphoid fracture?
Avascular necrosis of the proximal scaphoid
This quiz covers the structure and function of the intercarpal joints, including the articulation, ligaments, and movements of the proximal and distal rows of carpals. Learn about the synovial plane joints and their importance in hand positioning. Test your knowledge of the anatomy of the carpal joints!
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