Musculi interossei dorsales

The video tutorial explores the anatomy and function of the hand, focusing on the Interossei Dorsales muscles. It describes their structure, insertion points, and functions, including abduction and flexion of fingers. The tutorial also covers the innervation by the ulnar nerve and the resulting movements of the fingers.

What is the primary similarity between the muscles on the back of the hand and those on the back of the foot?

• They are both innervated by the same nerve.

• They are both located in the same region.

• They share a similar function.

• They have the same number of muscles.

How many heads does each Interossei Dorsales muscle have?

• Four

• Three

• Two

• One

Which muscle is the largest among the Interossei Dorsales group?

• The second muscle

• The fourth muscle

• The third muscle

• The first muscle

What is the primary function of the Interossei Dorsales muscles?

• Rotation of the thumb

• Extension of the elbow

• Abduction of the fingers

• Flexion of the wrist

Which nerve innervates the Interossei Dorsales muscles?

• Ulnar nerve

• Median nerve

• Radial nerve

• Musculocutaneous nerve