Knochen der oberen Extremität

This video tutorial provides an overview of the bones in the upper extremity, starting with the clavicle and ending with the finger bones. It covers the clavicle's role in connecting the trunk to the arm, the scapula's mobility, and the humerus's shape. The tutorial also explains the forearm bones, radius, and ulna, and their articulation. It details the carpal bones forming the wrist and their unique names and arrangement. Finally, it describes the metacarpal bones connecting the wrist to the fingers and the structure of the finger bones, highlighting the thumb's unique composition.

What is the primary function of the clavicle in the upper extremity?

• To support the weight of the head

• To connect the trunk to the arm

• To provide attachment for the abdominal muscles

• To protect the heart and lungs

Which bone is commonly referred to as the 'musician's bone'?

• Scapula

• Humerus

• Ulna

• Radius

In anatomical position, where is the radius located in relation to the ulna?

• Lateral

• Anterior

• Medial

• Posterior

How many carpal bones form the wrist?

• 8

• 7

• 6

• 5

Which finger has only two phalanges instead of three?

• Thumb

• Index finger

• Middle finger

• Little finger