Answer :
Final answer:
Correct option is B) Buck's extension traction helps relieve muscle spasms and allows supported movement of the extremity.
Explanation:
B. Relieve muscle spasms
Buck's extension traction aids in relieving muscle spasms. Traction is a technique used to align fractured bones and reduce muscle spasms by applying a pulling force to the fracture site.
D. Allow supported movement of the extremity
This type of traction also allows supported movement of the extremity, aiding in patient comfort and promoting circulation.