Knochen der Hand und des Handgelenks

This tutorial explores the anatomy of the hand, focusing on the carpal, metacarpal, and finger bones, as well as the joints. It provides a detailed look at each bone's structure and function, and discusses the clinical implications of scaphoid fractures, including symptoms, diagnosis, and treatment options.

What is the total number of bones in the human hand?

• 32

• 27

• 30

• 25

Which bone is known for its boat-like shape?

• OS Lunatum

• OS Capitatum

• OS Scaphoideum

• OS Hamatum

How many metacarpal bones are there in the hand?

• 7

• 4

• 5

• 6

Which bone is not present in the thumb?

• Proximal phalanx

• Metacarpal

• Middle phalanx

• Distal phalanx

What type of movement is allowed by the wrist joint?

• Rotation

• Abduction and adduction

• Only extension

• Only flexion

What is the primary function of intercarpal joints?

• To support the thumb

• To connect carpal bones

• To allow wrist rotation

• To connect the fingers

What is a common cause of a scaphoid fracture?

• Direct hit to the hand

• Falling on an outstretched hand

• Lifting heavy objects

• Repetitive strain

Which symptom is NOT typically associated with a scaphoid fracture?

• Pain

• Numbness

• Swelling

• Bruising

What is a potential complication of an untreated scaphoid fracture?

• Tendonitis

• Carpal tunnel syndrome

• Vascular necrosis

• Arthritis

What is the typical treatment for a mild scaphoid fracture?

• Surgery

• Immobilization with a cast

• Medication

• Physical therapy