Quiz for:
Hand Muscle Interaction Mechanisms

Question 1

Which muscles interact on the radial side of the extensor hood?

Question 2

Which position is used to stretch intrinsic muscles?

Question 3

What joint movements do the intrinsic muscles facilitate when they contract?

Question 4

Which muscles primarily aid in extending IP joints?

Question 5

What are the two main parts that the extensor tendon splits into after passing the MCP joint?

Question 6

Where do the intrinsic muscles originate from?

Question 7

Why is understanding the extensor tendon mechanism important for therapy?

Question 8

Why are the extensor tendons stronger at the MCP joint?

Question 9

What results from the absence of intrinsic muscle activity?

Question 10

What position is described by MCP flexion and IP extension?

Question 11

What happens to the line of pull of the lumbricals and interossei during MCP flexion?

Question 12

What role do palmar and dorsal interossei play in conjunction with the lumbrical muscles?

Question 13

What aspect of the extensor tendon mechanism helps in extending the MCP joint?

Question 14

What hand position results when intrinsic muscles are weakened?

Question 15

What is the primary function of intrinsic muscles in hand movement?